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Q1: MEEN 3210 MEASUREMENTS LABORATORY Spring 2023 Instructions and Samples for Technical Report The grade sheet must be attached to the front of each written laboratory report. The sample report cover sheet and grade sheets are included in this document. The report will be graded on two parts: technical content, and writing style and format. Report Sections Grade Sheet: See Sample Cover Sheet: Abstract: Table of Content: Nomenclature: Introduction: Objectives: Apparatus: Theory: (if needed) Results: Discussion: Conclusions: Citations: Appendix: Format and Style See Sample 200-300 words, no citation, no detail results Each Section and corresponding page number, no leading character for page number Symbols and units, Alphabetical (Upper, then lower), Greek, Sub and Super-scripts Brief description of the lab, problem statement List the main objectives of the lab List/Tabulate the equipments and instruments used for the lab Gives a short summary of theory and equations used Raw data collected during the lab, sample calculation (in Appendix), final results Discuss the results in terms of accuracy, agreement with theory, achievement of objectives, experimental errors final thoughts on experiments and results, recommendations for improvements Use the style in the textbook. Sample calculation Write in third person past tense, and present tense. Use a standard font and font size, e.g. Times New Roman 11 points. Check spelling and grammar, usage of words, repetition, redundancy, etc. Arrange sections to improve readability. Include page numbers. Number each equation and define the symbols in Nomenclature. Caption tables and label figures. Label each axis clearly in a figure and include unit of the variables. Include Legends in graphs if there is more than one data set. Show only data points, unless there is a trend line (least-square-fit) involved. If the trend line is used, include the goodness of fit measure (R or R²) and the regression equation of the line. SAMPLE GRADE SHEET FOR A LAB REPORT MEEN 3210 MEASUREMENTS LABORATORY SPRING 2023 Grade Sheet Name: John Doe Lab No. and Title: Laboratory 4 Strain Measurement Content (70%) Abstract Table of Contents Nomenclature Introduction Objectives Experimental Apparatus Results Raw Data Sheet Sample Calculation Final Results Points Allocated Point Received 10 10 1555i5 Discussion Conclusion 10 55595 Format and Style (30%) Heading, Citations, Readability 10 Grammar, Usage 10 Tables/Figures 10 100 TOTAL Instructor's Comment: SAMPLE COVER SHEET FOR A LAB REPORT MEEN 3210 Measurements Laboratory Department of Mechanical Engineering Lab 4 Strain Measurement Laboratory John Doe Date of Experiment: 02/--/2023 Date of Submission: 02/--/2023/nTable 1: Dimensions of the Beams Dimensions (unit) Steel Beam Material Aluminum Brass Width in Tin Lin Length Height Location of a strain 15.8 10.75 in 21.8 Convert 403 P.25 0.125 0.2 S gauge from an open end 9.06 in 5.5 in 11.25 in Table 2: Strain Measurements of Three Beams Brass Steel Nico Aluminum Weight Strain Weight Strain Weight Strain (unit) (E) X/9 (unit) (με) Χιο (unit) (H) x/ 500 gm 31 100 gm 50 200 gm 46 1000 gm 69 200 gm 100 400 gm 90 1500 gm 2000 gm 2500 gm 300 gm 151 600 gm 133 136 400 gm 201 800 gm 176 174 500 gm 252 1000 gm 225 Table 3: Comparison of Experimental and Theoretical Stress Values Material Stress from the book do calelution no Result Experimental Theoretical (unit) (unit) Error (unit) Error (%) Aluminum from the Steel Brass Table 4: Comparison of Experimental and Textbook Values of Modulus of Elasticity Material for each material Modulus of Elasticity Experimental (unit) Aluminum Eeel ass Result Textbook Error book Error (%) (unit) (unit) ba/nProcedure 1. Select the beam to be used and record the strain gage factor for future reference. 2. Measure the dimensions of the beam and record data in Table 6. 3. Place the beam onto the support bars and level it. 4. Connect the strain gage wires to the P3500 strain gage indicator and calibrate the indicator as shown on the inside of the lid of the indicator unit. 5. Apply the weights at the designated distance (mid-point of the beam) and record data (strain and deflection) in Table 7. 6. Compare the measured values of defection with the theoretical values obtained using Eq. (7). I of incre در calcate Sthin σε Mc I PL³ d = 48EL is lood Eq. (7) Strain Jraph 7. Discuss the differences between theoretical and experimental results. Possible discussions: Does experimental and theoretical values of deflection agree with each other? What are the sources of errors? Table 6: Dimensions of the Beams Dimensions (unit) Width Beam Material Steel 34 in Length Height 34 in 0.25 in defection 61 Location of a strain gauge Table 7: Strain and Deflection Measurements for the Beam 0.001 Load (in lb) Load (in gm) Strain Deflection 61-49 (unit) 2 0907.18 gm 16 12 in 4 1814.37 gm 33 26 6 2721.55 gm 50 40 8 3628.74 gm 67 54 Table 8: Comparison of Experimental and Theoretical Deflection Values Material Load (unit) Deflection (unit) Experimental Theoretical Steel from text book grap/n MEEN 3210 MEASUREMENTS STRAIN MEASUREMENT LABORATORY Robert Benton and Kendrick Aung Introduction Experimental determination of stress is important when designing components with complex geometry and/or loading. To verify a given design, nondestructive tests of a prototype may be performed using strain gages. Once strain is determined experimentally, the stress may be calculated using the stress-strain relationship for the material. Although there are various failure theories for the ductile and brittle materials subjected to static and dynamic loads, each of these theories predicts failure when the stress in a given material exceeds various predetermined values. As such, stress is a major consideration in design of mechanical components. Analytical methods exist for relatively simple and common geometric cases such as shafts, beams, and cylinders. However for cases with stress concentration or other complex geometry, these analytical methods are not accurate. Numerical methods such as finite element analysis (FEA) may be applied in such cases. However, finding the appropriate FEA model (or mesh) for a given situation can be more of an art than an exact science. As such, strain measurements should be used to verify stresses in physical prototypes of the design. Strain Measurement Three common tools are available for experimental determination of stress and strain, namely, photoelasticity, stress coat application, and strain gage application. Photoelasticity Although photoelasticity is most easily applied in cases of two-dimensional components, techniques also exist for more complex geometry. When polarized light is passed through a transparent material, visible bands appear as contour lines within the material to indicate the level of stress in the material. This is because the speed of light in the medium is a function of stress. Determination of stress using photoelasticity requires relatively expensive equipment when compared to the methods described below. In addition, prototypes of the part must be prepared especially for photoelastic measurement. Stress Coat Application The application of a stress coat is a fairly simple concept for which students should have an intuitive sense. A stress coat is used to determine the principal stress directions by observation. A brittle lacquer is applied to the surface of the prototype (note: the stress coat is applied in liquid form and allowed to dry). Because the coating is brittle, the coating will crack perpendicular to the direction of maximum tensile stress (maximum principal stress). Strain Gage Application Strain gages may be applied to any free surface of a prototype component. In many cases, the component may be tested in service with the strain gages applied. The main limitations include environmental limitations required to avoid corrosion motion limitations due to the requirement that wire leads be connected between the strain gages and measurement instruments (for example, rotating components would present a challenge). In these cases, service conditions should be simulated on the prototype during strain gage experiments. Strain gage measurements are based on small changes in resistance of the gage when strained. As such, a bridge circuit is employed to measure change in resistance. Although the bridge can be cheaply constructed from scratch using precision resistors, specialized bridge-balancing units and strain indicators are most often used in practice to ensure precise measurements. Specialized analog-to-digital- conversion (AD) cards may also be purchased with built-in bridge circuits for dynamic strain gage measurement and data logging via personal computer (PC). Because strain gage resistance and prototype/gage strain are functions of temperature, temperature is an important consideration in strain gage application. If used to determine stress, the thermal growth in the component should not be measured by the strain-gage bridge circuit. Bridges with more than one strain gage leg may be used to aid in temperature compensation. In addition, self-temperature compensation gages are commonly available for application with steel and aluminum alloys (designated 06 and 13, respectively). Resistors in the bridge will also change resistance with temperature. Once the gage system is connected, temperature tests can be performed to determine error due to temperature in the measurement system. During any experiment where environmental factors may affect the results, temperature variation and other environmental conditions should be recorded along with strain measurements for future analysis. Theory The resistance in a wire in Equation (1) PL R = Eq. (1) where p is the wire material's resistivity, L is the wire's length, and A is the wire's cross sectional area. When a strain is placed on the wire, its resistance changes due to changes in resistivity, length, and cross-sectional area. As a result, measurement of the wire's resistance can be used to indicate strain. A strain gage is a specially designed metallic element that is very sensitive to strain in a given direction (see discussion and figures in [1], [2], and [3]). Strain gage application procedures are described on pages 17-23 of [1], which should be read at this time. Once the gage is applied and connection wires have been made, the gage must be placed in a bridge circuit in order to measure changes in the gage's resistance (see page 24 of [1]). For this lab, specially designed strain gage instruments described in [1] will be used to implement the bridge circuits. Often, specially oriented sets of strain gage “rosettes” are applied to measure strain in various directions at a single location (see pages 31 and 32 of [1] for examples of various strain gages and strain gage rosettes). Juvinal [3] gives equations necessary to find principal strains from measured strains in chapter 5. Objectives The main objectives of the laboratory are: 1. To familiarize students with industry standard strain measurement techniques 2. To determine Modulus of Elasticity of three materials using a cantilever beam 3. To compare experimental and theoretical values of Modulus of Elasticity 4. To compare experimental and theoretical deflection values Experiment 1: Application of a Strain Gage on a beam Required Equipment and Supplies Bulletin 309D: Student Manual for Strain Gage Technology [1] Student Strain Gage Application Kit " ◉ Sandpaper Degreaser ◉ M-Prep Conditioner A " M-Prep Neutralizer 5A Gauze and Cotton Swabs • ◉ Cellophane tape M-Bond 200 Kit M-Coat A Leadwire Drafting tape Soldering Station with Soldering Supplies Student Strain Gage Practice Patterns and Student Strain Gages Steel or Aluminum Bar Stock Procedure 1. Select a piece of steel or aluminum bar stock. 2. Prepare the surface of the bar stock as described on pages 18 and 19 of [1]. 3. Obtain a student strain gage practice pattern from the instructor and practice the strain gage application procedure described on pages 20 and 21. Special care should be taken to replace the caps on all chemicals to avoid spillage or evaporation. 4. Repeat steps 2 and 3 until the practice pattern in successfully applied to the bar stock surface. 5. Obtain a student strain gage from the instructor and repeat the procedures described on pages 18-21. STRAIN GAUGE LT-1 CSM-1 Figure 1 Materials and Soldering Station for Strain Gage Mounting Possible discussions: Why is the cleaning process before mounting the strain gage important? Experiment 2: Strain Measurement and Application Required Equipment and Supplies • Model P-3500 Portable Digital Strain Indicator Connecting wires Beam with Strain Gage Calipers and/or Ruler Test Weights Procedure 1. Select a beam with strain gage (record the strain gage resistance and gage factor for future reference). 2. Clamp the beam to the table or place the beam in a vice. Note that care should be taken to clamp the beam far enough from the strain gage to minimize the strain induced by the clamping forces. Recall that the vice forces may induce strain due to the effects of Poisson's ratio. 3. Measure the dimensions of the beam required to calculate the stress at the location of the strain gage. Record data in Table 1. 4. Connect the wires to the P-3500 Portable Digital Strain Indicator as indicated inside the lid of the Indicator unit. 5. Use the procedure inside the lid of the P-3500 unit to set the appropriate gage factor for the strain gage(s). 6. With no weight attached to the beam, use the procedure inside the lid of the P-3500 unit to balance the bridge circuit. To avoid unnecessary wear on the equipment, please unlock the balance control knobs before attempting to adjust the knob positions. 7. Once the bridge is balanced, lock the balance control knob on the P-3500 unit and do not attempt to adjust the knob for the remainder of the lab period. 8. Apply weights supplied by instructor to the beam made of steel and record the strain for each weight. Record data in Table 2. 9. Repeat the measurements in step 8 using the beam made of Plexiglas. Record the measured data in Table 2. C 000 Figure 2 An Experimental Setup for Measuring Strain Results and Discussions Result I: Comparison of Stress Using the Published Value of Young's Modulus 1. Use the stress strain relationship (Hooke's law) to calculate the experimental stress (σexp) using the measured strain and Young's Modulus of the beam material from the Machine Design text book. σ = E. exp text * E exp Eq. (2) where, σexp is the experimental stress, Etext is the value of modulus of elasticity from the textbook and Ɛexp is the experimental strain.See Answer
Q2: Name: Lab No and Title: Date and time of lab: MEEN 3210 MEASUREMENTS LABORATORY Spring 2023 Grading Sheet John Doe Laboratory 1 - Solar Lab Monday, Jan 24th at 9.10 AM Points Allocated Point Received Technical Content (40%) Introduction Theory (with references) Results 55 Collected Data Tables 5 Final Results (10) Tables Figures Discussions Appendix 550 10 Sample Calculations Writing, Format, and Style (10%) Spelling, Grammar, Word Usage Readability, font, format, white space Tables (title, column headings, units, etc.) Figures (captions, labels, units, etc.) Overall arrangement TOTAL Instructor's Comments: 5 22222 50 50 1 Date: To: From: 01/29/2019 Dr. Ajit Patki John Doe Subject: - Lab 1 Solar Lab Introduction: Theory: MEMORANDUM 2 Results: Table 1: (name for the table) Table 2: (if any) --Explanation/information about tables or upcoming figures 3 Figures or graphs (if any) Name Figure 1, Figure 2 etc · Explanation/information for figures and tables + More figures or graphs or tables (if any) Explanation for figures and tables 5/n TEMPERATURE MEASUREMENT LABORATORY Temperature, like pressure, is a fundamental property that is very common in many engineering applications. This lab introduces different types of temperature sensors and their calibration. Objectives The main objectives of the laboratory are: (1) To familiarize students with different temperature measurement devices such as thermocouples, RTDs, thermistors, thermometers, and infrared thermometers (2) (3) To calibrate an infrared thermometer using a portable calibrator To calibrate a type J thermocouple using a liquid bath and a dry block Experiments Experiment 1: Temperature measurement devices This experiment is to familiarize the students with different types of temperature measuring instruments, thermometers, thermocouples, RTD, thermistors, and a radiation pyrometer. Record the specifications of these temperature measuring instruments in a table. Experiment 2: Calibration of an Infrared Thermometer In this experiment, the students will calibrate three infrared thermometers using a 3-point calibrator. The calibrator is a blackbody surface with emissivity of 0.95. The calibrator has three set temperatures: 50, 100 and 150 °C. A calibration curve for each thermometer needs to be generated and plotted. TH CELARR Figure 1 Experiment Setup of Calibration of an Infrared Thermometer Table 1 Raw Data Sheet for Calibration of an Infrared Thermometer Set Temperature (°C) Infrared Thermometer (°C) OMEGA CEN-TECH DWYER 50 100 49.5 49.8 50 98.1 102.6 101 150 147 154.3 152 Possible discussions: Discuss the nature of the calibration curve (whether it is linear, parabola, exponential). Compare the accuracy of the three thermometers. What are the possible sources of errors associated with the experiment? Experiment 3: Calibration of a type J thermocouple In this experiment, the students will calibrate a type J thermocouple using two calibrators: a liquid bath and a dry block. THERMOCOUPLE CALIBRATION 0001 34 at SC Figure 1 Experimental Setup of Calibration of a J-type Thermocouple A liquid bath has a digital temperature controller that controls and maintains the temperature of the liquid inside the bath. Using the temperature of the liquid, a type-J thermocouple is calibrated in this experiment. The output of the thermocouple is read by a 5-digita digital multi-meter. In order to determine the temperature of the surroundings, a separate thermocouple is used. To calibrate the thermocouple, the room temperature must be taken into account as the output of the thermocouple is the voltage corresponding to the difference in temperature between the surroundings and the bath. Find the equivalent voltage for the room temperature from the thermocouple data for a J-type thermocouple. Add the voltage to the output of the thermocouple and fill the table below. Convert the voltage into temperature using the standard thermocouple table for a J-type thermocouple. Compare with the bath temperature and plot a calibration curve for the thermocouple. Discuss the nature of the calibration curve and errors associated with the thermocouple. Liquid Bath Thermocouple Temperature Output Room Temperature Table 3 Calibration of a J-type Thermocouple Using a Liquid Bath Total voltage of the Temperature given by the thermocouple Voltage equivalent of Room Temperature sensor (C) (mV) (C) (mV) (mV) (C) 30 0.395 22 1.22 1.51 29.6 40 0.944 22 1.22 2.06 40.13 50 1.46 22 1.22 2.68 51.79 60 1.99 22 1.22 3.11 59.93 The same procedure will be repeated for a dry block calibrator. Dry block calibrators are easier and faster to use so they are more popular in field calibration. Dry block calibrator is a block that can provide a set temperature quickly. Set the dry block calibrator to a desired temperature. Insert the thermocouple and read the output of the thermocouple. Using the table, convert the thermocouple reading in volts into temperature. Compare with the set temperature. Repeat the procedure for three to five temperatures and produce a calibration curve. Dry Block Table 4 Calibration of a J-type Thermocouple Using a Dry Block Set Temperature Total voltage of the sensor Temperature given by the thermocouple Thermocouple Output Room Temperature Voltage equivalent of Room Temperature (C) (mV) (C) (mV) (mV) (C) 50 1.49 22 1.22 2.61 50.5 100 4.2 22 1.22 5.32 100.97 200 9.75 22 1.22 10.87 201.68 250 12.54 22 1.22 13.66 250.8 Possible discussions: Compare the two calibration methods and their results. Discuss on their accuracy, fast response and other aspects. Table 1: Temperature Measurement Devices Device and Model Number Liquid Bath Thermocouple Calibrator -TE 10A and TE 10D Dri-block Thermocouple Calibrator Omega - CL355A Kerosene Thermometer Bimetal Thermometer Dwyer - PIR I Temperature Range (°C and "F) -20 to 95 °C -40 to 120 °C -5 to 400 °C (782 °F) -10 to 100 °C 0 to 250 °F -20 to 315 °C 0 to 600 °F Accuracy ±2°C ±1 °C ±0.6°C Omega Infrared Thermometer - OSXL650 -32 to 538 °C Omegascope Infrared Pyrometer - OS -25 to 100 °F -30 to 1370 °C -20 to 2500 °F 2000A Affordable 3-Point infrared calibrator 50, 100, 150 °C 122, 212, 302 °F ±2% ±4 °F ±2°C ±3 °C from -32 to 20 °C +2 °C from -20 to 100 °C ±2% from 100 to 538 °C ±1%> 75 °C +1.5% +2% 100 °C 100 °C ±1 °C -9135 Digisense (J-type)-8528-30 Digisense (K-type) - 8528-40 -190 to 1000 °C -310 to 1832 °F -250 to 1375 °C -418 to 2507 °C Thermistor Thermometer - 08403-30 to 50 °C (-22 to 122 °F) Series Digital Thermometer - HH504 Fluke Thermometer 50S and 50D 0 to 100 °C (32 to 199.9 °F) -200 to 800 °C -382 to 1472 °F J-type: -200 to 760 °C (-328 to 1400 °F) K-type: -200 to 1370 °C (- 328 to 2498 °F) ±0.25% ±1°C ±0.25% ±1 °C ±0.4 °C ±1 digit ±0.75 °F +1 digit ±0.05% rdg+0.2 °C ±0.05% rdg+0.4 °F J-type: [0.1% of reading + 0.8 °C (1.4 °F)] K-type: [0.1% of reading +0.7 °C (1.3 °F)]See Answer
Q3:Question 3 What is the length of the denim according to the centimeter ruler above? 2.5 cm ± 0.5 cm 3.0 cm + 1 cm 3.0 cm ± 0.5 cm 1 pts O 3 cm + 1 cmSee Answer
Q4:Question 2 The ruler below is marked with units of centimeters. What is the position of the right side of the piece of the denim, with uncertainty? 3 4 4 5 6 7 8 cm 1 pts 6.8 cm ± 0.3 cm O 6.5 cm + 0.1 cm O 6.5 cm +0.5 cm O 6 cm + 1 cmSee Answer
Q5:Recitation Activities Lab Activities Dimensional inspection part features for dimensional conformance is a key aspect of assuring that complex geometry components meet the required dimensional specifications. For a complex part such as an automotive engine block, it is not uncommon for more than 500 features and dimensional characteristics to be inspected to fully insure dimensional conformance. In lab selected features on sand cast, investment cast, and forged parts will be measured to determine manufacturing dimensional capability and process capability. In addition, features will be measured multiple times by multiple "inspectors' to also assess measurement system repeatability and reproducibility (Gage R&R). *****These are key concepts*****Master them***** Measure the part feature size (in.) for the features indicated using hand-held digital calipers. (Use the measurement technique of your choice, but use the same measurement technique each time you measure a given feature.) Part 1 2 3 4 5 6 7 - discussion of dimensional variability, process capability, gage R&R -discussion of lab data collection and reporting 8 9 10 Comment on the ease or difficulty of measuring the feature Ave. Std. Dev. Ceramic Processing Module - IN-PERSON Lab Dimensional Conformity & Measurement System Analysis Dwg. Dimension SC-sand casting F-forging IC-investment casting F Middle- SC Middle Flange OD Operator 1 1.8125 1.8200 1.8226 1.8095 1.8225 1.8135 1-8195 1.8230 1.8185 1.8240 Boss Dia. (parallel to flash axis) IC Flange Width Operator 4 Operator 3 1.2680 0.3100 1.2665 0.3080 1.2 Cas L2635 1.2780 0. 3090 0.3070 0.3080 1.2760 0.3100 L2695 0.3080 1.2755 0.30 95 42670 0.3090 2755 0.3096 1.810 1.270 0.305 +/- 0.008 in +/-0.015 in +/- 0.005 in SC Middle Flange OD Operator 1 (repeat) 1.$165 1.8065 1.9110 1.8146 1.8190 1.8165 1.8170 1.8 140 1.8110 4.8165 1.810 +/-0.008 in SC Middle Flange OD Operator 2 1.8260 1.8205 1.8.275 1.8 110 1.8305 1.8 210 1.9 220 1.8 240 1.8 245 1.8 280 1.810 +/-0.008 in SC Middle Flange OD Operator 2 (repeat) 1.8215 1. $215 1.8275 68120 1.8330 1.8175 1.8195 1.8290 1.8195 1.8295 1.810 +/-0.008 in/nLab Report (2 pages text, single-spaced + data presentation and interpretation figures and tables) DIMENSIONAL CAPABILITY AND PROCESS CAPABILITY Calculate the average and standard deviation for each set of feature measurements. From these calculations, determine the process capability (Cp) and the process capability index (Cpk) for each set of measurements. Comment on the relative Cp and Cpk values for each process as well as the conformance of the part features to the dimensional specifications. Include figures that show the actual data with respect to the dimensional UCL and LCL If Cpk is less than 1.33 for a feature, determine the appropriate tolerance limits for which a Cpk of 1.33 is achieved (a reverse Cpk calculation). MEASUREMENT SYSTEM ANALYSIS (GAGE R&R) For the green sand flange outer diameter data, use the data collected multiple times by multiple operators to determine the repeatability and reproducibility of the calipers and to determine whether or not the gage R&R of the digital calipers is adequate (based on both customer tolerance and on process variability). Comment on the role of operator training measurement system improvements on Gage R&R. aby E(MS or n #replications, o #operators, p&#parts = ⇒0Par LIL = Measurement Error vs Uncertainty Repestability Soperater)=biy+p-n-p E(MS) Repeatablity 1% n-o 30% ⇒ operator n.p E(MSP)=biy +r.p.o Part E(MS par)-estability LL 10% 80% USSee Answer
Q6:Q2. Find the velocity and acceleration of the piston and the angular velocity and angular acceleration of link AB for the crank slider mechanism shown in figure 2. The crank OA rotates anti-clockwise at 500 rad/min with constant velocity. Point O is fixed. A B 200 mm 45° Figure 2 100 mm 600See Answer
Q7:Q1. Determine the angular velocity (0) and angular acceleration (a) of Link DC of the four bar linkage mechanism shown in figure 1. Input link AB rotates at 100 rev/min in anti-clockwise direction with uniform velocity. B 600 mm 30⁰ 400 mm 450 A Figure 1 C 300 mmSee Answer
Q8:Q4. In Fig. below the angular velocity of the crank OA is 600 r.p.s. Assume crank is rotating with constant velocity. Determine the linear velocity and acceleration of the slider D and the angular velocity and angular acceleration of the link BD, when the crank is inclined at an angle of 75° to the vertical. The dimensions of various links are: OA = 28 mm; AB = 44 mm; BC 49 mm; and BD = 46 mm. The center distance between the centers of rotation O and C is 65 mm. The path of travel of the slider is 11 mm below the fixed point C. The slider moves along a horizontal path and OC is vertical. A 75° B mmmmmmmmSee Answer
Q9:Q3. A piston, connecting rod and crank mechanism is shown in the diagram. The crank rotates at a constant velocity of 300 rad/s. Find the acceleration of the piston and the angular acceleration of the link BC. The diagram is not drawn to scale. Crank AB is rotating in clockwise direction. C Ja 25° 170 mm 600 B A 50 mmSee Answer
Q10:Q2. Find the velocity and acceleration of the piston and the angular velocity and angular acceleration of link AB for the crank slider mechanism shown in figure 2. The crank OA rotates anti-clockwise at 500 rad/min with constant velocity. Point O is fixed. A 2214 B 200 mm 45° Figure 2 100 mm 600See Answer
Q11:Q1. Determine the angular velocity (0) and angular acceleration (a) of Link DC of the four bar linkage mechanism shown in figure 1. Input link AB rotates at 100 rev/min in anti-clockwise direction with uniform velocity. B 600 mm 300 400 mm 450 A Figure 1 300 mmSee Answer
Q12:Q4. In Fig. below the angular velocity of the crank OA is 600 r.p.s. Assume crank is rotating with constant velocity. Determine the linear velocity and acceleration of the slider D and the angular velocity and angular acceleration of the link BD, when the crank is inclined at an angle of 75° to the vertical. The dimensions of various links are: OA = 28 mm; AB = 44 mm; BC 49 mm; and BD = 46 mm. The center distance between the centers of rotation O and C is 65 mm. The path of travel of the slider is 11 mm below the fixed point C. The slider moves along a horizontal path and OC is vertical. 75° B D pfmmmmmm wwwwwwwwwSee Answer
Q13:Q3. A piston, connecting rod and crank mechanism is shown in the diagram. The crank rotates at a constant velocity of 300 rad/s. Find the acceleration of the piston and the angular acceleration of the link BC. The diagram is not drawn to scale. Crank AB is rotating in clockwise direction. 4444 с 170 mm 25° 600 B 50 mmSee Answer
Q14:Q2. Find the velocity and acceleration of the piston and the angular velocity and angular acceleration of link AB for the crank slider mechanism shown in figure 2. The crank OA rotates anti-clockwise at 500 rad/min with constant velocity. Point O is fixed. A 200 mm 45° Figure 2 100 mm 60°See Answer
Q15:তাল T b তাল 140 h 7 12/n The above lifting tool is given. The geometric parameters and the coefficient of static friction ?0 between clamp and load are listed below, the weight G is arbitrary. Calculate the minimum distance x given in the sketch in the unit m(meter) at which the load can just still be lifted. 11=4,5m, 12=4,3m, b=1,7m, a=22,9⁰ μ0=0,65 Important for the calculation: The sketch is not true to scale.See Answer
Q16:Instruction Need an PPT OF 17-18 Slides plus name and question slides Student already done dissertation, make ppt based on it. Make the all slide white write the full name for my report my name and number like the report Students' desired points must be included. Write what is the main benefit from serep, sensors etc, filters What is the different between expansion and reduction?! Add the table and five mode shape from the report Add the last table for filter Add the four results from the filter What is the benefit from using serep What is the benefit from using butter worth filter Add the the table from lab experiments and ansys Add the conclusion and research recommendations Add the experiment photo from the report What is the benefit from using sensors?! And what is the benefit from using sensors?! Don't make it a lot of word it should pictures and word Where is finite elements designed ?! And structures picSee Answer
Q17:Need to write how we read Hydrometer 0.760/0.8-30 300-330 mm need real instructions with pictures for each step Typed or Handwritten anything Link :- https://www.grainger.com/product/THERMCO- Hydrometer-Specific-Gravity-32GC62See Answer
Q18:Exercise 1.5: Small scale map projections cannot preserve both shape and size. Analyze the mops on the previous page and answer the following questions. 1. Map A is most likely which type of projection? Explain your reasoning. 2. Map B is most likely which type of projection? Explain your reasoning. 3. Map C is most likely which type of projection? Explain your reasoning. 4. Out of the three types of projections (Conformal, Equivalent (or equal area) or Compromise), which projection would be the best for measuring the extent of a Tropical Rainforest? Explain your reasoning. 5. Out of the three types of projections (Conformal, Equivalent (or equal area) or Compromise), which projection would be the best for a general reference world map? Explain your reasoning.See Answer
Q19:Exercise 1.4: Round the following numbers to the nearest tenth. 1. 1.3556 = 2. 21.4333 = Round the following numbers to the nearest hundredth (two decimal places). 3. 3.546 = 4. 24.9312= Round the following numbers to the nearest whole number. 5. 24.589 = 6. 12.158 =See Answer
Q20:Exercise 1.2: Open the Lab 1 Digital Map: and answer the following questions. You may also access this map from Canvas. Go to the Fullerton College Bookmark. Using the Measure Distance Tool, answer these questions: 1. The Red Pushpin is the location of the library. Imagine that you were to exit the building (blue pushpin) and walk to your car (green pushpin). You can only walk along the sidewalk until you get to the parking lot. How far is it in feet from the building's exit to your car?______ 2. You need to drive from the blue star to the orange star. What is the difference in miles if you take N. Berkley Ave versus N. Lemon St. and Nutwood Pl? How accurate are your measurements? Let's find out. Change the Basemap to Imagery and go to the Valencia High School Bookmark to measure the length of the football field. Note: Football fields are 100 yards between the goal lines. I marked the goal lines in yellow on this image: 3. How close were you to the actual length? Return to the Fullerton College Bookmark (with Basemap as Imagery). 4. Using the measure area tool, measure the area of the field I labeled. How many sq. feet is it?See Answer

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