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Q1: 2. A cam, with a minimum radius of 25 mm, rotating clockwise at a uniform speed is to be designed to give a roller follower, at the end of a valve rod, motion described below : 1. To raise the valve through 50 mm during 120° rotation of the cam; 2. To keep the valve fully raised through next 30°B 3. To lower the valve during next 120°; and 4. To keep the valve closed during rest of the revolution i.e. 90° ;See Answer
Q2: The Fink truss supports the wind loads shown. Determine the force in each member and indicate if the members are in tension or compression. Approximate each joint as a pin. Ex=4000cos60=2000lbs.(left) sumMe=20000/(10cos30)=Ay=2310lbs(up) Ey=-4000sin60+2310=-1090lbs.(down)See Answer
Q3: If the rocker at A were replaced with a hinge similar to the hinge at E and the resultant magnitude at E is equal to that at hinge A, recalculate the reactions at A and E. Ах Ay. Ex EySee Answer
Q4: \text { Question } 4: List all zero force members: Determine the length of members BJ and JH: Determine the length of members FG and El: Determine the force in these four members and whether the members are in tension or compression:See Answer
Q5: If the box on top of this scissor lift weighs 50 N what is the required horizontal force at P to maintain equilibrium? Disregard the weight of the members and platform. Theta equals 37 degrees and 1 =2 in length, 2L= 10 m. d= 6 m. Hint: Draw four FBD and solve for the unknowns.See Answer
Q6: Examining the front planar truss of this bridge, how many zero force members are observed? Number the members 1 through 21. If the right side of the truss is supported by a rocker and the left side is supported by a hinge, list the members that can be inspected for tension or compression? If a 500 lb load was applied downward on the pin between the green star and the blue box,determine the force in the upper left horizontal member (orange arrow), and the two members directly below (purple pentagons).See Answer
Q7: ) Draw complete bond graph 2) solve For the appropriate equations of f state 3) place into state apace FormSee Answer
Q8: A ball is swung in a vertical circle at the end of a string. Assuming that the total energy of the ball-Earth system remains constant, show that the tension in t he string at the bottomis greater than the tension at the top by six times the weight of the ball. Note that the radius ofthe cirde doeN not affect this answer. See Answer
Q9: The diameter of the roller is 20 mm and the diameter of the cam shaft is 25 mm. The displacement of the valve, while being raised and lowered, is to take place with simple harmonic motion. a) Draw the profile of the cam when, the line of stroke of the valve rod passes through the axis of the cam shaft, and b) Determine the maximum acceleration of the valve rod when the cam shaft rotate sat 100 r.p.m. c) Draw the displacement, the velocity and the acceleration diagrams for one complete revolution of the cam.See Answer
Q10: On engineering or graph paper, draw by hand the top, front, and right-side view for each block. Include the respective labels: "Top view", "Front view" or "Side view".Please be consistent with your labeling. Please remember to always submit your work in a professional manner. This is expected in the profession (real world). Hence, please pay attention to the final appearance of your work (Points may be deducted if the student fails to satisfy this requirement): 1) Make sure to align the orthographic projections for each block as discussed in class. 2) In addition, make sure that your orthographic projections are sized correctly. See Answer
Q11: Draw In the dimensioning for each of the three remaining orthographic projections. Follow the rules that were highlighted In class. NEATNESS COUNTS! For these drawings, text height Is equal to 1 box of the grid. Dimension by putting W for width,L for length, and H for height. See Answer
Q12: Solve the following beams (1-4) using methods (I-VI) for the following items (a-d). State when the specified method cannot solve for a specific item, (480 pts) I. Equilibrium II. Shear-Moment Diagrams III. Superposition IV. Integration V. Singularity Functions VI. Castigliano's Theorem Solution Itemsa. Reactions (5 pts)b. Deflection at indicated cut (5 pts)c. Slope at indicated cut (5 pts)d. Max deflection (5 pts) See Answer
Q13:If a = 5, determinc (a) and (b) IxxSee Answer
Q14:Draw the followings views (all of them in mm): 110 38 50 80 P22 R15 20 50 30See Answer
Q15: Use graphing paper as it's a hand drawing assignment. You can use online graphing paper if that's what you prefer; however, need to mention the scale and the dimensions in the drawing.... (a) Draw the isometric view of the part shown (based on the given views),use the isometric grid provided. Each square on the drawing is equal to each isometric square on the grid. (b) Similar to question in part (a) draw the isometric view for the part given.Isometric grid is provided for guidance. See Answer
Q16: Sketch the isometric projection and the orthographic projections of the object below.Properly dimension each sketch. All dimensions shown are in inches. On your paper, 1 drawing unit represents 0.125". See Answer
Q17:Question 1 Question 2 25 0:09 20 15 400 20 20 65 20 30 450 910 30 10 15.0 12.3 600 20.0 Isometriv View 25 10 R=7.5 O 40 40See Answer
Q18:Question 1 - Hidden Lines Given three incomplete views of a multi-view drawing of an object, re-sketch the three views and add any missing line(s). Use the graph paper provided at the end of the document. You do not have to draw a border or title block. 1 A 2 NY 0 3 HHISee Answer
Q19:Question 2 - Multiview to Isometric Using the given orthographic views, sketch an isometric view of each of the following. Use the Isometric paper provided at the end of this document. You do not need a border or title block. A 1 2 3See Answer
Q20:Assignment 3 You have the option to do the assignment digitally (on your laptop or tablet) and submit it directly to canvas in pdf format. If you did it on paper, please scan/take picture of your solutions, convert and combine them all into ONE pdf file, and upload them on Canvas. Due Date: July. 14th Question 1 - Auxiliary View For the given multiview drawings, re-sketch the given views and then add a partial auxiliary view for the inclined face. Note I: Keep all fold lines, labels, and projection lines used to draw the auxiliary view. Note II: Use the graph paper provided at the end of the document. Note III: You do not have to draw a border or title block. HC DAAA 2 3See Answer

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