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Q1:1. The challenge of understanding the operation of a pneumatic system can be reduced if it is considered to be groups of basic components and sub-circuits. True FalseSee Answer
Q2:2. The pneumatic workstation filter, regulator, and lubricator are often close fitted into a unit referred to as the A. composite group B. trio unit C. multiple pressure D. logic functionSee Answer
Q3:3. The final preparation of air in a pneumatic system occurs at the A. multiple-pressure circuit B. remote control planning C. workstation D. composite regulatorSee Answer
Q4:4. Whenever additional pressure regulators are used downstream from the air-preparation unit, they can regulate pressures to a level below the setting of the pressure regulator.See Answer
Q5:5. A(n) pressure must be controlled from a remote location. _-operated pressure regulator can be used when pneumatic systemSee Answer
Q6:6. In five-port, four-way directional control valves, flow control components are placed in the lines.See Answer
Q7:7. Quick-exhaust valves are designed to increase the operating speed of cylinders. True FalseSee Answer
Q8:8. include AND, OR, and NOR functions such as used in microprocessors. They are used to provide system control. A. composite groups B. trio units C. multiple pressures D. logic functionsSee Answer
Q9:9. The purpose of a time-delay circuit is to manually time cylinder movement. True FalseSee Answer
Q10:10. A two-hand safety circuit generally prevents complete or partial machine operation if A. the circuit has no air supply B. either of the two hand controls is tied down C. either of the two hand controls is pressurized D. All of the above.See Answer
Q11: A world-renowned monument is located in Agra, India. Built by the Mughal emperor Shah Jahan in memory of his beloved wife, Mumtaz Mahal, it is considered by it. World every year is transferred Active to Passive. One of the most remarkable aspects of the Taj Mahal is its exquisite architecture . The monument is entirely made of white marble, giving it a dazzling appearance that seems to glow in the sunlight. Flowing fountains A large dome is flanked by smaller domes and minarets on each corner. A serene and peaceful ambiance is provided by these gardens creating a perfect setting for the majestic Taj Mahal .. The skilled craftsmanship of the Mughal artisans is showcased by the intricate carvings on the marble walls and pillars . Leisurely walks are taken by visitors through the gardens, enjoying the breathtaking views of the monument from different angles . The beauty and grandeur of the Taj Mahal are added by the delicate floral motifs, geometric patterns, and calligraphy inscriptions. The Taj Mahal is not just a beautiful architectural marvel ; it is also a symbol of love and devotion. In addition to its architectural splendor, the Taj Mahal is also known for its beautiful gardens .. "See Answer
Q12:/n/n software called festo fluid sim all the person needs to do now is look at the circuit and produce a step by step guide i have provided ppts of lesson slides showing how to interpret the circuits and a list of festo pneumatic symbols to help with knowing what each symbol in my circuit is called activity 3 must be hand drawn and then you must label figure one and twos components If you aim for the pass criteria and not the merit nor distinction criteria Pass criteria: Describe, with the aid of suitable diagrams, the construction and operation of a given electro- pneumatic device and a given electro-hydraulic device Yes/No Yes/No P4 Use standards to identify electro, pneumatic and hydraulic components shown as symbols in given circuit diagrams and reference materials and atleast the person doesnt need to do this... M1 Compare the construction and operation of a pneumatic system with that of a hydraulic system Yes/No Yes/No D1 Assess the relevance of current standards such as CETOP, to the construction and operation of fluid power devices Yes/No Yes/No THIS SHEET MUST BE RETURNED WITH THE COMPLETED WORKSee Answer
Q13:2. (20 marks) Using neat sketches, draw the correct hydraulic circuit symbols for the given components and systems, briefly explaining their functions: (A) Pressure compensated variable Displacement pump with case drain (B) 3 Position/4 way Manually activated, Spring centred, Closed Centre DCV with cross connect and straight through positions (C) 2 Position/3 way Manually Actuated Spring offset Directional Control Valve (D) Restriction type check valve (E) Pressure reducing valve (F) A pneumatic FRL unit (G) Hydraulic sequencing circuit (H) Filter with check valve bypass. (I) Reservoir with Connecting line above fluid level and vented. (J) Variable Displacement Bi-Directional Hydraulic motorSee Answer
Q14:3. (20 marks) Using neat sketches, produce a hydraulic circuit diagram containing at least ten components to the ISO 1219-1:2012 standard. Explain the function of each component, its symbol and its purpose within the given circuit.See Answer
Q15:4. (20 marks) Using neat sketches, produce a pneumatic circuit diagram that containing at least ten components to the ISO 1219-1:2012 standard. Explain the function of each component, its symbol and its purpose within the given circuit. Kidney Loop Digital Pump Operational Waming Beacon Digital O Pump Switch Pump R Heavy Duty Frame Tow Bar with BrakeSee Answer
Q16:1. Briefly Define and explain the nature of heat transfer by radiation, using diagrams and equations (04 marks) to support your answer.See Answer
Q17:A composite wall is composed of 5 sections as represented in the below Fig. 1. The temperature at the left side is 170° C and at the right side is 750° C and h = 15 W/m² K on both sides. The coefficient of heat transfer are k₁ =k3 = 78 W/mK, k₂ = 115 W/mK, k4 = 100 W/mK, and ks = 145 W/mK. Determine: a. The total thermal resistance Heat transfer rate through the composite. 24 cm Figure 1 Composite Wall 8 cm 6 cm 2 cm (6 marks) (2 marks)See Answer
Q18:3. A steel pipe A steel pipe with heat transfer coefficient of 35 W/mK contains flowing water. The outer diameter of the pipe is 95 mm and the wall thickness is 2.5mm. Calculate: a. The heat loss by convection and conduction per meter length of un-insulated pipe when the water temperature is 25°C, the outside air temperature is -5°C, the water side heat transfer coefficient is 30 KW/m2K and the outside heat transfer coefficient is 20 KW/m²K. b. Calculate the corresponding heat loss when the pipe is lagged with insulation having an outer diameter of 150 mm, and thermal conductivity of K = 0.04 W/mK (6 marks) (2 marks)See Answer
Q19:4. A 'heat exchanger' may be defined as an equipment which transfers the energy from a hot fluid to a cold fluid, with maximum rate and minimum investment and running costs. In heat exchangers the temperature of each fluid changes as it passes through the exchangers, and hence the temperature of the dividing wall between the fluids also changes along the length of the exchanger. One of the type of heat exchanger is the recuperator where the two fluids are not allowed to mix and according to the relative directions of two fluid streams the heat exchangers can have either parallel-flow or counter-flow mechanism. a. Hence you are required to distinguish the differences between the parallel- flow and counter-flow recuperator heat exchangers. (4 marks)See Answer
Q20:5. Consider that the flow rates of hot and cold-water streams running through a parallel-flow heat exchanger are 0.3 kg/s and 0.55 kg/s respectively, shown in Fig. 2. The inlet temperatures on the hot and cold sides are 85°C and 20°C respectively. The exit temperature of hot water is 48°C. 4-20°C -75°C 4₁ = 20°C Cold water Hot water Cold water (a) Flow arrangement. 45°C (ing) = 75°C Hot water Temperature 45°C Cold water -20°C Fig. 2 Parallel-flow heat exchanger Area/Length- (b) Temperature distribution. a. If the individual heat transfer coefficients on both sides are 640 W/m2 °C, apply the heat transfer formulae to calculate the area of the heat exchanger. (4 marks) b. Recalculate the area if the flow was a counter-flow (2 marks)See Answer

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