Discussion
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- Question
Expansion ratio is the ratio of
Options- A. swept volume to the volume at cut-off
- B. clearance volume to the swept volume
- C. volume at cut-off to the swept volume
- D. swept volume to the clearance volume
- Correct Answer
- swept volume to the volume at cut-off
- 1. The number of water level indicators in a boiler are generally __________ in number.
Options- A. one
- B. two
- C. three
- D. four Discuss
- 2. All steam engines work on
Options- A. Zeroth law of thermodynamics
- B. First law of thermodynamics
- C. Second law of thermodynamics
- D. none of these Discuss
- 3. In value engineering, the term value refers to
Options- A. manufacturing cost of the product
- B. selling price of the product
- C. total cost of the product
- D. utility of the product Discuss
- 4. The algebraic sum of the resolved parts of a number of forces in a given direction is equal to the resolved part of their resultant in the same direction. This is known as
Options- A. principle of independence of forces
- B. principle of resolution of forces
- C. principle of transmissibility of forces
- D. none of these Discuss
- 5. The function of an alternator in an automobile is to
Options- A. supply electric power
- B. convert mechanical energy into electrical energy
- C. continually recharge the battery
- D. partly convert engine power into electric power Discuss
- 6. During a refrigeration cycle, heat is rejected by the refrigerant in a
Options- A. compressor
- B. condenser
- C. evaporator
- D. expansion valve Discuss
- 7. A redundant frame is also called __________ frame.
Options- A. perfect
- B. imperfect
- C. deficient Discuss
- 8. The value of one bar (in S. I. units) is equal to
Options- A. 1 x 102 N/m2
- B. 1 x 103 N/m2
- C. 1 x 104 N/m2
- D. 1 x 105 N/m2 Discuss
- 9. Which of the following property is desirable for materials used in tools and machines?
Options- A. Elasticity
- B. Plasticity
- C. Ductility
- D. Malleability Discuss
- 10. Charles' law states that all perfect gases change in volume by __________ of its original volume at 0° C for every 1° C change in temperature, when pressure remains constant.
Options- A. 1/27th
- B. 1/93th
- C. 1/173th
- D. 1/273th Discuss
More questions
Correct Answer: two
Correct Answer: Second law of thermodynamics
Correct Answer: utility of the product
Correct Answer: principle of resolution of forces
Correct Answer: continually recharge the battery
Correct Answer: condenser
Correct Answer: imperfect
Correct Answer: 1 x 105 N/m2
Correct Answer: Elasticity
Correct Answer: 1/273th
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