Discussion
Home ‣ Mechanical Engineering ‣ Heat Transfer, Refrigeration and Air Conditioning See What Others Are Saying!
- Question
The wet bulb temperature during sensible heating of air
Options- A. remains constant
- B. increases
- C. decreases
- Correct Answer
- increases
- 1. The rigid suspension is beneficial when
Options- A. it is desired to reduce the unsprung mass
- B. it is desired to have more flexibility in design
- C. it is desired to improve tyre-to-ground contact characteristics
- D. large changes in load make it necessary to have a large suspension stroke Discuss
- 2. The heat absorbed during a polytropic process is
Options- A.
x Workdone - B.
- C.
- D. all of these Discuss
- 3. The relative humidity decreases as air gets wet.
Options- A. True
- B. False Discuss
- 4. Scab is a casting defect which occurs as sand patches on the upper surface of a casting.
Options- A. True
- B. False Discuss
- 5. When the discharge pressure is too high in a refrigeration system, high pressure control is installed to stop the compressor.
Options- A. Correct
- B. Incorrect Discuss
- 6. Small nose radius
Options- A. increases tool life
- B. decreases tool life
- C. produces chipping and decreases tool life
- D. results in excessive stress concentration and greater heat generation Discuss
- 7. The component that connects the steering rack to the knuckles is
Options- A. tie-rod
- B. sector gear
- C. pivot
- D. spline Discuss
- 8. A load which is spread over a beam in such a manner that it varies uniformly over the whole length of abeam is called uniformly __________ load.
Options- A. distributed
- B. varying Discuss
- 9. Thermal equilibrium means that the flow of steam is
Options- A. isothermal
- B. isentropic
- C. hyperbolic
- D. polytropic Discuss
- 10. Silicon when added to copper improves
Options- A. machinability
- B. hardness
- C. hardness and strength
- D. strength and ductility Discuss
More questions
Correct Answer: large changes in load make it necessary to have a large suspension stroke
Correct Answer: all of these
Correct Answer: True
Correct Answer: True
Correct Answer: Correct
Correct Answer: results in excessive stress concentration and greater heat generation
Correct Answer: tie-rod
Correct Answer: varying
Correct Answer: isentropic
Correct Answer: hardness and strength
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