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- Question
The engine torque increases with the increase in engine speed up to a certain point after which it starts to fall down.
Options- A. Correct
- B. Incorrect
- Correct Answer
- Correct
- 1. In which of the following refrigeration system, waste heat can be effectively used?
Options- A. Vapour compression cycle
- B. Vapour absorption cycle
- C. Air refrigeration cycle
- D. none of these Discuss
- 2. The temperature indicating instrument in vehicles indicates the temperature of
Options- A. engine piston
- B. engine cylinder
- C. lubricating oil
- D. jacket cooling water Discuss
- 3. The expression
is used for calculating relative humidity.
Options- A. Yes
- B. No Discuss
- 4. The volume per unit mass of a liquid is called specific volume.
Options- A. Yes
- B. No Discuss
- 5. The most accurate ignition system of a spark ignition engine is
Options- A. magneto system
- B. battery system
- C. electronic control unit system
- D. magneto and electronic system Discuss
- 6. Crater wear is predominant in
Options- A. carbon tool steels
- B. tungsten carbide tools
- C. high speed steel tools
- D. ceramic tools Discuss
- 7. Stefan-Boltzmann law is applicable for heat transfer by convection.
Options- A. Agree
- B. Disagree Discuss
- 8. Normalising of steel is done to
Options- A. refine the grain structure
- B. remove strains caused by cold working
- C. remove dislocations caused in the internal structuure due to hot working
- D. all of the above Discuss
- 9. If a body is acted upon by a number of coplaner non-concurrent forces, it may
Options- A. rotate about itself without moving
- B. move in any one direction rotating about itself
- C. be completely at rest
- D. all of these Discuss
- 10. In counter-current flow heat exchangers
Options- A. both the fluids at inlet are in their hottest state
- B. both the fluids at inlet are in their coldest state
- C. both the fluids at exit are in their hottest state
- D. one fluid is coldest and the other is hottest at inlet Discuss
More questions
Correct Answer: Vapour absorption cycle
Correct Answer: jacket cooling water
Correct Answer: No
Correct Answer: Yes
Correct Answer: electronic control unit system
Correct Answer: tungsten carbide tools
Correct Answer: Disagree
Correct Answer: all of the above
Correct Answer: all of these
Correct Answer: both the fluids at inlet are in their hottest state
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