Discussion
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- Question
A diesel engine is __________ as compared to petrol engine, both running at rated load.
Options- A. equally efficient
- B. less efficient
- C. more efficient
- Correct Answer
- more efficient
- 1. Solid fuel fabricated into various small shapes, which are assembled to form fuel elements, is in the form of
Options- A. plates
- B. pallets
- C. pins
- D. all of these Discuss
- 2. Which of the following does not relate to a spark ignition engine?
Options- A. Ignition coil
- B. Spar kplug
- C. Carburettor
- D. Fuel injector Discuss
- 3. The increase in intake temperature of internal combustion engines will __________ efficiency.
Options- A. have no effect on
- B. increase
- C. decrease Discuss
- 4. Number of working strokes per min. for a two stroke cycle engine are __________ the speed of the engine in r.p.m.
Options- A. equal to
- B. one-half
- C. twice
- D. four-times Discuss
- 5. The knocking tendency in spark ignition engines may be decreased by
Options- A. controlling the air-fuel mixture
- B. controlling the ignition timing
- C. controlling the exhaust temperature
- D. reducing the compression ratio Discuss
- 6. In petrol engines, the delay period is of the order of
Options- A. 0.001 second
- B. 0.002 second
- C. 0.003 second
- D. 0.004 second Discuss
- 7. The material most commonly used for sheilding is
Options- A. carbon
- B. lead
- C. concrete
- D. all of these Discuss
- 8. The reflectivity depends upon
Options- A. geometry of the reflector
- B. energy of neutrons
- C. properties of the reflector
- D. all of these Discuss
- 9. Alpha-methyl-naphthalene (C11 H10) has a cetane number of
Options- A. 0
- B. 50
- C. 100
- D. 120 Discuss
- 10. Reflector in nuclear power plants __________ neutron leakage.
Options- A. increases
- B. decreases
- C. have no effect on Discuss
IC Engines and Nuclear Power Plants problems
Search Results
Correct Answer: all of these
Correct Answer: Fuel injector
Correct Answer: decrease
Correct Answer: equal to
Correct Answer: reducing the compression ratio
Correct Answer: 0.002 second
Correct Answer: concrete
Correct Answer: all of these
Correct Answer: 0
Correct Answer: decreases
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