In nuclear power plants, due to reflector, less fuel is needed to generate suffi

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Home ‣ Mechanical Engineering ‣ IC Engines and Nuclear Power Plants Comments

Question
In nuclear power plants, due to reflector, less fuel is needed to generate sufficient neutrons to sustain a chain reaction.
Options
A. Yes
B. No

Correct Answer

Yes

IC Engines and Nuclear Power Plants problems

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1. The thermal efficiency of diesel engines is about
Options
A. 15%
B. 30%
C. 50%
D. 70%

Discuss

Correct Answer: 70%

2. Morse test can be conducted for
Options
A. petrol engines
B. diesel engines
C. multi-cylinder engines
D. all of these

Discuss

Correct Answer: multi-cylinder engines

3. A moderator generally used in nuclear power plants is
Options
A. graphite
B. heavy water
C. concrete
D. graphite and concrete

Discuss

Correct Answer: graphite and concrete

4. Each fission of U₂₃₅ produces on the average __________ fast neutrons as a product of reaction.
Options
A. 2.46
B. 24.6
C. 246
D. 2460

Discuss

Correct Answer: 2.46

5. High speed compression engines operate on
Options
A. Otto cycle
B. Diesel cycle
C. Dual-combustion cycle
D. all of these

Discuss

Correct Answer: Dual-combustion cycle

6. U₂₃₃ is produced
Options
A. artificially
B. as basic raw material
C. when thorium is irradiated by neutrons
D. by fission of U₂₃₈

Discuss

Correct Answer: when thorium is irradiated by neutrons

7. The brake power of a diesel engine, keeping other parameters constant, can be increased by
Options
A. decreasing the density of intake air
B. increasing the temperature of intake air
C. increasing the pressure of intake air
D. decreasing the pressure of intake air

Discuss

Correct Answer: increasing the pressure of intake air

8. The primary fuel used in nuclear power plants is
Options
A. U₂₃₅
B. U₂₃₈
C. Pu₂₃₉
D. Pu₂₃₃

Discuss

Correct Answer: U₂₃₅

9. The increase of cooling water temperature in petrol engine will __________ the knocking tendency.
Options
A. not effect
B. decrease
C. increase

Discuss

Correct Answer: increase

10. The detonation is also called knocking or pinking.
Options
A. Yes
B. No

Discuss

Correct Answer: Yes

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In nuclear power plants, due to reflector, less fuel is needed to generate sufficient neutrons to sustain a chain reaction.

IC Engines and Nuclear Power Plants problems

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