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IC Engines and Nuclear Power Plants

71.

The thermal efficiency of a standard Otto cycle for a compression ratio of 5.5 will be

Answer: B

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72.

Pre-ignition is caused by the spontantaneous combustion of the mixture before the end of the compression stroke, and is due to

Answer: D

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73.

Reactors for propulsion applications are designed for

Answer: C

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74.

Light weight substances can not be effective moderators.

Answer: B

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Answer: C

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76.

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

Answer: A

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77.

A supercharged engine as compared to an ordinary engine

Answer: D

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Answer: D

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79.

The pressure at the end of compression, in diesel engines, is approximately

Answer: D

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80.

The inlet valve of a four stroke cycle internal combustion engine remains open for

Answer: C

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