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IC Engines and Nuclear Power Plants

IC Engines and Nuclear Power Plants – Section 5

1. The cetane number of diesel oil, generally available, is A. 20 to 25 B. 25 to 30 C. 30 to 40 D. 40 to 55 Answer: Option D 2. The object of providing masked inlet valve in the air passage of compression ignition engines is to A. enhance flow …

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IC Engines and Nuclear Power Plants – Section 4

1. A supercharger receives air from the atmosphere surrounding the engine, compresses it to a higher pressure and then feeds it into the inlet valve of the engine. A. Correct B. Incorrect Answer: Option A 2. Iso-octane (C8H18) has octane number of A. 0 B. 50 C. 100 D. 120 …

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IC Engines and Nuclear Power Plants – Section 3

1. If the speed of the engine is increased, the indicated power will A. increase B. decrease C. remain same Answer: Option A 2. The petrol engines are also known as __________ engines. A. compression ignition B. spark ignition Answer: Option B 3. The specific fuel consumption per B.P. hour …

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IC Engines and Nuclear Power Plants – Section 2

1. If V1 is the jet velocity and V0 is the vehicle velocity, then propulsive efficiency of a turbo-jet engine is A. B. C. D. Answer: Option C 2. Theoretically, a four stroke cycle engine should develop __________ power as that of a two stroke cycle engine. A. half B. …

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IC Engines and Nuclear Power Plants – Section 1

1. The reference fuels for knock rating of spark ignition engines would include A. iso-octane and alpha-methyl naphthalene B. normal octane and aniline C. iso-octane and normal hexane D. normal heptane and iso-octane Answer: Option D 2. The diesel engines are also known as __________ engines. A. compression ignition B. …

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