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ME Set-1
IC Engines and Nuclear Power Plants
204

IC Engines and Nuclear Power Plants MCQ with Answers

204) The fuels in order of decreasing knock tendency for spark ignition engines are

paraffins, aromatics, napthenes

paraffins, napthenes, aromatics

napthenes, aromatics, paraffins

napthenes, paraffins, aromatics

Answer is:

paraffins, napthenes, aromatics

IC Engines and Nuclear Power Plants MCQ with Answers

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Related IC Engines and Nuclear Power Plants MCQ with Answers

205) The ratio of the work obtained at the crankshaft in a given time to the energy supplied during the same time is called

mechanical efficiency

overall efficiency

indicated thermal efficiency

volumetric efficiency

Answer is:

overall efficiency

206) Plutonium (Pu₂₃₉) is produced

artificially

by fission of Th₂₃₂

when U₂₃₈ is irradiated by neutrons

as basic raw material

Answer is:

when U₂₃₈ is irradiated by neutrons

207) A petrol engine has compression ratio from

6 to 10

10 to 15

15 to 25

25 to 40

Answer is:

6 to 10

208) In petrol engines, using a fixed octane rating fuel, the increase in engine speed will decrease the knocking tendency.

Yes

No

Unknown

None

Answer is:

Yes

IC Engines and Nuclear Power Plants MCQ with Answers

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