Q. A gas engine has a swept volume of 300 cm³ and clearance volume of 25 cm³. Its volumetric efficiency is 0.88 and mechanical efficiency is 0.90. The volume of the mixture taken in per stroke is

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Q. The correct sequence of the decreasing order of brake thermal efficiency of the three given basic types of engines is

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Q. The engines in which the combustion of fuel takes place inside the engine cylinder are called internal combustion engines.

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Q. A fuel will detonate less if it has higher self ignition temperature.

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Q. The combustion in compression ignition engines is

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Q. Which of the following fuel detonates readily ?

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Q. If the speed of the engine is increased, the indicated power will

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Q. The petrol engines are also known as __________ engines.

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Q. The specific fuel consumption per B.P. hour for a petrol engine is about

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Q. The material most commonly used for sheilding is

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Q. In order to eliminate knocking in compression ignition engines, there should be

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Q. The air standard efficiency of an I.C. engine depends on

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Q. The mean effective pressure of a diesel engine having fixed compression ratio will __________ if cut off ratio decreases.

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Q. The knocking tendency in spark ignition engines may be decreased by

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Q. In a two stroke engine, the working cycle is completed in two revolutions of the crankshaft.

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Q. A reactor capable of converting a fertile material into fissile isotopes is called regenerative reactor.

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Q. Alpha-methyl-naphthalene (C₁₁ H₁₀) has a cetane number of

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Q. In a petrol engine, the mixture has the lowest pressure at the

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Q. Which of the following does not relate to a spark ignition engine ?

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Q. The increase in intake temperature of internal combustion engines will __________ efficiency.

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