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

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Q. The advancing of spark timing in spark ignition engines will __________ knocking tendency.

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Q. The knocking in spark ignition engines can be reduced by

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Q. An atom bomb utilises uncontrolled nuclear fission.

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Q. The ratio of the brake power to the indicated power is called

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Q. The increase of efficiency of a compression ignition engine, as the load decreases, is due to

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Q. The knocking tendency in spark ignition engines can be decreased by adding dopes like tetra ethyle lead and ethylene dibromide.

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Q. A diesel engine has compression ratio from

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Q. A petrol engine, during suction stroke draws

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Q. A supercharged engine as compared to an ordinary engine

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Q. In qualitative governing, the quantity of fuel is varied to suit the load on the engine and the total charge of air is altered.

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Q. The function of a distributor in a coil ignition system of I.C. engines is

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Q. A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be

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Q. The frictional power (F.P.) is given by

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Q. The unit million electron volts (Mev) is commonly used to measure the nuclear energy.

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Q. A two stroke cycle engine gives __________ mechanical efficiency than a four stroke cycle engine.

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Q. The delay period in compression ignition engines depends upon

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Q. Lubrication in I.C. engines dissipates the heat generated from the moving parts due to friction.

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Q. The ratio of the heat equivalent to one kW hour to the heat in fuel per B.P. hour is termed as brake thermal efficiency.

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Q. The theoretically correct mixture of air and petrol is

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