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Consider the following statements relating to rocket engines:

asked Jan 16, 2018 in PPE by chandu (215k points)

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In a turbo- jet engine, subsequent to heat addition to compressed air, to get the power output

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In a turbo- jet engine, subsequent to heat addition to compressed air, to get the power output

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In open cycle turbo- jet engines used in

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In the subsonic range the propulsive efficiency of a rocket less than

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The propulsive efficiency of the units is

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In a turbo- jet engine, thrust may be increased by

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The thrust of rocket engine depends upon

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Which one of the following is the correct sequency of the position of the given components in a Turbo- prop?

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A nuclear unit becoming critical means:

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What is the function of heavy water in a nuclear reactor?

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A nuclear fission is initiated when the critical energy as compared to neutron binding energy atoms is

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Uranium 238 is represented as

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A nuclear reactor is said to be critical when the neutron population in the reactor core is

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A nuclear reactor is said to be critical when the neutron population in the reactor core is

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What is the correct sequence of the above nuclear fuels in order of increasing half life?

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The mass defect is

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Uranium 238 is represented by

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With natural uranium, which of the following is used as moderator?

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The nuclear radiators produced in a reactor, which must be shielded, are :

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