Q. The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called

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Q. A device used to put off fire in the furnace of the boiler when the level of water in the boiler falls to an unsafe limit, is called

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Q. The function of a valve rod is

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Q. A receiver type compound engine, requires a lighter flywheel.

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Q. The function of an eccentric rod is

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Q. The value of diagram factor depends upon

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Q. A vessel into which the steam is exhausted and condensed after doing work in an engine cylinder or turbine is known as

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Q. A valve installed between the boiler and the feed pump is

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Q. The ratio of the temperature rise of cooling water to the vacuum temperature minus inlet cooling water temperature is called

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Q. The efficiency of a boiler is defined as

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Q. In fire tube boilers

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Q. An economiser is generally placed between

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Q. Which of the following compound steam engine requires a smaller flywheel ?

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Q. Which of the following statement is correct ?

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Q. A water level indicator is a device to indicate the exact water level in the boiler at any instant.

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Q. In surface condensers, the condensate and the cooling water mixes up.

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Q. The indicated thermal efficiency is defined as the

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Q. The length of Cornish boiler varies from

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Q. The principal function of a stop valve is to

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Q. There is about 15 to 20% of coal saving when an economiser is used in a boiler.

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