Q. The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as

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Q. Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler ?

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Q. By compounding the expansion of steam in two or more cylinders, the ratio of expansion

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Q. The water tubes in a simple vertical boiler are

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Q. The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as

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Q. The amount of water evaporated in kg per kg of fuel burnt is called

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Q. In a compound steam engine, the first stage of expansion is carried out in a high pressure cylinder whereas the last expansion is completed in low pressure cylinder. The diameter of high pressure cylinder is __________ the lowpressure cylinder.

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Q. Babcock and Wilcox boiler is a stationary type of water tube boiler.

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Q. A Cochran boiler is a horizontal multi-tubular boiler.

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Q. In forced circulation steam boilers, the force is applied

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Q. Which of the following are boiler accessories ?

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Q. All steam engines work on

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Q. The capacity and working pressure.of a Cornish boiler is __________ as compared to Lancashire boiler.

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Q. For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is __________ the piston speed of single acting steam engine.

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Q. A compound steam engine in which piston rods of high pressure and low pressure cylinders are attached to two different cranks set at 90° to each other, is called

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Q. The draught may be produced by a

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Q. The rate of flow of steam is __________ in case of fire tube boilers.

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Q. The number of water level indicators in a boiler are generally __________ in number.

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Q. The fire tubes in a Locomotive boiler has __________ diameter.

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Q. A throttle governed steam engine develops 15 kW with 280 kg per hour of steam and 35 kW with 520 kg per hour of steam. The steam consumption in kg per hour when developing 20 kW will be nearly

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