Q. The diameter of superheated tubes in a locomotive boiler is

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Q. The amount of water evaporated from feed water at __________ into dry and saturated steam at 100° C at normal atmospheric pressure is called equivalent evaporation from and at 100° C.

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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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