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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Q. In a La-mont boiler, there is a __________ circulation of water and steam.

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Q. The diameter of internal flue tubes of a Lancashire boiler is about __________ that of its shell.

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Q. Locomotive boiler produces steam at a very high rate.

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Q. Which of the following is a fire tube boiler ?

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Q. Which of the following statement is wrong?

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Q. The ratio of the energy required to produce the artificial draught (expressed in metres head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as

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Q. The function of a piston in a steam engine is

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Q. The high steam and low water safety valve is not used in

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Q. In a Woolf type compound engine, the high pressure and low pressure cylinders

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Q. The actual power generated in the engine cylinder is called

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Q. In order to compare the capacity of boilers, the feed water temperature and working pressure are taken as

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Q. A condenser maintains a low pressure (below atmospheric) so as to obtain the maximum possible energy from steam and thus to secure a high efficiency.

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Q. The amount of water evaporated from and at 100° C into dry and saturated steam is called evaporative capacity of a boiler.

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