Q. Which of the following gaseous fuels has the lowest calorific value?

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Q. Fuel gases containing hydrocarbons (e.g. coke oven gas) are not preheated before burning, mainly because ____________

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Q. Flue gas discharge velocity through chimney of a big thermal power plant may be around __________ m/sec.

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Q. In water tube boilers ___________

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Q. The object of producing draught in a boiler is ___________

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Q. What is the function of a piston rod?

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Q. The cylinder dimensions of a compound engine may be designed on the basis of ___________

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Q. The function of a crosshead is to guide motion of the __________ and to prevent it from bending.

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Q. Which of the following statement is wrong?

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Q. A device used to increase the temperature of saturated steam without raising its pressure is called?

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Q. A safety valve usually employed with stationary boilers is ___________

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Q. Fire tube boilers are ___________

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Q. The diameter of flue tube in a Cornish boiler is __________ that of the shell.

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Q. In a glass rube type water indicator for a boiler, one end of the tube is connected to water space and the other end is connected to ________________

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Q. The draught produced by a steam jet issuing from a nozzle placed in the ashpit under the fire grate of the furnace is called ___________

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Q. Willian’s line for the steam engine is a straight line relationship between the steam consumption per hour and ___________

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Q. The natural draught is produced by ___________

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Q. An air preheater is installed ___________

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Q. Which of the following statement is correct for a compound steam engine?

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Q. What is the length of shell of a Locomotive boiler?

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