Q. The expression for temperature rise t in feedwater heater when a & b are the temperatures of boiler saturation & condenser respectively, is given by which of the following expression?

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Q. What happens to the feedwater that enters the economiser?

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Q. The economiser can also be assumed as?

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Q. The feedwater in the Economiser _________

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Q. The temperature rise from condenser to boiler saturation is divided __________ among the feedwater heaters for maximum gain in efficiency.

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Q. What is the expression for enthalpy of each heater hper heater if a represents the enthalpy of heated feedwater from the economiser and b represents the enthalpy at condenser & n represents the number of heaters?

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Q. If n denotes the number of heater, tᴏᴀ denotes the overall temperature difference & Tfw denotes the total temperature rise of feedwater. The expression for Tfw is?

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Q. The expression for the overall temperature difference Tᴏᴀ is given by?

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Q. Efficiency gain follow the law of ____________

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Q. The number of heaters for a plant is fixed by?

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Q. The effect on the degree of regeneration due to an increase in feedwater temperature is?

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Q. The expression for efficiency when a & b are two constants corresponding to alpha & beta and c corresponds to gamma, is?

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Q. What is the relation between a & c if a & c correspond to alpha & gamma respectively, for maximum efficiency of a cycle?

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Q. The expression for efficiency gain due to regeneration if a, b, n correspond to alpha, beta, cycle efficiency respectively, is?

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Q. Steam is generated in a _____________ boiler at a pressure above the critical point.

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Q. Apart from feedheating, what should a plant have to obtain a gain in thermal efficiency?

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Q. The increment in thermal efficiency compared to the corresponding Subcritical cycle is gained at the expanse of?

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Q. Which of the following needs to be incorporated to prevent the low pressure turbine exhaust wetness from being excessive?

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Q. What is the critical point of steam generation in a “once through” boiler?

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Q. In a typical layout of a 215MW reheat power plant, the feed in the boiler is at?

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