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Higher Study | Power Engineering | Gas and Vapor Power Cycles

Air preheater is a part of
A power plant usually works on
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r]. Assertion [a]: Condenser is an essential equipment in a steam power plant. Reason [r]: For the same mass flow rate and the same pressure rise, a water pump requires substantially less power than a steam compressor.
A fluidized bed combustion system having an output of 35 MW at 80% efficiency when using a coal of heating value 26 MJ/kg with a sulphur content of 3.6% requires a particular limestone to be fed to it at a calcium-sulphur molar ratio of 3.0 so as to limit emissions of SO2 adequately. The limestone used contains 85% CaCO3. The required flow rate of limestone will be
To improve the quality of steam at turbine exit which of the following will be used? 1. Reheat cycle 2. Increase the maximum pressure when maximum and minimum temperatures are fixed 3. Use superheated steam, instead of saturated steam when the maximum and minimum pressures are fixed
Group I shows different heat addition processes in power cycles. Likewise, Group II shows different heat removal processes. Group III lists power cycles. Match items from Groups I, II and III. Group I Group II Group III P. Pressure constant S. Pressure constant 1. Rankine cycle Q. Volume constant T. Volume constant 2. Otto cycle R. Temperature constant U. Temperature constant 3. Carnot cycle     4. Diesel cycle     5. Brayton cycle
What are the effects of regenerative feedwater heating for the same turbine output? 1. It significantly increases the cycle efficiency and reduces the heat rate. 2. It increases the steam flow rate. 3. It increases the steam flow to the condenser. 4. If there is no change of boiler output, the turbine output drops. Select the correct answer using the code given below:
Which of the following statements about unused heat from an energy source in a steam power plant is correct?
Which of the following is a gas power cycle? 1. Refrigeration cycle 2. Brayton cycle 3. Spark ignition cycle
Between Rankine and Carnot cycles, which of the following is NOT a difference?
Brayton cycle, which is the air-standard cycle for gas turbine power plant, consists of the following process:
Which of the following is NOT one of the commonly used equipment for ash handling in large and medium size steam power plants?
Which processes do the Rankine cycle contains?
Which is the most practical fluid for the Rankine cycle
Which of the following feed water treatments is basically one type of thermal treatment?
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