Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Cut-off ratio None of these Clearance ratio Expansion ratio Cut-off ratio None of these Clearance ratio Expansion ratio ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Approach temperature should be as low as possible Heat transfer area should be optimum Handling and maintenance should be easier Stack gases should not be cooled to the dew point Approach temperature should be as low as possible Heat transfer area should be optimum Handling and maintenance should be easier Stack gases should not be cooled to the dew point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Horizontal fire tube type Horizontal water tube type Forced circulation type Vertical fire tube type Horizontal fire tube type Horizontal water tube type Forced circulation type Vertical fire tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of brake power to the indicated power is known as Indicated thermal efficiency Overall efficiency Mechanical efficiency Brake thermal efficiency Indicated thermal efficiency Overall efficiency Mechanical efficiency Brake thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The three "Ts" for good combustion are Total air, true fuel, and turbulence Thorough mixing, total air and temperature Temperature, time, and turbulence Total air, time, and temperature Total air, true fuel, and turbulence Thorough mixing, total air and temperature Temperature, time, and turbulence Total air, time, and temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio for gases is 0.528 0.546 0.582 0.577 0.528 0.546 0.582 0.577 ANSWER DOWNLOAD EXAMIANS APP
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