Steam Boilers, Engines, Nozzles and Turbines If partial pressure of air and steam be ‘pa’ and ‘ps’ respectively in a condenser, then according to Dalton's law, the pressure in condenser is equal to pa + ps ps - pa None of these pa - ps pa + ps ps - pa None of these pa - ps ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small steam plants is to Create vacuum in furnace Create vacuum at turbine exhaust Pump feed water Dose chemicals in feed water Create vacuum in furnace Create vacuum at turbine exhaust Pump feed water Dose chemicals in feed water ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure velocity compounded impulse turbine allows a bigger pressure drop and hence __________ numbers of stages are required. More None of the listed here Less Equal More None of the listed here Less Equal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following compound steam engine requires a smaller flywheel? All of these Woolf type Tandem type Receiver type All of these Woolf type Tandem type Receiver type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion All of these Work is done Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion All of these Work is done ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 ANSWER DOWNLOAD EXAMIANS APP
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