Steam Boilers, Engines, Nozzles and Turbines In order to reduce the rotor speed of an impulse turbine, the method employed is Pressure compounding All of these Pressure-velocity compounding Velocity compounding Pressure compounding All of these Pressure-velocity compounding Velocity compounding ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The air pressure at the fuel bed is reduced below that of atmosphere by means of a fan placed at or near the bottom of the chimney to produce a draught. Such a draught is called Balanced draught Forced draught Induced draught Natural draught Balanced draught Forced draught Induced draught Natural draught ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder Increases the workdone Increases the mean effective pressure Decreases the efficiency of the engine All of these Increases the workdone Increases the mean effective pressure Decreases the efficiency of the engine All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In fire tube boilers None of these Water passes through the tubes which are surrounded by flames and hot gases Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water None of these Water passes through the tubes which are surrounded by flames and hot gases Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water ANSWER DOWNLOAD EXAMIANS APP
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 ps - pa None of these pa - ps pa + ps ps - pa None of these pa - ps 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 Dose chemicals in feed water Create vacuum at turbine exhaust Pump feed water Create vacuum in furnace Dose chemicals in feed water Create vacuum at turbine exhaust Pump feed water ANSWER DOWNLOAD EXAMIANS APP
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