Steam Boilers, Engines, Nozzles and Turbines An air preheater Enables low grade fuel to be burnt All of these Increases the efficiency of the boiler Increases evaporative capacity of the boiler Enables low grade fuel to be burnt All of these Increases the efficiency of the boiler Increases evaporative capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very low pressure, (510 kg/cm²) when throttled to atmosphere will become Dry Superheated Remain dry saturated Wet Dry Superheated Remain dry saturated Wet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of a piston rod is To convert heat energy of the steam into mechanical work To exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending To convert heat energy of the steam into mechanical work To exhaust steam from the cylinder at proper moment To transfer motion from the piston to the cross head To guide motion of the piston rod and to prevent it from bending ANSWER DOWNLOAD EXAMIANS APP
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 Velocity compounding Pressure-velocity compounding Pressure compounding All of these Velocity compounding Pressure-velocity compounding ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Externally fired boiler Internally fired boiler Forced circulation boiler Natural circulation boiler Externally fired boiler Internally fired boiler Forced circulation boiler Natural circulation boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure compounded impulse turbine as compared to velocity compounded turbine require __________ number of stages. Same None of these Less More Same None of these Less More ANSWER DOWNLOAD EXAMIANS APP
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