Steam Boilers, Engines, Nozzles and Turbines Film boiling occurs at Medium pressures Very high pressures Atmospheric pressures Very low pressure Medium pressures Very high pressures Atmospheric pressures Very low pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder condensation or missing quantity may be reduced by All of these The efficient steam jacketing of the cylinder walls Keeping the expansion ratio small in each cylinder Superheating the steam supplied to the engine cylinder All of these The efficient steam jacketing of the cylinder walls Keeping the expansion ratio small in each cylinder Superheating the steam supplied to the engine cylinder 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 Velocity compounding Pressure compounding Pressure-velocity compounding All of these Velocity compounding Pressure compounding Pressure-velocity compounding All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following gases has the highest calorific value? Coal gas Blast furnace gas Water gas Producer gas Coal gas Blast furnace gas Water gas Producer gas ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum discharge through a chimney occurs when the height of chimney is Equal to the height of the hot gas column producing draught Outside temperature is very low Infinitely long Around 200 meters Equal to the height of the hot gas column producing draught Outside temperature is very low Infinitely long Around 200 meters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater Enables low grade fuel to be burnt Increases the efficiency of the boiler All of these Increases evaporative capacity of the boiler Enables low grade fuel to be burnt Increases the efficiency of the boiler All of these Increases evaporative capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
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