Steam Boilers, Engines, Nozzles and Turbines Caking coals are those which Form lumps or masses of coke Show little or no fusing action Burn completely Burn freely Form lumps or masses of coke Show little or no fusing action Burn completely Burn freely ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Lower value Same value Higher value Lower/higher depending on steam flow Lower value Same value Higher value Lower/higher depending on steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The dry saturated steam at very high pressure (150200 kg/cm²) when throttled to atmosphere will become Remain dry saturated Superheated Wet Dry Remain dry saturated Superheated Wet Dry ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of whirl at outlet for an axial discharge turbine is Zero None of these Maximum Minimum Zero None of these Maximum Minimum ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The overall efficiency of thermal power plant is Regenerative cycle efficiency Carnot cycle efficiency All the three above plus gas cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency Regenerative cycle efficiency Carnot cycle efficiency All the three above plus gas cycle efficiency Boiler efficiency, turbine efficiency, generator efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In locomotives, the draught is produced by Both combined (A) and (B) Induced draft fan Steam jet draught Chimney Both combined (A) and (B) Induced draft fan Steam jet draught Chimney ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS