Steam Boilers, Engines, Nozzles and Turbines The coal requirement per kW hour generation in the thermal power plant is of the order of 0.6 to 0.8 kg 0.2 to 0.4 kg 0.1 to 0.2 kg 1.0 to 1.5 kg 0.6 to 0.8 kg 0.2 to 0.4 kg 0.1 to 0.2 kg 1.0 to 1.5 kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The aim of a compound steam engine is To reduce the temperature range in each cylinder To reduce the ratio of expansion in each cylinder All of these To reduce the length of stroke To reduce the temperature range in each cylinder To reduce the ratio of expansion in each cylinder All of these To reduce the length of stroke ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. Has no effect on None of these Decreases Increases Has no effect on None of these Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as Throttle governing None of these Cut-off governing By-pass governing Throttle governing None of these Cut-off governing By-pass governing ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be Over-damping None of these Under-damping Choked Over-damping None of these Under-damping Choked ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of a thermal power plant is of the order of 0.15 0.3 0.45 0.2 0.15 0.3 0.45 0.2 ANSWER DOWNLOAD EXAMIANS APP
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