Steam Boilers, Engines, Nozzles and Turbines The efficiency of a boiler is defined as Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of the heat liberated in the furnace to the heat actually used in producing steam None of these Ratio of heat actually used in producing steam to the heat liberated in the furnace Ratio of the mass of steam produced to the mass of total water supplied in a given time Ratio of the heat liberated in the furnace to the heat actually used in producing steam None of these Ratio of heat actually used in producing steam to the heat liberated in the furnace 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 Cut-off governing By-pass governing None of these Throttle governing Cut-off governing By-pass governing None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The effect of friction in the nozzle ___ dryness fraction of steam. None of the listed here Decreases Increases Has no effect on None of the listed here Decreases Increases Has no effect on ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Outside diameter and inside diameter Outside diameter and thickness Mean diameter and thickness Inside diameter and thickness Outside diameter and inside diameter Outside diameter and thickness Mean diameter and thickness Inside diameter and thickness ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Feed check valve Injector Pressure gauge Feed pump Feed check valve Injector Pressure gauge Feed pump ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The number of water level indicators in a boiler are generally __________ in number. One Two Four Three One Two Four Three ANSWER DOWNLOAD EXAMIANS APP
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