Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine when the degree of reaction is zero, then there is Maximum heat drop in fixed blades No heat drop in fixed blades No heat drop in moving blades Maximum heat drop in moving blades Maximum heat drop in fixed blades No heat drop in fixed blades No heat drop in moving blades Maximum heat drop in moving blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the work-done on the blades per kg of steam to the total energy supplied per stage per kg of steam is called Stage efficiency Nozzle efficiency Blading efficiency Mechanical efficiency Stage efficiency Nozzle efficiency Blading efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal Remain constant Decreases May increase or decrease depending upon the method of storage Increases Remain constant Decreases May increase or decrease depending upon the method of storage Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a reaction turbine The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The pressure and temperature of steam remains constant The steam is allowed to expand in the nozzle, where it gives a high velocity before it enters the moving blades The expansion of steam takes place partly in the fixed blades and partly in the moving blades The steam is expanded from a high pressure to a condenser pressure in one or more nozzles The pressure and temperature of steam remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve at superheater as compared to drum safety valve setting is set at Same value Any value Lower value Higher value Same value Any value Lower value Higher value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylindrical shell of a Lancashire boiler has diameter from 1 to 2 m 1.75 to 2.75 m 1.25 to 2.25 m 1.5 to 2.5 m 1 to 2 m 1.75 to 2.75 m 1.25 to 2.25 m 1.5 to 2.5 m ANSWER DOWNLOAD EXAMIANS APP
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