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 Nozzle efficiency Stage efficiency Mechanical efficiency Blading efficiency Nozzle efficiency Stage efficiency Mechanical efficiency Blading efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The value of diagram factor depends upon Initial pressure of steam All of these Initial conditions of steam Back pressure Initial pressure of steam All of these Initial conditions of steam Back pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Curtis turbine is a Pressure-velocity compounded turbine Pressure compounded turbine Simple reaction turbine Velocity compounded turbine Pressure-velocity compounded turbine Pressure compounded turbine Simple reaction turbine Velocity compounded turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder All of these Increases the workdone Decreases the efficiency of the engine Increases the mean effective pressure All of these Increases the workdone Decreases the efficiency of the engine Increases the mean effective pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is a fire tube boiler? Lancashire boiler Babcock and Wilcox boiler None of these Yarrow boiler Lancashire boiler Babcock and Wilcox boiler None of these Yarrow boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of (i) Furnace water wall (ii) Boiler tank (iii) Superheater (iv) Economizer (v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 20 : 48 : 7 : 15 : 10 10 : 7 : 15 : 20 : 48 7 : 15 : 20 : 10 : 48 48 : 20 : 15 : 7 : 10 ANSWER DOWNLOAD EXAMIANS APP
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