Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 188 m/s 900 m/s 450 m/s 79 m/s 188 m/s 900 m/s 450 m/s 79 m/s ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device in which some portion of waste heat of flue gases is recovered to heat the air before it passes to the furnace for combustion purpose, is known as Air-preheater Injector Economizer Superheater Air-preheater Injector Economizer Superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Rateau turbine is Velocity compounded turbine Simple reaction turbine Pressure compounded turbine Pressure-velocity compounded turbine Velocity compounded turbine Simple reaction turbine Pressure compounded turbine Pressure-velocity compounded turbine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A device used to increase the temperature of saturated steam without raising its pressure, is called Superheater Blow off cock Stop valve Fusible plug Superheater Blow off cock Stop valve Fusible plug ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is not a boiler mounting? Fusible plug Feed check valve Economiser Blow off cock Fusible plug Feed check valve Economiser Blow off cock ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Water passes through the tubes and flue gases around it Work is done during adiabatic expansion Flue gases pass through tubes and water around it Change in enthalpy Water passes through the tubes and flue gases around it Work is done during adiabatic expansion Flue gases pass through tubes and water around it Change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
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