Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Vacuum efficiency Boiler efficiency Condenser efficiency Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat Equal to the velocity of sound More than the velocity of sound None of these Less than the velocity of sound Equal to the velocity of sound More than the velocity of sound None of these Less than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of fire tube of Cornish boiler compared to its shell is One fourth One half One third One fifth One fourth One half One third One fifth ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve usually employed with stationary boilers is All of the listed here Dead weight safety valve High steam and low water safety valve Lever safety valve All of the listed here Dead weight safety valve High steam and low water safety valve Lever safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to reduce the rotor speed of an impulse turbine, the method employed is Velocity compounding All of these Pressure compounding Pressure-velocity compounding Velocity compounding All of these Pressure compounding Pressure-velocity compounding ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a single acting steam engine The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted, in turn, on both sides of the piston and one working stroke is produced during each revolution of the crankshaft The steam is admitted on one side of the piston and two working strokes are produced during each revolution of the crankshaft The steam is admitted on one side of the piston and one working stroke is produced during each revolution of the crankshaft ANSWER DOWNLOAD EXAMIANS APP