Steam Boilers, Engines, Nozzles and Turbines In an ideal impulse turbine, the Axial velocity at inlet is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Uneconomical Economical Essential Desirable Uneconomical Economical Essential Desirable ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the actual vacuum to the ideal vacuum in a condenser is called Nozzle efficiency Condenser efficiency Vacuum efficiency Boiler efficiency Nozzle efficiency Condenser efficiency Vacuum efficiency Boiler efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a Slow speed engine Medium speed steam engine None of the listed here High speed steam engine Slow speed engine Medium speed steam engine None of the listed here High speed steam engine 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 Nozzle efficiency Blading efficiency Stage efficiency Mechanical efficiency Nozzle efficiency Blading efficiency Stage efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The value of the reheat factor varies from 1.08 to 1.10 1.2 to 1.6 1.6 to 2 1.02 to 1.06 1.08 to 1.10 1.2 to 1.6 1.6 to 2 1.02 to 1.06 ANSWER DOWNLOAD EXAMIANS APP
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