Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine The steam is expanded both in fixed and moving blades continuously The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded in moving blades only The pressure and temperature of steam remains constant The steam is expanded both in fixed and moving blades continuously The steam is expanded in nozzles only and there is a pressure drop and heat drop The steam is expanded in moving blades only The pressure and temperature of steam remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity decreases Velocity increases Velocity remains constant Pressure remains constant Velocity decreases Velocity increases Velocity remains constant Pressure remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines All steam engines work on Zeroth law of thermodynamics Second law of thermodynamics None of the listed here First law of thermodynamics Zeroth law of thermodynamics Second law of thermodynamics None of the listed here First law of thermodynamics ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of a cylindrical shell of a Scotch marine boiler varies from 2.5 to 3.5 m 3.5 to 4.5 m 1.5 to 2 m None of these 2.5 to 3.5 m 3.5 to 4.5 m 1.5 to 2 m None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure + actual pressure Barometric pressure - actual pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The expansion of steam, as it flows over the blades in reaction turbine, represents Isentropic process Free expansion process Isothermal process Throttling process Isentropic process Free expansion process Isothermal process Throttling process ANSWER DOWNLOAD EXAMIANS APP
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