Steam Boilers, Engines, Nozzles and Turbines The ratio of the actual vacuum to the ideal vacuum in a condenser is called Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Feed water conditioning in thermal power plants in done to Reduce hardness and for removal of solids Increase steam parameters Increase efficiency of thermal power plant Increase heat transfer rate Reduce hardness and for removal of solids Increase steam parameters Increase efficiency of thermal power plant Increase heat transfer rate ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The saturation temperature of steam with increase in pressure increases Slowly first and then rapidly Inversely Linearly Rapidly first and then slowly Slowly first and then rapidly Inversely Linearly Rapidly first and then slowly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In order to obtain superheated steam, a superheater is added in an existing boiler. As as result, furnace vacuum will Remain unaffected May improve/worsen depending on size Improve Worsen Remain unaffected May improve/worsen depending on size Improve Worsen ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Work done during the Rankine cycle Work done during compression Work done during adiabatic expansion Change in enthalpy Work done during the Rankine cycle Work done during compression Work done during adiabatic expansion Change in enthalpy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat equivalent to brake power to the energy supplied in steam is known as Indicated thermal efficiency Overall efficiency Brake thermal efficiency Mechanical efficiency Indicated thermal efficiency Overall efficiency Brake thermal efficiency Mechanical efficiency ANSWER DOWNLOAD EXAMIANS APP
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