Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Lower/higher depending on steam flow Lower value Same value Higher value Lower/higher depending on steam flow Lower value Same value Higher value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser in a boiler Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow Decreases steam pressure Decreases fuel consumption Increases steam pressure Increases steam flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The change in internal energy in steam engines equals to Change in enthalpy 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 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 Overall efficiency Mechanical efficiency Indicated thermal efficiency Brake thermal efficiency Overall efficiency Mechanical efficiency Indicated thermal efficiency Brake thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of total useful heat drop to the total isentropic heat drop, is called Stage efficiency Internal efficiency None of these Rankine efficiency Stage efficiency Internal efficiency None of these Rankine efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? All of these The efficiency of steam turbine is higher The steam consumption is less A steam turbine develops higher speeds All of these The efficiency of steam turbine is higher The steam consumption is less A steam turbine develops higher speeds ANSWER DOWNLOAD EXAMIANS APP