Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Non availability of ideal substance It is not possible to achieve 0°K temperature Leakage Frictional losses Non availability of ideal substance It is not possible to achieve 0°K temperature Leakage Frictional losses ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines There is always some steam left in the clearance space from the previous stroke. This steam left in the clearance space is called Wet steam Cushion steam Superheated steam Saturated steam Wet steam Cushion steam Superheated steam Saturated steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor) pa = pm/K pa = K/pm pa = pm + K pa = pm × K pa = pm/K pa = K/pm pa = pm + K pa = pm × K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of superheated tubes in a locomotive boiler is 13 mm 31 mm 130 mm 230 mm 13 mm 31 mm 130 mm 230 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. Increases None of these Decreases Has no effect on Increases None of these Decreases Has no effect on ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Reduce exit losses Reduce speed of rotor Improve efficiency All of these Reduce exit losses Reduce speed of rotor Improve efficiency All of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS