Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of It is not possible to achieve 0°K temperature Leakage Non availability of ideal substance Frictional losses It is not possible to achieve 0°K temperature Leakage Non availability of ideal substance Frictional losses ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by V = 2g H' V = 2g/H' V = H'/2g V = 2gH' V = 2g H' V = 2g/H' V = H'/2g V = 2gH' ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Caking coals are those which Burn freely Burn completely Show little or no fusing action Form lumps or masses of coke Burn freely Burn completely Show little or no fusing action Form lumps or masses of coke ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The water tubes in a simple vertical boiler are Inclined Vertical Horizontal None of the listed here Inclined Vertical Horizontal None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be None of these Over-damping Under-damping Choked None of these Over-damping Under-damping Choked ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is Less efficient and less economical More efficient and more economical Less efficient and more economical More efficient and less economical Less efficient and less economical More efficient and more economical Less efficient and more economical More efficient and less economical ANSWER DOWNLOAD EXAMIANS APP
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