Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat Equal to the velocity of sound None of these Less than the velocity of sound More than the velocity of sound Equal to the velocity of sound None of these Less than the velocity of sound More than the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The main object of a boiler trial is All of these To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler To determine the generating capacity of the boiler All of these To determine the thermal efficiency of the boiler when working at a definite pressure To prepare heat balance sheet for the boiler To determine the generating capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of Cornish boiler is of the order of 1.52.5 m 12 m 2.53.5 m 23 m 1.52.5 m 12 m 2.53.5 m 23 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following compound steam engine requires a smaller flywheel? Receiver type Tandem type All of these Woolf type Receiver type Tandem type All of these Woolf type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 10.05 6.65 1.05 2.86 10.05 6.65 1.05 2.86 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Leakage It is not possible to achieve 0°K temperature Non availability of ideal substance Frictional losses Leakage It is not possible to achieve 0°K temperature Non availability of ideal substance Frictional losses ANSWER DOWNLOAD EXAMIANS APP
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