Steam Boilers, Engines, Nozzles and Turbines The ratio of the volume at cut-off to the swept volume is called Clearance ratio Expansion ratio None of these Cut-off ratio Clearance ratio Expansion ratio None of these Cut-off ratio ANSWER DOWNLOAD EXAMIANS APP
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 Frictional losses Non availability of ideal substance It is not possible to achieve 0°K temperature Leakage Frictional losses Non availability of ideal substance ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The latent heat of steam with increase of pressure Remain same Behaves unpredictably Increases Decreases Remain same Behaves unpredictably Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Twice Equal to Four times Three times Twice Equal to Four times Three times ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure. Equal to Higher than Lower than None of these Equal to Higher than Lower than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder condensation or missing quantity may be reduced by The efficient steam jacketing of the cylinder walls Superheating the steam supplied to the engine cylinder Keeping the expansion ratio small in each cylinder All of these The efficient steam jacketing of the cylinder walls Superheating the steam supplied to the engine cylinder Keeping the expansion ratio small in each cylinder All of these ANSWER DOWNLOAD EXAMIANS APP
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