Steam Boilers, Engines, Nozzles and Turbines The pressure of steam __________ while flowing through a nozzle. Increases Decreases None of these Remains constant Increases Decreases None of these Remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Superheating of steam is done at Constant entropy Constant temperature Constant volume Constant pressure Constant entropy Constant temperature Constant volume Constant pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity ‘V’ at inlet) Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α Vb = V² cos α Vb = 0.5 V cosα Vb = 0.5 V² cosα Vb = V cos α Vb = V² cos α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following varieties of coals is mostly used in steam boilers? Peat Brown coal Non-coking bituminous coal None of the listed here Peat Brown coal Non-coking bituminous coal None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum design working pressure of 1 kg/cm 17 kg/cm² 6 kg/cm 100 kg/cm² 1 kg/cm 17 kg/cm² 6 kg/cm 100 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called None of these Cut-off ratio Expansion ratio Clearance ratio None of these Cut-off ratio Expansion ratio Clearance ratio ANSWER DOWNLOAD EXAMIANS APP
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