Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is High steam and low water safety valve Lever safety valve Dead weight safety valve Spring loaded safety valve High steam and low water safety valve Lever safety valve Dead weight safety valve Spring loaded safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In reaction turbines, the axial thrust is due to Both (A) and (B) None of these Pressure drop across the rotor Change in axial velocity Both (A) and (B) None of these Pressure drop across the rotor Change in axial velocity ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines O₂ content in atmospheric air on weight basis is 0.3 0.4 0.21 0.23 0.3 0.4 0.21 0.23 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated sufficiently Burnt as powder Heated to its ignition point Burnt in excess air Heated sufficiently Burnt as powder Heated to its ignition point Burnt in excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Non availability of ideal substance Leakage It is not possible to achieve 0°K temperature Frictional losses Non availability of ideal substance Leakage It is not possible to achieve 0°K temperature Frictional losses ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In impulse turbines, when friction is neglected, the relative velocity of steam at outlet tip of the blade is _________ the relative velocity of steam at inlet tip of the blade. Equal to None of these Greater than Less than Equal to None of these Greater than Less than ANSWER DOWNLOAD EXAMIANS APP
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