Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Dead weight safety valve High steam and low water safety valve Lever safety valve Spring loaded safety valve Dead weight safety valve High steam and low water safety valve Lever safety valve Spring loaded safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating wet steam at constant temperature is heating it at constant Pressure Entropy Volume Enthalpy Pressure Entropy Volume Enthalpy ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an ideal impulse turbine, the Axial velocity at inlet is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet Axial velocity at inlet is equal to that at the outlet Absolute velocity at the inlet of moving blade is equal to that at the outlet Whirl velocity at inlet is equal to that at the outlet Relative velocity at the inlet of the moving blade is equal to that at the outlet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a boiler, feed water supplied per hour is 205 kg while coal fired per hour is 23 kg. The net enthalpy rise per kg of water is 145 kJ. If the calorific valve of the coal is 2050 kJ/kg, then the boiler efficiency will be 0.63 0.78 0.56 0.74 0.63 0.78 0.56 0.74 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Economical Uneconomical Essential Desirable Economical Uneconomical Essential Desirable ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At which pressure the properties of water and steam become identical 225.6 kg/cm² 1 kg/cm² 100 kg/cm² 0.1 kg/cm² 225.6 kg/cm² 1 kg/cm² 100 kg/cm² 0.1 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
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