Steam Boilers, Engines, Nozzles and Turbines The length of shell of a Locomotive boiler is 1 m 2 m 3 m 4 m 1 m 2 m 3 m 4 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a Woolf type compound engine, the high pressure and low pressure cylinders Are set in V arrangement Have separate piston rod Have common piston rod Are set at 90° Are set in V arrangement Have separate piston rod Have common piston rod Are set at 90° ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁ + p₂ p₁/p₂ p₂/p₁ p₁. p₂ p₁ + p₂ p₁/p₂ p₂/p₁ p₁. p₂ 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 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 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 0.74 0.56 0.63 0.78 0.74 0.56 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat balance sheet for the boiler shows the All of these Steam formed by combustion of hydrogen per kg of fuel Moisture present in the fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed All of these Steam formed by combustion of hydrogen per kg of fuel Moisture present in the fuel Complete account of heat supplied by 1 kg of dry fuel and the heat consumed ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS