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) p₂/p₁ p₁/p₂ p₁ + p₂ p₁. p₂ p₂/p₁ p₁/p₂ p₁ + p₂ p₁. p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 1 kg.m is equal to None of these 102 Joules 427 Joules 9.81 Joules None of these 102 Joules 427 Joules 9.81 Joules ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The condition of steam in boiler drum is always Saturated Supersaturated Dry Wet Saturated Supersaturated Dry Wet ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Spontaneous combustion is a phenomenon in which Fuel burns with less air All the fuel burns instantaneously producing high energy release Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal Explosion in furnace Fuel burns with less air All the fuel burns instantaneously producing high energy release Coal bursts into flame without any external ignition source but by itself due to gradual increase in temperature as a result of heat released by combination of oxygen with coal Explosion in furnace 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. None of these Greater than Equal to Less than None of these Greater than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The coal requirement per kW hour generation in the thermal power plant is of the order of 0.2 to 0.4 kg 0.1 to 0.2 kg 1.0 to 1.5 kg 0.6 to 0.8 kg 0.2 to 0.4 kg 0.1 to 0.2 kg 1.0 to 1.5 kg 0.6 to 0.8 kg ANSWER DOWNLOAD EXAMIANS APP