Steam Boilers, Engines, Nozzles and Turbines In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is 0.053 bar 0.067 bar 0.007 bar 0.06 bar 0.053 bar 0.067 bar 0.007 bar 0.06 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a De-Laval nozzle expanding superheated steam from 10 bar to 0.1 bar, the pressure at the minimum cross-section (i. e. pressure at throat, pā) will be 5.46 bar 3.3 bar 9.9 bar 8.2 bar 5.46 bar 3.3 bar 9.9 bar 8.2 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a velocity compounded impulse turbine, when steam flows through the second row of moving blades, Velocity decreases Pressure remains constant Velocity increases Velocity remains constant Velocity decreases Pressure remains constant Velocity increases Velocity remains constant ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The height of chimney in a power plant is governed by Limitation of construction facilities Quantity of flue gases to be handled The draft to be created Control of pollution Limitation of construction facilities Quantity of flue gases to be handled The draft to be created Control of pollution ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the energy required to produce the artificial draught (expressed in meters head or J/kg of flue gas) to the mechanical equivalent of extra heat carried away per kg of flue gases due to natural draught, is known as Power of the boiler Efficiency of the fan Efficiency of the boiler Efficiency of the chimney Power of the boiler Efficiency of the fan Efficiency of the boiler Efficiency of the chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The actual vacuum in a condenser is equal to Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure - actual pressure Barometric pressure + actual pressure Gauge pressure - atmospheric pressure Gauge pressure + atmospheric pressure Barometric pressure - actual pressure Barometric pressure + actual pressure ANSWER DOWNLOAD EXAMIANS APP
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