Steam Boilers, Engines, Nozzles and Turbines In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. Higher than None of these Lower than Equal to Higher than None of these Lower than Equal to ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The numbers of fire tubes in a Cochran boiler are 75 165 115 225 75 165 115 225 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A wet vapor can be completely specified by Temperature only Dryness fraction only Pressure and dryness fraction Pressure only Temperature only Dryness fraction only Pressure and dryness fraction Pressure only ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up the wrong statement about water tube boiler in comparison to fire tube boilers Former occupies less space for same power Rate of steam flow is more in former case Former is used for high installed capacity Chances of explosion are less in former case Former occupies less space for same power Rate of steam flow is more in former case Former is used for high installed capacity Chances of explosion are less in former case ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The size of a boiler drum in pulverized fuel fired boiler, as its size and capacity, (steam pressure and flow ratings) increase Remains unchanged Increases Decreases Increases/decreases depending on steam temperature requirements Remains unchanged Increases Decreases Increases/decreases depending on steam temperature requirements ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The nozzle efficiency is the ratio of Workdone on the blades to the energy supplied to the blades Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades to the energy supplied to the blades Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam None of these ANSWER DOWNLOAD EXAMIANS APP
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