Steam Boilers, Engines, Nozzles and Turbines Water boils when its vapor pressure Equals the pressure of water in the container Equals that of the surroundings Equals 760 mm of mercury Equals to atmospheric pressure Equals the pressure of water in the container Equals that of the surroundings Equals 760 mm of mercury Equals to atmospheric pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of All of these Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash All of these Heat carried away by flue gases Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The blade friction in the impulse turbine reduces the velocity of steam by __________ while it passes over the blades. 30 to 40% 15 to 20% 10 to 15% 20 to 30% 30 to 40% 15 to 20% 10 to 15% 20 to 30% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure at which latent heat of vaporisation is zero is 225.65 kgf/ cm² 273 kgf/ cm² 1 kgf/ cm² 100 kgf/ cm² 225.65 kgf/ cm² 273 kgf/ cm² 1 kgf/ cm² 100 kgf/ cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 500-600°C Atmospheric temperature 700-850°C 950-1100°C 500-600°C Atmospheric temperature 700-850°C 950-1100°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A compound steam engine in which piston rods of high pressure and low pressure cylinders ' are attached to two different cranks set at 180° to each other, is called Woolf type compound engine Tandem type compound engine Receiver type compound engine Both (A) and (B) Woolf type compound engine Tandem type compound engine Receiver type compound engine Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
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