Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Mechanical efficiency Nozzle efficiency Gross or stage efficiency Blading efficiency Mechanical efficiency Nozzle efficiency Gross or stage efficiency Blading efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water boils when its vapor pressure Equals to atmospheric pressure Equals that of the surroundings Equals the pressure of water in the container Equals 760 mm of mercury Equals to atmospheric pressure Equals that of the surroundings Equals the pressure of water in the container Equals 760 mm of mercury ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The saturation temperature of steam with increase in pressure increases Slowly first and then rapidly Rapidly first and then slowly Inversely Linearly Slowly first and then rapidly Rapidly first and then slowly Inversely Linearly ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Willian's law states that the steam consumption per hour provided with a throttled governor is proportional to (where I.P. = Indicated power) 1/(I.P)² (I.P.)² I.P. 1/(I.P) 1/(I.P)² (I.P.)² I.P. 1/(I.P) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The water tubes in a Babcock and Wilcox boiler are Horizontal and inclined Inclined Vertical Horizontal Horizontal and inclined Inclined Vertical Horizontal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In fire tube boilers None of these Water passes through the tubes which are surrounded by flames and hot gases Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water None of these Water passes through the tubes which are surrounded by flames and hot gases Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water ANSWER DOWNLOAD EXAMIANS APP