Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is More efficient and less economical Less efficient and more economical More efficient and more economical Less efficient and less economical More efficient and less economical Less efficient and more economical More efficient and more economical Less efficient and less economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Increases Remain unaffected First increases and then decreases Decreases Increases Remain unaffected First increases and then decreases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The rate of steam produced in Benson boiler is 135 tonnes/h 100 tonnes/h 175 tonnes/h 250 tonnes/h 135 tonnes/h 100 tonnes/h 175 tonnes/h 250 tonnes/h ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The draught (in mm of water), for maximum discharge of flue gases through the chimney, is given by (where H = Height of the chimney in meters, and T1 = Absolute temperature of air outside the chimney in K) 88.25H/T1 176.5H/T1 T1 /176.5H T1 /88.25H 88.25H/T1 176.5H/T1 T1 /176.5H T1 /88.25H ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The water tubes in a Babcock and Wilcox boiler are Inclined Vertical Horizontal and inclined Horizontal Inclined Vertical Horizontal and inclined Horizontal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The amount of water evaporated in kg per kg of fuel burnt is called Evaporative capacity of a boiler Boiler efficiency Equivalent evaporation from and at 100° C None of these Evaporative capacity of a boiler Boiler efficiency Equivalent evaporation from and at 100° C None of these ANSWER DOWNLOAD EXAMIANS APP
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