Steam Boilers, Engines, Nozzles and Turbines The crown of the fire box is made hemispherical in order to Give maximum space Resist intense heat in fire box Withstand pressure inside boiler Give maximum strength Give maximum space Resist intense heat in fire box Withstand pressure inside boiler Give maximum strength ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The condition of steam in boiler drum is always Saturated Supersaturated Wet Dry Saturated Supersaturated Wet Dry ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the total heat of steam is h kJ/kg and the sensible heat of feed water is hf1 kJ/kg, then the factor of evaporation is given by (h + hf1)/2257 None of these (h - hf1)/2257 (h × hf1)/2257 (h + hf1)/2257 None of these (h - hf1)/2257 (h × hf1)/2257 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement indicates the difference between Cornish boiler and Lancashire boiler? Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler Cornish boiler has two flue tubes whereas Lancashire boiler has one flue tube Cornish boiler has one flue tube whereas Lancashire boiler has two flue tubes Cornish boiler is a water tube boiler whereas Lancashire boiler is a fire tube boiler Cornish boiler is a fire tube boiler whereas Lancashire boiler is a water tube boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the crankshaft is between 100 r.p.m. and 250 r.p.m., the engine said to be a Medium speed steam engine Slow speed engine None of the listed here High speed steam engine Medium speed steam engine Slow speed engine None of the listed here High speed steam engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction in the nozzle __________ exit velocity of steam. Increases Has no effect on None of these Decreases Increases Has no effect on None of these Decreases ANSWER DOWNLOAD EXAMIANS APP