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 90° to each other, is called Woolf type compound engine Receiver type compound engine Both (A) and (B) Tandem type compound engine Woolf type compound engine Receiver type compound engine Both (A) and (B) Tandem type compound engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. Increases Has no effect on Decreases None of these Increases Has no effect on Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Calorific value of coal is of the order of 800-1200 kcal/ kg 5000-8000 kcal/ kg 200-400 kcal/ kg 2000-4000 kcal/ kg 800-1200 kcal/ kg 5000-8000 kcal/ kg 200-400 kcal/ kg 2000-4000 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The condition of steam in boiler drum is always Supersaturated Wet Saturated Dry Supersaturated Wet Saturated Dry ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam in water tube boiler as compared to fire tube boiler Is raised at same rate Could be raised at fast/slow rate depending on design Can be raised rapidly Is raised at slower rate Is raised at same rate Could be raised at fast/slow rate depending on design Can be raised rapidly Is raised at slower rate ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of brake power to the indicated power is known as Brake thermal efficiency Mechanical efficiency Indicated thermal efficiency Overall efficiency Brake thermal efficiency Mechanical efficiency Indicated thermal efficiency Overall efficiency ANSWER DOWNLOAD EXAMIANS APP
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