Steam Boilers, Engines, Nozzles and Turbines Calorific value of coal is of the order of 200-400 kcal/ kg 5000-8000 kcal/ kg 800-1200 kcal/ kg 2000-4000 kcal/ kg 200-400 kcal/ kg 5000-8000 kcal/ kg 800-1200 kcal/ kg 2000-4000 kcal/ kg 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 90° to each other, is called 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 Woolf type compound engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler parameters are expressed by Temperature of steam in °C Pressure of steam in kg/cm² All of these Tonnes/hr. of steam Temperature of steam in °C Pressure of steam in kg/cm² All of these Tonnes/hr. of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The economiser is used in boilers to Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Increase flue gas temperature Economize on fuel ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The capacity of induced draft fan compared to forced draft fan in a boiler is Same Less or more depending on size of boiler Less More Same Less or more depending on size of boiler Less More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The object of producing draught in a boiler is To provide an adequate supply of air for the fuel combustion All of the listed here To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber To provide an adequate supply of air for the fuel combustion All of the listed here To discharge the gases of combustion to the atmosphere through the chimney To exhaust the gases of combustion from the combustion chamber ANSWER DOWNLOAD EXAMIANS APP
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