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 Economize on fuel Increase flue gas temperature Increase thermal efficiency of boiler Extract heat from the exhaust flue gases Economize on fuel Increase flue gas temperature ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Outside diameter and inside diameter Mean diameter and thickness Outside diameter and thickness Inside diameter and thickness Outside diameter and inside diameter Mean diameter and thickness Outside diameter and thickness Inside diameter and thickness 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 180° to each other, is called Tandem type compound engine Both (A) and (B) Receiver type compound engine Woolf type compound engine Tandem type compound engine Both (A) and (B) Receiver type compound engine Woolf type compound engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The nozzle efficiency is the ratio of Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades to the energy supplied to the blades Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam Workdone on the blades per kg of steam to the total energy supplied per stage per kg of steam None of these Workdone on the blades to the energy supplied to the blades Energy supplied to the blades per kg of steam to the total energy supplied per stage per kg of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Scotch marine boiler are None of the listed here Vertical Inclined Horizontal None of the listed here Vertical Inclined Horizontal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam in water tube boiler as compared to fire tube boiler Is raised at slower rate Could be raised at fast/slow rate depending on design Can be raised rapidly Is raised at same rate Is raised at slower rate Could be raised at fast/slow rate depending on design Can be raised rapidly Is raised at same rate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS