Steam Boilers, Engines, Nozzles and Turbines Caking coals are those which Form lumps or masses of coke Show little or no fusing action Burn freely Burn completely Form lumps or masses of coke Show little or no fusing action Burn freely Burn completely ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat equivalent to brake power to the energy supplied in steam is known as Mechanical efficiency Overall efficiency Indicated thermal efficiency Brake thermal efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency Brake thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure. None of these Equal to Lower than Higher than None of these Equal to Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In an impulse turbine, steam expands None of these Partly in the nozzle and partly in blades Wholly in nozzle Wholly in blades None of these Partly in the nozzle and partly in blades Wholly in nozzle Wholly in blades ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following statement is correct for steam turbines as compared to reciprocating steam engines? A steam turbine develops higher speeds The efficiency of steam turbine is higher All of these The steam consumption is less A steam turbine develops higher speeds The efficiency of steam turbine is higher All of these The steam consumption is less 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 Receiver type compound engine Tandem type compound engine Both (A) and (B) Woolf type compound engine Receiver type compound engine Tandem type compound engine Both (A) and (B) Woolf type compound engine ANSWER DOWNLOAD EXAMIANS APP