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 Both (A) and (B) Tandem type compound engine Receiver type compound engine Woolf type compound engine Both (A) and (B) Tandem type compound engine Receiver type compound engine ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Locomotive boiler has __________ diameter. 47.5 mm 5.47 mm 4.75 mm 7.45 mm 47.5 mm 5.47 mm 4.75 mm 7.45 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process Steam may be wet, dry or superheated after expansion All of these Heat transfer takes place across cylinder walls Work is done Steam may be wet, dry or superheated after expansion All of these Heat transfer takes place across cylinder walls Work is done ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser _________ the steam raising capacity of a boiler. Increases None of these Has no effect on Decreases Increases None of these Has no effect on Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 0.67 1.67 0.56 0.4 0.67 1.67 0.56 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The best suited coal for chain or traveling grate stoker boiler is High sulphur coal Coking coal Non-coking or free burning coal Pulverized coal High sulphur coal Coking coal Non-coking or free burning coal Pulverized coal ANSWER DOWNLOAD EXAMIANS APP
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