Steam Boilers, Engines, Nozzles and Turbines The ratio of the workdone on the blades to the energy supplied to the blades, is called Mechanical efficiency Blading efficiency Nozzle efficiency Gross or stage efficiency Mechanical efficiency Blading efficiency Nozzle efficiency Gross or stage efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A stage, in reaction turbine, is represented by Number of entries of steam Each row of blades Number of casing Number of exits of steam Number of entries of steam Each row of blades Number of casing Number of exits of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following are boiler accessories? None of these Economizer Both (A) and (B) Superheater None of these Economizer Both (A) and (B) Superheater ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Burnt as powder Heated sufficiently Burnt in excess air Heated to its ignition point Burnt as powder Heated sufficiently Burnt in excess air Heated to its ignition point ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Locomotive boiler has __________ diameter. 4.75 mm 5.47 mm 47.5 mm 7.45 mm 4.75 mm 5.47 mm 47.5 mm 7.45 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler. More Less None of these Equal More Less None of these Equal ANSWER DOWNLOAD EXAMIANS APP
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