Steam Boilers, Engines, Nozzles and Turbines The process of draining steam from the turbine, at certain points during its expansion and using this steam for heating the feed water in feed water heaters and then supplying it to the boiler is known as Regenerative heating None of these Bleeding Reheating of steam Regenerative heating None of these Bleeding Reheating of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Burnt as powder Heated sufficiently Heated to its ignition point Burnt in excess air Burnt as powder Heated sufficiently Heated to its ignition point Burnt in excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For large power purposes Where low speeds are required For small power purposes and high speeds For small power purposes and low speeds For large power purposes Where low speeds are required For small power purposes and high speeds For small power purposes and low speeds 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 Pulverized coal Non-coking or free burning coal High sulphur coal Coking coal Pulverized coal Non-coking or free burning coal ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Fouling of heat transfer surfaces High calorific value coal being burnt Raising of steam temperature Higher effectiveness of boiler Fouling of heat transfer surfaces High calorific value coal being burnt Raising of steam temperature Higher effectiveness of boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the clearance volume to the swept volume is called Expansion ratio Clearance ratio Cut-off ratio None of these Expansion ratio Clearance ratio Cut-off ratio None of these ANSWER DOWNLOAD EXAMIANS APP
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