Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler compared to a fire tube boiler has Less heating surface Equal heating surface Heating surface depends on other parameters More heating surface Less heating surface Equal heating surface Heating surface depends on other parameters More heating surface ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For small power purposes and high speeds For large power purposes For small power purposes and low speeds Where low speeds are required For small power purposes and high speeds For large power purposes For small power purposes and low speeds Where low speeds are required ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Film boiling occurs at Very high pressures Medium pressures Atmospheric pressures Very low pressure Very high pressures Medium pressures Atmospheric pressures Very low pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The bituminous coal is no caking if its carbon content is 81-85% 78-81% 85-90% 90-95% 81-85% 78-81% 85-90% 90-95% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure at which latent heat of vaporisation of water is zero, is 1 kg/cm² Below atmospheric pressure 100 kg/cm² 225.6 kg/cm² 1 kg/cm² Below atmospheric pressure 100 kg/cm² 225.6 kg/cm² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated sufficiently Burnt as powder Heated to its ignition point Burnt in excess air Heated sufficiently Burnt as powder Heated to its ignition point Burnt in excess air ANSWER DOWNLOAD EXAMIANS APP
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