Steam Boilers, Engines, Nozzles and Turbines Expanding steam to a very low pressure (high vacuum) in steam engines is Economical Desirable Uneconomical Essential Economical Desirable Uneconomical Essential ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Latent heat of dry steam at atmospheric pressure is equal to 100 kcal/ kg 539 kcal/ kg 427 kcal/ kg 539 BTU/ lb 100 kcal/ kg 539 kcal/ kg 427 kcal/ kg 539 BTU/ lb ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts Potential energy into heat energy of steam Heat energy of steam into kinetic energy Heat energy of steam into potential energy Kinetic energy into heat energy of steam Potential energy into heat energy of steam Heat energy of steam into kinetic energy Heat energy of steam into potential energy Kinetic energy into heat energy of steam ANSWER DOWNLOAD EXAMIANS APP
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 More heating surface Heating surface depends on other parameters Less heating surface Equal heating surface More heating surface Heating surface depends on other parameters ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are Externally fired None of these Internally as well as externally fired Internally fired Externally fired None of these Internally as well as externally fired Internally fired 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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