Steam Boilers, Engines, Nozzles and Turbines Green coal, in order to be burnt, must be Heated to its ignition point Heated sufficiently Burnt as powder Burnt in excess air Heated to its ignition point Heated sufficiently Burnt as powder Burnt in excess air ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A steam nozzle converts Heat energy of steam into potential energy Potential energy into heat energy of steam Heat energy of steam into kinetic energy Kinetic energy into heat energy of steam Heat energy of steam into potential energy Potential energy into heat energy of steam Heat energy of steam into kinetic energy Kinetic energy into heat energy of steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water tube boilers The flames and hot gases pass through the tubes which are surrounded by water Water passes through the tubes which are surrounded by flames and hot gases None of these Forced circulation takes place The flames and hot gases pass through the tubes which are surrounded by water Water passes through the tubes which are surrounded by flames and hot gases None of these Forced circulation takes place ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During polytropic process All of these Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion Work is done All of these Heat transfer takes place across cylinder walls Steam may be wet, dry or superheated after expansion Work is done ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The action of steam in a steam turbine is Neither static nor dynamic Static Static and dynamic Dynamic Neither static nor dynamic Static Static and dynamic Dynamic ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to 539 kg.m 102 kg.m 421 kg.m 421 kg.m 539 kg.m 102 kg.m 421 kg.m 421 kg.m ANSWER DOWNLOAD EXAMIANS APP
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