Steam Boilers, Engines, Nozzles and Turbines The device attached to the steam chest for preventing explosions due to excessive internal pressure of steam is called Fusible plug Pressure gauge Water level indicator Safety valve Fusible plug Pressure gauge Water level indicator Safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines If a steam sample is nearly in dry condition, then its dryness fraction can be most accurately determined by Bucket calorimeter Combined separating and throttling calorimeter Throttling calorimeter Separating calorimeter Bucket calorimeter Combined separating and throttling calorimeter Throttling calorimeter Separating calorimeter ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In water tube boilers Forced circulation takes place None of these 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 Forced circulation takes place None of these 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 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell diameter of a Locomotive boiler is 2.5 m 1 m 2 m 1.5 m 2.5 m 1 m 2 m 1.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Calorific value of coal is of the order of 5000-8000 kcal/ kg 200-400 kcal/ kg 800-1200 kcal/ kg 2000-4000 kcal/ kg 5000-8000 kcal/ kg 200-400 kcal/ kg 800-1200 kcal/ kg 2000-4000 kcal/ kg ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The cylinder condensation or missing quantity may be reduced by The efficient steam jacketing of the cylinder walls Keeping the expansion ratio small in each cylinder All of these Superheating the steam supplied to the engine cylinder The efficient steam jacketing of the cylinder walls Keeping the expansion ratio small in each cylinder All of these Superheating the steam supplied to the engine cylinder ANSWER DOWNLOAD EXAMIANS APP
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