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 Water level indicator Fusible plug Safety valve Pressure gauge Water level indicator Fusible plug Safety valve Pressure gauge ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a De-Laval turbine is (where α = Nozzle angle) sin²α tan²α cot²α cos²α sin²α tan²α cot²α cos²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The compounding of turbines is done in order to Reduce speed of rotor All of these Reduce exit losses Improve efficiency Reduce speed of rotor All of these Reduce exit losses Improve efficiency ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is More efficient and more economical Less efficient and less economical More efficient and less economical Less efficient and more economical More efficient and more economical Less efficient and less economical More efficient and less economical Less efficient and more economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In fire tube boilers Water passes through the tubes which are surrounded by flames and hot gases The flames and hot gases pass through the tubes which are surrounded by water None of these Forced circulation takes place Water passes through the tubes which are surrounded by flames and hot gases The flames and hot gases pass through the tubes which are surrounded by water None of these Forced circulation takes place ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Pick up wrong statement about desired properties of a good fuel High calorific value Ease in storing High ignition point Produce minimum smoke and gases High calorific value Ease in storing High ignition point Produce minimum smoke and gases ANSWER DOWNLOAD EXAMIANS APP
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