Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Spring loaded safety valve Lever safety valve High steam and low water safety valve Dead weight safety valve Spring loaded safety valve Lever safety valve High steam and low water safety valve Dead weight safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure gives the velocity of steam at the throat More than the velocity of sound Less than the velocity of sound None of these Equal to the velocity of sound More than the velocity of sound Less than the velocity of sound None of these Equal to the velocity of sound ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In case of non-condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the condenser pressure. Higher than None of these Lower than Equal to Higher than None of these Lower than Equal to ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Mechanical equivalent of heat for 1 kcal or Joule's equivalent is equal to 102 kg.m 539 kg.m 421 kg.m 421 kg.m 102 kg.m 539 kg.m 421 kg.m 421 kg.m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Adiabatic process is Non-heat transfer process Reversible process Essentially an isentropic process Constant temperature process Non-heat transfer process Reversible process Essentially an isentropic process Constant temperature process ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be 188 m/s 450 m/s 79 m/s 900 m/s 188 m/s 450 m/s 79 m/s 900 m/s ANSWER DOWNLOAD EXAMIANS APP
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