Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are None of these Internally fired Internally as well as externally fired Externally fired None of these Internally fired Internally as well as externally fired Externally fired 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 All of these Superheating the steam supplied to the engine cylinder Keeping the expansion ratio small in each cylinder The efficient steam jacketing of the cylinder walls All of these Superheating the steam supplied to the engine cylinder Keeping the expansion ratio small in each cylinder ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁ + p₂ p₁/p₂ p₂/p₁ p₁. p₂ p₁ + p₂ p₁/p₂ p₂/p₁ p₁. p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In a steam condenser, the partial pressure of steam and air are 0.06 bar and 0.007 bar respectively. The condenser pressure is 0.06 bar 0.067 bar 0.053 bar 0.007 bar 0.06 bar 0.067 bar 0.053 bar 0.007 bar ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Hard coke is produced by carburization of coal at 950-1100°C 700-850°C Atmospheric temperature 500-600°C 950-1100°C 700-850°C Atmospheric temperature 500-600°C ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of feed water has to be raised before its entry into the boiler. The pressure is raised by a device known as Injector Feed check valve Pressure gauge Feed pump Injector Feed check valve Pressure gauge Feed pump ANSWER DOWNLOAD EXAMIANS APP
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