Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Higher value Lower/higher depending on steam flow Same value Lower value Higher value Lower/higher depending on steam flow Same value Lower value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The selection of type and size of a steam boiler depends upon The power required and working pressure The geographical position of the power house All of these The fuel and water available The power required and working pressure The geographical position of the power house All of these The fuel and water available ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The length of Cornish boiler is of the order of 79 m 35 m 57.5 m 24 m 79 m 35 m 57.5 m 24 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An economiser is generally placed between Air preheater and chimney Induced draft fan and forced draft fan None of these Last superheater or reheater and air preheater Air preheater and chimney Induced draft fan and forced draft fan None of these Last superheater or reheater and air preheater 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 p₁ + p₂ p₂/p₁ p₁. p₂ p₁/p₂ p₁ + p₂ p₂/p₁ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which of the following is not a boiler mounting? Fusible plug Economiser Blow off cock Feed check valve Fusible plug Economiser Blow off cock Feed check valve ANSWER DOWNLOAD EXAMIANS APP