Steam Boilers, Engines, Nozzles and Turbines A safety valve mainly used with locomotive and marine boilers is Spring loaded safety valve Dead weight safety valve Lever safety valve High steam and low water safety valve Spring loaded safety valve Dead weight safety valve Lever safety valve High steam and low water safety valve ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water tube boilers are those in which Change in enthalpy Work is done during adiabatic expansion Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it Change in enthalpy Work is done during adiabatic expansion Water passes through the tubes and flue gases around it Flue gases pass through tubes and water around it ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Relative percentage of heat absorbed through the heat transfer of(i) Furnace water wall(ii) Boiler tank(iii) Superheater(iv) Economizer(v) Air-heater of a typical boiler of 200 MW capacity would be of the order of 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 10 : 7 : 15 : 20 : 48 20 : 48 : 7 : 15 : 10 48 : 20 : 15 : 7 : 10 7 : 15 : 20 : 10 : 48 10 : 7 : 15 : 20 : 48 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The flow through a nozzle is regarded as Constant pressure flow Isothermal flow Constant volume flow Isentropic flow Constant pressure flow Isothermal flow Constant volume flow Isentropic flow ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Horizontal water tube type Forced circulation type Vertical fire tube type Horizontal fire tube type Horizontal water tube type Forced circulation type Vertical fire tube type Horizontal fire tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines De-Laval turbines are mostly used For small power purposes and low speeds For small power purposes and high speeds For large power purposes Where low speeds are required For small power purposes and low speeds For small power purposes and high speeds For large power purposes Where low speeds are required ANSWER DOWNLOAD EXAMIANS APP
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