Steam Boilers, Engines, Nozzles and Turbines Parson's turbine is a Simple reaction turbine Impulse-reaction turbine Simple impulse turbine None of these Simple reaction turbine Impulse-reaction turbine Simple impulse turbine None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The friction present between the steam and the nozzle surfaces reduces the heat drop by 10 to 15% 25 to 40% 15 to 25% 40 to 60% 10 to 15% 25 to 40% 15 to 25% 40 to 60% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the circulation of water, in a boiler, is by convection currents which are set up during the heating of water, then the boiler is known as Internally fired boiler Forced circulation boiler Externally fired boiler Natural circulation boiler Internally fired boiler Forced circulation boiler Externally fired boiler Natural circulation boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The isentropic enthalpy drop in moving blade is two-third of the isentropic enthalpy drop in fixed blades of a turbine. The degree of reaction will be 0.56 0.67 1.67 0.4 0.56 0.67 1.67 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Horizontal water tube type Horizontal fire tube type Forced circulation type Vertical fire tube type Horizontal water tube type Horizontal fire tube type Forced circulation type Vertical fire tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the useful heat drop to the isentropic heat drop is called Boiler efficiency Condenser efficiency Nozzle efficiency Vacuum efficiency Boiler efficiency Condenser efficiency Nozzle efficiency Vacuum efficiency ANSWER DOWNLOAD EXAMIANS APP
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