Steam Boilers, Engines, Nozzles and Turbines The clearance in the engine cylinder Decreases the efficiency of the engine Increases the workdone All of these Increases the mean effective pressure Decreases the efficiency of the engine Increases the workdone All of these Increases the mean effective pressure ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Steam engine operates on Brayton cycle Stirling cycle Joule cycle Carnot cycle Brayton cycle Stirling cycle Joule cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The maximum efficiency of a reaction turbine is 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α 2 sin²α/(1 + sin²α) 2 cos²α/(1 + cos²α) (1 + cos²α)/2 cos²α (1 + sin²α)/2 sin²α ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Forced circulation type Horizontal water tube type Vertical fire tube type Horizontal fire tube type Forced circulation type Horizontal water tube type Vertical fire tube type Horizontal fire tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The three "Ts" for good combustion are Temperature, time, and turbulence Total air, time, and temperature Thorough mixing, total air and temperature Total air, true fuel, and turbulence Temperature, time, and turbulence Total air, time, and temperature Thorough mixing, total air and temperature Total air, true fuel, and turbulence ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The Parsons' reaction turbine has Identical fixed and moving blades Only moving blades Only fixed blades Fixed and moving blades of different shape Identical fixed and moving blades Only moving blades Only fixed blades Fixed and moving blades of different shape ANSWER DOWNLOAD EXAMIANS APP