Steam Boilers, Engines, Nozzles and Turbines Film boiling occurs at Very low pressure Very high pressures Medium pressures Atmospheric pressures Very low pressure Very high pressures Medium pressures Atmospheric pressures 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% 40 to 60% 15 to 25% 25 to 40% 10 to 15% 40 to 60% 15 to 25% 25 to 40% ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Which type of boiler can meet rapid changes of load? Horizontal fire tube type Vertical fire tube type Forced circulation type Horizontal water tube type Horizontal fire tube type Vertical fire tube type Forced circulation type Horizontal water tube type ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Stack gases should not be cooled to the dew point Heat transfer area should be optimum Approach temperature should be as low as possible Handling and maintenance should be easier Stack gases should not be cooled to the dew point Heat transfer area should be optimum Approach temperature should be as low as possible Handling and maintenance should be easier ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A single acting steam engine produces ___ power than that of double acting steam engine. Double Four times Equal Half Double Four times Equal Half ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The function of injector used in small capacity boilers is to Pump water, similar to boiler feed pump Inject chemical solution in feed pump Create vacuum Add make up water in the system Pump water, similar to boiler feed pump Inject chemical solution in feed pump Create vacuum Add make up water in the system ANSWER DOWNLOAD EXAMIANS APP
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