Steam Boilers, Engines, Nozzles and Turbines By compounding the expansion of steam in two or more cylinders, the ratio of expansion Increases None of these Decreases Does not change Increases None of these Decreases Does not change ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines An air preheater All of these Enables low grade fuel to be burnt Increases the efficiency of the boiler Increases evaporative capacity of the boiler All of these Enables low grade fuel to be burnt Increases the efficiency of the boiler Increases evaporative capacity of the boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve at superheater as compared to drum safety valve setting is set at Higher value Lower value Same value Any value Higher value Lower value Same value Any value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines In designing air preheaters, the important design consideration is that Heat transfer area should be optimum Stack gases should not be cooled to the dew point Handling and maintenance should be easier Approach temperature should be as low as possible Heat transfer area should be optimum Stack gases should not be cooled to the dew point Handling and maintenance should be easier Approach temperature should be as low as possible ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Cut-off governing as compared to throttle governing is Less efficient and less economical More efficient and more economical More efficient and less economical Less efficient and more economical Less efficient and less economical More efficient and more economical More efficient and less economical Less efficient and more economical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a receiver type compound engine are regarded as having cranks 90° to each other 0° to each other None of these 180° to each other 90° to each other 0° to each other None of these 180° to each other ANSWER DOWNLOAD EXAMIANS APP