Steam Boilers, Engines, Nozzles and Turbines When the cross-section of a nozzle __________ continuously from entrance to exit, it is called a convergent nozzle. Increases Remain same Decreases None of these Increases Remain same Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines During storage, the heating value of coal May increase or decrease depending upon the method of storage Remain constant Increases Decreases May increase or decrease depending upon the method of storage Remain constant Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The chimney draught varies with Climatic conditions Temperature of furnace gases All of these Height of chimney Climatic conditions Temperature of furnace gases All of these Height of chimney ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The fire tubes in a Cochran boiler are Inclined None of these Horizontal Vertical Inclined None of these Horizontal Vertical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as Boiler efficiency Equivalent evaporation Factor of evaporation Power of a boiler Boiler efficiency Equivalent evaporation Factor of evaporation Power of a boiler ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A double acting steam engine with a cylinder diameter of 190 mm and a stroke of 300 mm has a cut-off of 0.35. The expansion ratio for this engine is nearly 2.86 10.05 6.65 1.05 2.86 10.05 6.65 1.05 ANSWER DOWNLOAD EXAMIANS APP
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