Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio is given by (where p₁ = Initial pressure of steam, and p₂ = Pressure of steam at throat or critical pressure) p₁/p₂ p₁. p₂ p₁ + p₂ p₂/p₁ p₁/p₂ p₁. p₂ p₁ + p₂ p₂/p₁ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The efficiency of a pressure-velocity compounded impulse turbine is __________ as compared to pressure compounded impulse turbine. Same Less None of these More Same Less None of these More ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of steam at throat of the nozzle is __________ the velocity of sound. Equal to Less than More than None of these Equal to Less than More than None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines On Millier chart, the constant pressure lines Diverge from left to right Are equally spaced throughout First rise up and then fall Diverge from right to left Diverge from left to right Are equally spaced throughout First rise up and then fall Diverge from right to left ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The chimney draught varies with Temperature of furnace gases All of these Height of chimney Climatic conditions Temperature of furnace gases All of these Height of chimney Climatic conditions ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Carbonization of coal is the process of Binding the pulverized coal into briquettes Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Heating wood in a limited supply of air at temperatures below 300°C Pulverizing coal in inert atmosphere Binding the pulverized coal into briquettes Strongly heating coal continuously for about 48 hours in the absence of air in a closed vessel Heating wood in a limited supply of air at temperatures below 300°C Pulverizing coal in inert atmosphere ANSWER DOWNLOAD EXAMIANS APP
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