Steam Boilers, Engines, Nozzles and Turbines The condition of steam in boiler drum is always Dry Wet Supersaturated Saturated Dry Wet Supersaturated Saturated ANSWER DOWNLOAD EXAMIANS APP
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 In case of condensing steam engines, the pressure of steam in the cylinder during exhaust stroke is _________ the atmospheric pressure. None of these Equal to Lower than Higher than None of these Equal to Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The steam temperature with increase in load in case of a boiler fitted with radiation superheater Remain unaffected Decreases First increases and then decreases Increases Remain unaffected Decreases First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.5 0.75 0.9 0.4 0.5 0.75 0.9 0.4 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The increase in pressure Raises the boiling point of a liquid Reduces its volume Does not affects the boiling point of a liquid Lowers the boiling point of a liquid Raises the boiling point of a liquid Reduces its volume Does not affects the boiling point of a liquid Lowers the boiling point of a liquid ANSWER DOWNLOAD EXAMIANS APP
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