Steam Boilers, Engines, Nozzles and Turbines Fire tube boilers are limited to a maximum working pressure of 1.7 MN/m² 170 MN/m² 0.17 MN/m² 17 MN/m² 1.7 MN/m² 170 MN/m² 0.17 MN/m² 17 MN/m² ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Natural water circulation, by convection in water tube boilers, with increase in pressure of boiler Decreases Remain unaffected First increases and then decreases Increases Decreases Remain unaffected First increases and then decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of the volume at cut-off to the swept volume is called Expansion ratio Cut-off ratio Clearance ratio None of these Expansion ratio Cut-off ratio Clearance ratio None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The artificial draught is produced by Chimney Steam jet Centrifugal fan Both (A) and (B) Chimney Steam jet Centrifugal fan Both (A) and (B) 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 The difference between Cornish boiler and Lancashire boiler is that Former is water tube type and latter is fire tube type None of the listed here Former is fire tube type and latter is water tube type boiler Former contains one fire tube and latter contains two fire tubes Former is water tube type and latter is fire tube type None of the listed here Former is fire tube type and latter is water tube type boiler Former contains one fire tube and latter contains two fire tubes ANSWER DOWNLOAD EXAMIANS APP
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