Steam Boilers, Engines, Nozzles and Turbines The draught in locomotive boilers is produced by a Steam jet Chimney None of these Centrifugal fan Steam jet Chimney None of these Centrifugal fan ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameter of Cornish boiler is of the order of 2.53.5 m 12 m 23 m 1.52.5 m 2.53.5 m 12 m 23 m 1.52.5 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The high pressure and low pressure cylinders in a Tandem type compound engine are regarded as having cranks 90° to each other None of these 180° to each other 0° to each other 90° to each other None of these 180° to each other 0° to each other 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 p₂/p₁ p₁ + p₂ p₁/p₂ p₁. p₂ p₂/p₁ p₁ + p₂ ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The critical pressure ratio (p₂/p₁) is given by (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [(n + 1)/2] n - (1/n) (p₂/p₁) = [2/(n + 1)] n/(n-1) (p₂/p₁) = [(n - 1)/2] n + (1/n) (p₂/p₁) = [2/(n - 1)] n/(n + 1) (p₂/p₁) = [(n + 1)/2] n - (1/n) ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of brake power to the indicated power is known as Brake thermal efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency Brake thermal efficiency Mechanical efficiency Overall efficiency Indicated thermal efficiency ANSWER DOWNLOAD EXAMIANS APP