Steam Boilers, Engines, Nozzles and Turbines Steam turbines may be classified according to Mode of steam action Direction of steam flow All of these Number of stages Mode of steam action Direction of steam flow All of these Number of stages ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines At very low temperature, the melting and boiling temperatures become equal. This temperature is 303°K 373°K 273.16°K 0°K 303°K 373°K 273.16°K 0°K 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 Expanding steam to a very low pressure (high vacuum) in steam engines is Desirable Economical Essential Uneconomical Desirable Economical Essential Uneconomical ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the back pressure of a nozzle is below the designed value of pressure at exit of nozzle, the nozzle is said to be Choked Over-damping Under-damping None of these Choked Over-damping Under-damping None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Locomotive boiler is a Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, externally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler Single tube, horizontal, internally fired and stationary boiler Single tube, vertical, externally fired and stationary boiler Multi-tubular, horizontal, externally fired and stationary boiler Multi-tubular, horizontal, internally fired and mobile boiler Single tube, horizontal, internally fired and stationary boiler ANSWER DOWNLOAD EXAMIANS APP
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