Steam Boilers, Engines, Nozzles and Turbines If the critical pressure ratio for steam is 0.546, then the steam is initially Dry saturated steam Superheated steam None of these Wet steam Dry saturated steam Superheated steam None of these Wet steam ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The safety valve on boiler drum compared to safety valve on superheater is set at Higher value Lower value Lower/higher depending on steam flow Same value Higher value Lower value Lower/higher depending on steam flow Same value ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines A safety valve usually employed with stationary boilers is High steam and low water safety valve Dead weight safety valve Lever safety valve All of the listed here High steam and low water safety valve Dead weight safety valve Lever safety valve All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Gradually increasing temperature of flue gases at inlet to chimney for given steam outputs is an indication of Fouling of heat transfer surfaces Raising of steam temperature Higher effectiveness of boiler High calorific value coal being burnt Fouling of heat transfer surfaces Raising of steam temperature Higher effectiveness of boiler High calorific value coal being burnt ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Thermal efficiency of well maintained boiler will be of the order 0.4 0.9 0.5 0.75 0.4 0.9 0.5 0.75 ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines When the speed of the engine is controlled by means of a valve in a steam pipe, which regulates the pressure of steam entering the engine, then the governing is known as Cut-off governing By-pass governing Throttle governing None of these Cut-off governing By-pass governing Throttle governing None of these ANSWER DOWNLOAD EXAMIANS APP
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