Steam Boilers, Engines, Nozzles and Turbines For the same diameter and thickness of tube, a water tube boiler has ________ heating surface as compared to fire tube boiler. More Equal Less None of these More Equal Less None of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Boiler H.P. is defined as the Steam evaporation rate per kg of fuel fired Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition Steam evaporation rate per kg of fuel fired Work done in evaporating 1 kg of steam per hour from and at 100°C into dry saturated steam The evaporation of 15.65 kg of water per hour from and at 100°C into dry saturated steam Work done by 1 kg of steam at saturation condition ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The heat loss in a boiler takes place in the form of Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash Heat carried away by flue gases All of these Moisture present in fuel and steam formed by combustion of hydrogen in fuel Heat carried away by ash Heat carried away by flue gases All of these ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The diameters of fire tubes and superheater tubes in locomotive boiler are 65.5 mm, 210 mm 32.5 mm, 180 mm 47.5 mm, 130 mm 24.5 mm, 65 mm 65.5 mm, 210 mm 32.5 mm, 180 mm 47.5 mm, 130 mm 24.5 mm, 65 mm ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines 100% efficiency of a thermal cycle cannot be achieved because of Leakage It is not possible to achieve 0°K temperature Non availability of ideal substance Frictional losses Leakage It is not possible to achieve 0°K temperature Non availability of ideal substance Frictional losses ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The velocity of flue gases (V) through the chimney under a static draught of (H') metres is given by V = 2g H' V = 2gH' V = H'/2g V = 2g/H' V = 2g H' V = 2gH' V = H'/2g V = 2g/H' ANSWER DOWNLOAD EXAMIANS APP
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