Steam Boilers, Engines, Nozzles and Turbines For the same length of stroke and speed of crankshaft, the piston speed for a double acting steam engine is _________ the piston speed of single acting steam engine. Equal to Four times Three times Twice Equal to Four times Three times Twice ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Heating value of fuel used is as on fired basis. If it is reported for dry or moisture free fuel, then latter should be multiplied by the following factor to correct for as fired value 1 – moisture content (1- moisture content) (1 + moisture content) 1 + moisture content 1 – moisture content (1- moisture content) (1 + moisture content) 1 + moisture content ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The stage efficiency (ηS) is given by (where ηB = Blading efficiency, and ηN = Nozzle efficiency) ηS = ηB / ηN ηS = ηN / ηB ηS = ηB × ηN None of the listed here ηS = ηB / ηN ηS = ηN / ηB ηS = ηB × ηN None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The shell diameter and length of locomotive boiler are 2 m, 4 m 1.5 m, 4 m 1 m, 4 m 1.5 m, 6 m 2 m, 4 m 1.5 m, 4 m 1 m, 4 m 1.5 m, 6 m ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Water and sediment in fuel oil can be removed by Burning the oil Cooling the oil in the settling tanks Heating the oil in the settling tanks Suspension Burning the oil Cooling the oil in the settling tanks Heating the oil in the settling tanks Suspension ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Stage efficiency is also known as None of these Gross efficiency Diagram efficiency Nozzle efficiency None of these Gross efficiency Diagram efficiency Nozzle efficiency ANSWER DOWNLOAD EXAMIANS APP
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