Steam Boilers, Engines, Nozzles and Turbines Which of the following is correct? (Where pa = Actual mean effective pressure, pm = Theoretical mean effective pressure, and K = Diagram factor) pa = pm + K pa = K/pm pa = pm × K pa = pm/K pa = pm + K pa = K/pm pa = pm × K pa = pm/K ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines Size of boiler tubes is specified by Mean diameter and thickness Outside diameter and inside diameter Outside diameter and thickness Inside diameter and thickness Mean diameter and thickness Outside diameter and inside diameter Outside diameter and thickness Inside diameter and thickness 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 None of the listed here ηS = ηB / ηN ηS = ηN / ηB ηS = ηB × ηN None of the listed here ηS = ηB / ηN ηS = ηN / ηB ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The pressure of steam in the engine cylinder at the beginning of the stroke is ________ the boiler pressure. None of these Less than Equal to Higher than None of these Less than Equal to Higher than ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines One kilowatt-hour energy is equivalent to 360 kJ 3600 kJ 3600 kW/sec 1000 J 360 kJ 3600 kJ 3600 kW/sec 1000 J ANSWER DOWNLOAD EXAMIANS APP
Steam Boilers, Engines, Nozzles and Turbines The ratio of heat actually used in producing the steam to the heat liberated in the furnace, is known as Power of a boiler Boiler efficiency Equivalent evaporation Factor of evaporation Power of a boiler Boiler efficiency Equivalent evaporation Factor of evaporation ANSWER DOWNLOAD EXAMIANS APP
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