1st Class Stationary Engineers Examination Questions And Answers 100% Solved

1st Class Stationary Engineers Examination Questions And Answers 100% Solved Deaerator - answerA Device used to remove oxygen from boiler feedwater The term "quality of steam" has to do with steams - answerMoisture content A sleeve is used on the shaft of a centrifugal pump to - answerProtect the shaft The purpose of an adjusting ring on a safety value is to - answerRegulate the amount of steam exhausted The maximum wattage allowed on a 30 ampere fuse is (supply line is 115 volts) - answerW = V x I W = 115 x 30 W = 3450 watts A tachometer is used to measure - answerRevolution per minute If a Fahrenheit thermometer registered 100 degrees, what would be the reading on a centigrade scale? - answerC = (F-32) / 1.8 C = (100-32)/1.8 C = 37.8 Degree C Which of the following types of boilers are best suited for high ratings? - answerwater tube boilers A warm air furnace duct transfers heat to a room by means of - answerConvection If a pressure gauge indicated a pressure of 20 PSI, what would be the absolute pressure per square inch? - answerPSIA = PSIG +14.7 PSIA = 20 + 14.7 PSIA = 34.7 PSI If a ton of coal contains 400 lbs. of ash, what percent of the coal is ash? - answer20% The liquid or fluid used to clean an air compressor should have a - answerHigh Fire point Which of the following types of air compressor makes use of an inter-cooler - answerReciprocating