High Pressure Boilers Midterm Exam questions with correct answers
A low pressure boiler operates at a pressure of not more than __________ psi CORRECT ANSWER-- 15 If a boiler operates at 100 hp, how much steam production is that equal to? CORRECT ANSWER-- 3450 lb/hr 34.5 x 100 As steam pressure increases, there is a corresponding increase in __________ CORRECT ANSWER-- temperature At what temperature does water boil and turn into steam? CORRECT ANSWER-- 212 F Combustion efficiency is the ratio of heat absorbed by boiler output to the heat available in the fuel impact CORRECT ANSWER-- false __________ stress occurs when two forces of equal intensity at parallel to each other but in opposite direction CORRECT ANSWER-- shear Water tube boilers are equipped with __________ to increase the heating surface CORRECT ANSWER-- waterwalls In a fire tube boiler, gases pass through the __________ CORRECT ANSWER-- tubes
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