LOW PRESSURE BOILER PRACTICE TEST EXAM QUESTIONS AND ANSWERS

LOW PRESSURE BOILER PRACTICE TEST EXAM QUESTIONS
AND ANSWERS
Water, heat and container - CORRECT ANSWER✅✅✅Is necessary to generate steam in a boiler



Heating surface - CORRECT ANSWER✅✅✅The _____ is the part of the boiler with water on one side
and heat on the other



Firetube - CORRECT ANSWER✅✅✅A _____ boiler has heat and gases of combustion that pass
through tubes surrounded by water



Watertube - CORRECT ANSWER✅✅✅A _____ boiler has water in the tubes and heat and gases of
combustion passing around the tubes



Baffles - CORRECT ANSWER✅✅✅_____ are used in boilers to direct the gases of combustion over
the boiler heating surface



Sensible heat - CORRECT ANSWER✅✅✅Heat that can be measured with a thermometer is called



Heat exchanger - CORRECT ANSWER✅✅✅A _____ is used to transfer heat from one substance to
another without allowing the materials to mix



Combustion chamber - CORRECT ANSWER✅✅✅In the _____, air mixes with fuel and burns



Perfect combustion - CORRECT ANSWER✅✅✅_____ is combustion that occurs when fuel is burned
using only the theoretical amount of air



Primary air - CORRECT ANSWER✅✅✅_____ is air that controls the combustion rate, which
determines that amount of fuel burned