Boiler Operator Licensing Exam Questions With Verified Answers

Boiler Operator Licensing Exam Questions With Verified Answers 1 or more safety valves - answerall steam boilers must have Locked closed - answerbefore anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & feedwater valves should be 212 degrees F - answerat atmospheric pressure, water begins to boil at approximately Fuel oil, gas, & coal - answerfuels most commonly used in boilers Steam pressure gauge - answermust be connected to the highest part of the steam side of the boiler Half full - answerwith an NOWL in a boiler, the gauge glass is approximately Foaming - answera high surface tension on top of the boiler water can lead to Mud drum - answerBottom blowdown on a boiler removes sludge & sediment from the Tin - answera boiler fusible plug is brass or bronze with a core of Pounds per square inch - answera steam pressure gauge is calibrated in Try cocks - answera secondary means of determining boiler water level Oily waste rag storage - answerfires caused by spontaneous combustion are most likely to occur in the Steam - answera siphon installed between the boiler & the pressure gauge protects the Bourdon tube from Prevent formation of scale - answerboiler feedwater is chemically treated to Inside tube surface - answerin a firetube boiler, soot accumulates on the 1.5 times the MAWP - answerthe pressure applied on the boiler during a hydrostatic test should be Decreased - answeras fuel oil is heated, its viscosity is Chimney - answerthe induced draft fan is located between the boiler & the