Boiler Operator Licensing Exam |134 questions| with correct answers

1 or more safety valves CORRECT ANSWER all steam boilers must have Locked closed CORRECT ANSWER before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & feed water valves should be 212 degrees F CORRECT ANSWER at atmospheric pressure, water begins to boil at approximately Fuel oil, gas, & coal CORRECT ANSWER fuels most commonly used in boilers Steam pressure gauge CORRECT ANSWER must be connected to the highest part of the steam side of the boiler Half full CORRECT ANSWER with an NOWL in a boiler, the gauge glass is approximately Foaming CORRECT ANSWER a high surface tension on top of the boiler water can lead to Mud drum CORRECT ANSWER Bottom blowdown on a boiler removes sludge & sediment from the Tin CORRECT ANSWER a boiler fusible plug is brass or bronze with a core of Pounds per square inch CORRECT ANSWER a steam pressure gauge is calibrated in