Study guides, Class notes & Summaries

DC Third testing questions with correct answers The component in which liquid vapor by absorbing heat is called? -Correct Answer-Evaporator Select the best answer electrical grounding method? -Correct Answer-Metal stake drive 8 foot into the ground. A _____ valve should be used for throttling purpose? -Correct Answer-Globe What is the acceptable range for residual sodium sulfite in the boiler maintain? -Correct Answer-30-70 What is the BTU content of a gallon of #4? -Correct Answer-...

Boiler Exam sample questions

Boiler Operator Licensing Exam Questions with Correct Answers 1 or more safety valves - Answer-all steam boilers must have Locked closed - Answer-before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & feedwater valves should be 212 degrees F - Answer-at atmospheric pressure, water begins to boil at approximately Fuel oil, gas, & coal - Answer-fuels most commonly used in boilers Steam pressure gauge - Answer-must be connected to the highest part of t...

Boiler Operator Licensing Exam Questions with Correct Answers 1 or more safety valves - Answer-all steam boilers must have Locked closed - Answer-before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & feedwater valves should be 212 degrees F - Answer-at atmospheric pressure, water begins to boil at approximately Fuel oil, gas, & coal - Answer-fuels most commonly used in boilers Steam pressure gauge - Answer-must be connected to the highest part of t...

Boiler License Test Questions with Correct Answers Natural draft is produced by? - Answer-difference in temperature outside chimney from inside chimney If a draft fan is located between the boiler and chimney, what type of draft system is it? - Answer-Induced draft boiler fittings are important for: - Answer-safety only thermostatic traps remove air and cool condensate: true or false - Answer-True The main purpose of testing a safety value is to: - Answer-make sure valve operates fr...

Boiler License Low Pressure Exam Questions with Correct Answers A welded repair is allowed on the pressure retaining area of a boiler or pressure vessel - Answer-True An OS&Y valve offers the least resistance to flow - Answer-True What chemical prevents pitting - Answer-Sodium Sulfite A rotary cup burner atomizes fuel - Answer-by means of a spinning cup/high velocity air Retubed or new boilers are cleaned with - Answer-Alkaline Detergent Where does fuel atomize - Answer-At the burne...

Boiler License Exam Questions with All Correct Answers When applying the 90% rule to the output of 500 HP, its output would be - Answer15525 pph A high pressure boiler can be used in a low pressure situation: - Answer-sometimes It takes BLANK BTUs to raise 5 pounds of water from 200 to 212 degrees F - Answer60 Minnesota Operators license are renewed every - Answer-2 years The circumference of a circle with a radius of 3 inches is - Answer-18.84 inches For Minnesota Operators licensing ...

Boiler license Exam Questions and Correct Answers The primary purpose of establishing plant safety rules is to: - Answer-protect workers and equipment How are the sections of a cast-iron boiler connected? - Answer-push nipples and bolts Cast-iron boilers are built for what type of draft firing? - Answer-mechanical forced and/or induced What is the maximum pressure of a low pressure steam boiler? - Answer-15 psi What is the maximum temperature and pressure of a low pressure hot water ...

Boiler Operator Licensing Exam Questions with Correct Answers 1 or more safety valves - Answer-all steam boilers must have Locked closed - Answer-before anyone enters the boiler drum, the main steam stop valve, bottom blowdown valves, & feedwater valves should be 212 degrees F - Answer-at atmospheric pressure, water begins to boil at approximately Fuel oil, gas, & coal - Answer-fuels most commonly used in boilers Steam pressure gauge - Answer-must be connected to the highest part of t...