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BOILERS EXAM – QUESTIONS & SOLUTIONS

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BOILERS EXAM – QUESTIONS & SOLUTIONS

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  • December 18, 2023
  • 14
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers
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BOILERS EXAM – QUESTIONS & SOLUTIONS
Which of the following is necessary to generate steam in a boiler?
A. A container
B. Heat
C. Water
D. All of the above ✔️Ans - D. All of the above

It is the part of the boiler with water on one side and heat on the other side
✔️Ans - Heating surface

The area of a safety valve 4" in diameter is how many square inches? ✔️Ans
- 12.5664

The ASME code states that boilers with over _______square feet heating surface
must have two or more safety valve. ✔️Ans - 500

Which of the following best defines a total force acting on a boiler?
A. Area times diameter
B. Area times pressure
C. Area times distance
D. The MAWP times pressure ✔️Ans - Area times pressure

The MAWP on a low pressure steam boiler is _______ psi. ✔️Ans - 15

Which of the following is the most important valve on a boiler?
A. Main steam stop valve
B. Automatic nonreturn valve
C. Safety valve
D. Feedwater stop valve ✔️Ans - Safety valve

Which of the following statements is true for cast iron sectional boilers?
A. Cast iron sectional boilers have fire tubes
B. These boilers do not require water
C. Can be expanded in size
D. None of the above ✔️Ans - None of the above

At what temperature will water normally turns to steam? ✔️Ans - 212 F
ͦ

, Which of the following can be a function of the container in a boiler?
A. Holds the water
B. Collects the steam that is produced
C. Transfers heat to the water to produce steam
D. All of the above ✔️Ans - All of the above

The _________forms a vacuum that draws out of the condensate return line and
into the vacuum tank. ✔️Ans - Vacuum pump

What are the four systems necessary to operate a boiler? ✔️Ans -
Feedwater; fuel; draft; steam

Which of the following will make a boiler work more efficiently?
A. More fuel is added
B. Fire tubes are decrease in size
C. The heating surface is increased
D. All of the above ✔️Ans - The heating surface is increased

Which of the following boiler does not use tubes?
A. Cast iron sectional
B. Water tube
C. Scotch marine
D. Firebox ✔️Ans - Cast iron sectional

The gases of combustion leave the boiler through the: ✔️Ans - Breeching

It is the system that provides the air necessary for combustion. ✔️Ans -
Draft

Excess fuel oil in the fuel oil system returns to the: ✔️Ans - Fuel oil tank

Which of the following is the most common type of water tube boiler?
A. Firebox
B. Scotch marine
C. Vertical
D. Straight-tube multiple pass ✔️Ans - Straight-tube multiple pass

The function of the steam boiler is to ______. ✔️Ans - Produce steam

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