STATIONARY ENGINEERING EXAM 80 QUESTIONS &
CORRECT ANSWERS LATEST 2025
What is the pressure at the base of a vertical foot of water? - ANSWER-0.433 psi
How much should the boiler pressure increase when performing a hydrostatic
test? - ANSWER-1.5 times the safety valve setting
The range of a boiler steam pressure gauge. - ANSWER-1.5 to 2 times the safety
valve setting
Fuel oil heaters must be used when burning what? - ANSWER-No. 6 fuel oil
What is the maximum allowable working pressure of a low pressure steam boiler?
(MAWP) - ANSWER-Up to 15 psi
A boiler generating 20,000 lbs of steam/hr must be supplied with at least how
many pounds of water/hr? - ANSWER-20,000 lbs
Where do the heat and gases of combustion pass in a water tube boiler? -
ANSWER-Around the tubes
The frequency of blowing down a steam boiler is best ascertained by? - ANSWER-
Daily testing of the water boiler
, What is an economizer used for in large boiler plants? - ANSWER-To heat the
feedwater using gases of combustion
What kind of boiler is a horizontal return tubular? - ANSWER-A fire tube boiler
The part of a boiler that has heat and gases of combustion on one side and water
on the other. - ANSWER-Heating Surface
The amount of draft available in a natural draft system is dependent on what? -
ANSWER-The height of the chimney
What must the boiler steam pressure gauge be connected to? - ANSWER-The
highest part of the steam side of the boiler
What is an indication of a dirty fuel oil strainer? - ANSWER-A large pressure drop
across the strainer
What causes a scale buildup on the water side of the steam boiler? - ANSWER-
Improper water boiler treatment
What are the types of boilers? - ANSWER-Fire Tube
Water Tube
Cast-Iron Sectional
CORRECT ANSWERS LATEST 2025
What is the pressure at the base of a vertical foot of water? - ANSWER-0.433 psi
How much should the boiler pressure increase when performing a hydrostatic
test? - ANSWER-1.5 times the safety valve setting
The range of a boiler steam pressure gauge. - ANSWER-1.5 to 2 times the safety
valve setting
Fuel oil heaters must be used when burning what? - ANSWER-No. 6 fuel oil
What is the maximum allowable working pressure of a low pressure steam boiler?
(MAWP) - ANSWER-Up to 15 psi
A boiler generating 20,000 lbs of steam/hr must be supplied with at least how
many pounds of water/hr? - ANSWER-20,000 lbs
Where do the heat and gases of combustion pass in a water tube boiler? -
ANSWER-Around the tubes
The frequency of blowing down a steam boiler is best ascertained by? - ANSWER-
Daily testing of the water boiler
, What is an economizer used for in large boiler plants? - ANSWER-To heat the
feedwater using gases of combustion
What kind of boiler is a horizontal return tubular? - ANSWER-A fire tube boiler
The part of a boiler that has heat and gases of combustion on one side and water
on the other. - ANSWER-Heating Surface
The amount of draft available in a natural draft system is dependent on what? -
ANSWER-The height of the chimney
What must the boiler steam pressure gauge be connected to? - ANSWER-The
highest part of the steam side of the boiler
What is an indication of a dirty fuel oil strainer? - ANSWER-A large pressure drop
across the strainer
What causes a scale buildup on the water side of the steam boiler? - ANSWER-
Improper water boiler treatment
What are the types of boilers? - ANSWER-Fire Tube
Water Tube
Cast-Iron Sectional
