STATIONARY ENGINEERING TEST PRACTICE – STATIONARY ENGINEER LICENSING EXAM
PREPARATION QUESTIONS AND ANSWERS A+ VERIFIED LATEST VERSION (2026-2027)
1. The purpose of the safety valve is:
a) to prevent excessive pressure build-up
b) for automatic control of the boiler
c) for additional costs
d) for maintaining boiler temperature: a) to prevent excessive pressure build-up
2. The Boiler Operator's Permit is given to:
a) an individual
b) a company
c) the manufacturer
d) the repair company only: a) an individual
3. Not enough water in the boiler may cause:
a) No problems
b) increase in boiler stack temperature
c) low gas flow to the burner
d) possible boiler explosions: d) possible boiler explosions
4. The boiler should be looked at by the boiler operator at least:
a) weekly
b) monthly
c) quarterly
d) daily: d) daily (every 2 hours)
5. How would you determine the pressure in a boiler:
a) By the boiler sight glass
b) By the pressure gage
c) By the thermostat
d) By the water level: b) By the pressure gage
6. What is the purpose of the boiler low-water cutoff:
a) To maintain water temperature
, STATIONARY ENGINEERING TEST PRACTICE – STATIONARY ENGINEER LICENSING EXAM
PREPARATION QUESTIONS AND ANSWERS A+ VERIFIED LATEST VERSION (2026-2027)
b) To shut down the boiler at the end of the day
c) to add water
d) To cutoff boiler, when the water too low: d) To cutott boiler, when the water too low
7. What should you check before starting a boiler:
a) The outside temperature
b) The steam pressure
c) Bypass the controls
d) The water level: d) The water level
8. If the boiler operating controls have a problem, you should:
a) Continue to operate
b) Shut down the boiler
c) Bypass the controls
d) Do nothing: b) Shut down the boiler
9. Which of the following is allowed to be kept in a boiler room:
a) Lawn maintenance equipment
b) Air filters
c) Gasoline containers
d) Boiler room should not be used for storage: d) Boiler room should not be used for storage
10. If you smell natural gas in a boiler room, what would be the first thing you
would do:
a) Turn off gas either at the meter or at the boiler
b) Turn lights on or off
c) Increase water supply
d) Increase fire in boiler: a) Turn ott gas either at the meter or at the boiler
11. Fusible plugs are used on all modern boilers.
a) true
b) false: b) false
12. What is added to natural gas to give it an odor?: Mercaptan
PREPARATION QUESTIONS AND ANSWERS A+ VERIFIED LATEST VERSION (2026-2027)
1. The purpose of the safety valve is:
a) to prevent excessive pressure build-up
b) for automatic control of the boiler
c) for additional costs
d) for maintaining boiler temperature: a) to prevent excessive pressure build-up
2. The Boiler Operator's Permit is given to:
a) an individual
b) a company
c) the manufacturer
d) the repair company only: a) an individual
3. Not enough water in the boiler may cause:
a) No problems
b) increase in boiler stack temperature
c) low gas flow to the burner
d) possible boiler explosions: d) possible boiler explosions
4. The boiler should be looked at by the boiler operator at least:
a) weekly
b) monthly
c) quarterly
d) daily: d) daily (every 2 hours)
5. How would you determine the pressure in a boiler:
a) By the boiler sight glass
b) By the pressure gage
c) By the thermostat
d) By the water level: b) By the pressure gage
6. What is the purpose of the boiler low-water cutoff:
a) To maintain water temperature
, STATIONARY ENGINEERING TEST PRACTICE – STATIONARY ENGINEER LICENSING EXAM
PREPARATION QUESTIONS AND ANSWERS A+ VERIFIED LATEST VERSION (2026-2027)
b) To shut down the boiler at the end of the day
c) to add water
d) To cutoff boiler, when the water too low: d) To cutott boiler, when the water too low
7. What should you check before starting a boiler:
a) The outside temperature
b) The steam pressure
c) Bypass the controls
d) The water level: d) The water level
8. If the boiler operating controls have a problem, you should:
a) Continue to operate
b) Shut down the boiler
c) Bypass the controls
d) Do nothing: b) Shut down the boiler
9. Which of the following is allowed to be kept in a boiler room:
a) Lawn maintenance equipment
b) Air filters
c) Gasoline containers
d) Boiler room should not be used for storage: d) Boiler room should not be used for storage
10. If you smell natural gas in a boiler room, what would be the first thing you
would do:
a) Turn off gas either at the meter or at the boiler
b) Turn lights on or off
c) Increase water supply
d) Increase fire in boiler: a) Turn ott gas either at the meter or at the boiler
11. Fusible plugs are used on all modern boilers.
a) true
b) false: b) false
12. What is added to natural gas to give it an odor?: Mercaptan
