Boiler Exam sample questions and answers
2026\2027 A+ Grade
Which valve is between the boiler and the return pump
- correct answer check valve
what is the function of the check valve
- correct answer prevent the water from returning to the condensation tank from the boiler after the
pump shuts off
four safety features required on the steam boiler are
- correct answer safety relief valve, blow-down valve, low water cut-off, and pressure gauge
safety relief valves should be set by
- correct answer qualified safety valve technician
which pressure in considered to be that of a low-pressure boiler
- correct answer 0-15 PSI MAWP
what could happen if a steam valve is opened quickly
- correct answer water could be siphoned out of the boiler causing damage to boiler and steam lines
why are steam lines insulated
- correct answer to prevent heat loss during steam transfer
what operating pressure indicated a high-pressure boiler
- correct answer 16 PSI and above
a steam valve should be opened slowly true or false
- correct answer true
2026\2027 A+ Grade
Which valve is between the boiler and the return pump
- correct answer check valve
what is the function of the check valve
- correct answer prevent the water from returning to the condensation tank from the boiler after the
pump shuts off
four safety features required on the steam boiler are
- correct answer safety relief valve, blow-down valve, low water cut-off, and pressure gauge
safety relief valves should be set by
- correct answer qualified safety valve technician
which pressure in considered to be that of a low-pressure boiler
- correct answer 0-15 PSI MAWP
what could happen if a steam valve is opened quickly
- correct answer water could be siphoned out of the boiler causing damage to boiler and steam lines
why are steam lines insulated
- correct answer to prevent heat loss during steam transfer
what operating pressure indicated a high-pressure boiler
- correct answer 16 PSI and above
a steam valve should be opened slowly true or false
- correct answer true
