Black Seal: Boiler- Low pressure
boiler practice Exam Questions and
Correct Answers.
Which valve is between the boiler and the return pump - Answer check valve
what is the function of the check valve - 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 - Answer safety relief valve, blow-down
valve, low water cut-off, and pressure gauge
safety relief valves should be set by - Answer qualified safety valve technician
which pressure in considered to be that of a low-pressure boiler - Answer 0-15 PSI MAWP
what could happen if a steam valve is opened quickly - Answer water could be siphoned out
of the boiler causing damage to boiler and steam lines
why are steam lines insulated - Answer to prevent heat loss during steam transfer
what operating pressure indicated a high-pressure boiler - Answer 16 PSI and above
a steam valve should be opened slowly true or false - Answer true
improper mixtures of gas and air causes soot in boiler flues true or false - Answer true
what is a water injector - Answer a mechanical device for forcing water into a boiler against
high pressures
what is the purpose of a baffle wall in a boiler - Answer to distribute flame evenly
If a boiler is not kept clean internally, scales will form and cause the boiler to blister true or false
- Answer false
boiler practice Exam Questions and
Correct Answers.
Which valve is between the boiler and the return pump - Answer check valve
what is the function of the check valve - 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 - Answer safety relief valve, blow-down
valve, low water cut-off, and pressure gauge
safety relief valves should be set by - Answer qualified safety valve technician
which pressure in considered to be that of a low-pressure boiler - Answer 0-15 PSI MAWP
what could happen if a steam valve is opened quickly - Answer water could be siphoned out
of the boiler causing damage to boiler and steam lines
why are steam lines insulated - Answer to prevent heat loss during steam transfer
what operating pressure indicated a high-pressure boiler - Answer 16 PSI and above
a steam valve should be opened slowly true or false - Answer true
improper mixtures of gas and air causes soot in boiler flues true or false - Answer true
what is a water injector - Answer a mechanical device for forcing water into a boiler against
high pressures
what is the purpose of a baffle wall in a boiler - Answer to distribute flame evenly
If a boiler is not kept clean internally, scales will form and cause the boiler to blister true or false
- Answer false
