BOILER EXAM SAMPLE QUESTIONS AND ANSWERS #5
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
Improper mixtures of gas and air causes soot in boiler flues true or false - correct
answer true
What is a water injector - correct answer a mechanical device for forcing water into a
boiler against high pressures
What is the purpose of a baffle wall in a boiler - correct 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 - correct answer false
A boiler operator operating a boiler without a license shall be guilty of a misdemeanor
and upon conviction thereof shall be punished by a fine of not less than $25 and not
more that $100 and in addition may be imprisoned for no more thatne 2 years or both
true or fals - correct answer true
A boiler operator must have the following number of months on -the-job training before
he can take the operator's examination - correct answer 6 months minimum
Water boilers at what temperature - correct answer 212
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
Improper mixtures of gas and air causes soot in boiler flues true or false - correct
answer true
What is a water injector - correct answer a mechanical device for forcing water into a
boiler against high pressures
What is the purpose of a baffle wall in a boiler - correct 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 - correct answer false
A boiler operator operating a boiler without a license shall be guilty of a misdemeanor
and upon conviction thereof shall be punished by a fine of not less than $25 and not
more that $100 and in addition may be imprisoned for no more thatne 2 years or both
true or fals - correct answer true
A boiler operator must have the following number of months on -the-job training before
he can take the operator's examination - correct answer 6 months minimum
Water boilers at what temperature - correct answer 212
