STUDY QUESTIONS &
ANSWERS(RATED A+)
Which valve is between the boiler and the return pump? - ANSWERCheck Valve
What is the the function of the check valve? - ANSWERTo 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: - ANSWERSafety relief valve,
blow-down valve, low water cut-off, and pressure gauge.
Safety relief valves should be set by: - ANSWERQualified safety valve technician/firm.
Which pressure is considered to be that of a low-pressure boiler? - ANSWER0-15 PSI
MAWP
What could happen if a steam valve is open too quickly? - ANSWERWater could be
siphoned out of the boiler causing damage to the boiler and steam lines.
Why are steam lines insulated? - ANSWERTo prevent loss of heat during steam
transfer.
What operating pressure indicates a high pressure boiler? - ANSWER16 PSI and above
A steam valve should be opened slowly? - ANSWERTrue
Improper mixtures of gas and air causes soot in boiler flues - ANSWERTrue
What is a water injector (feed pump)? - ANSWERA mechanical device for forcing water
into a boiler against high pressures.
What is the purpose of a baffle wall in a boiler? - ANSWERTo distribute flame evenly.
If a boiler is not kept clean internally, scales will form and cause the boiler not to blister -
ANSWERFalse
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 $25.00 and not
more than
$100.00, and in addition may be imprisoned for not more than 2 years, or both. -
ANSWERTrue