Black Seal NJ License Boiler Exam Questions with
Answers
Sediment is removed from the boiler from surface blowdown - T/F - -False
-Dirty gauge glass is not a state violation - T/F - -False
-Guage Glass Blowdown - -Removes dirt and sediment from the guage glass
-Surface Blowdown - -removes suspended impurities - also known as Continuous
blowdown
-Bottom Blowdown - -removes sediment at the bottom of the boiler (the dirt "settles")
-Main purpose of supplying make-up water by use of the steam system - -To supply the
proper amount of water to the boiler or maintain the water level where it's supposed to be
-What role does Nitrogen play in boiler operation - -NONE!
-Boiler water chemistry - -Maintain proper PH, control oxygen, remove sediment,
treatment prolongs boiler life
-What number PH is "neutral"? - -7
-What number PH is "acidic" - -Under 7
-What number PH is "basic" - -Above 7
-Oxygen causes... - -BOTH Pitting AND Corrosion
-A PH level that is higher than 7 means that - -The boiler water is "basic"
-Testing the LWCO can help prevent waterside explosions - T/F - -True
-A low water level condition in a boiler will activiate what? - -The flow of fuel to be
secured
-In case of a boiler incident, who should be notified? - -Chief Inspector SAME DAY (email,
report, etc)
-What does N.J.A.C stand for? - -NEW Jersey Administrative Code (NOT "NORTH" Jersey)
-What HP is a low pressure boiler? - -Over 100 HP
-What is max level of steam safety values? - -MAX 15 psi
Answers
Sediment is removed from the boiler from surface blowdown - T/F - -False
-Dirty gauge glass is not a state violation - T/F - -False
-Guage Glass Blowdown - -Removes dirt and sediment from the guage glass
-Surface Blowdown - -removes suspended impurities - also known as Continuous
blowdown
-Bottom Blowdown - -removes sediment at the bottom of the boiler (the dirt "settles")
-Main purpose of supplying make-up water by use of the steam system - -To supply the
proper amount of water to the boiler or maintain the water level where it's supposed to be
-What role does Nitrogen play in boiler operation - -NONE!
-Boiler water chemistry - -Maintain proper PH, control oxygen, remove sediment,
treatment prolongs boiler life
-What number PH is "neutral"? - -7
-What number PH is "acidic" - -Under 7
-What number PH is "basic" - -Above 7
-Oxygen causes... - -BOTH Pitting AND Corrosion
-A PH level that is higher than 7 means that - -The boiler water is "basic"
-Testing the LWCO can help prevent waterside explosions - T/F - -True
-A low water level condition in a boiler will activiate what? - -The flow of fuel to be
secured
-In case of a boiler incident, who should be notified? - -Chief Inspector SAME DAY (email,
report, etc)
-What does N.J.A.C stand for? - -NEW Jersey Administrative Code (NOT "NORTH" Jersey)
-What HP is a low pressure boiler? - -Over 100 HP
-What is max level of steam safety values? - -MAX 15 psi
