Black Seal: Practice Test #1 Questions
and Answers.
Absolute pressure is equal to - Answer gauge pressure plus atmospheric
The MAWP on a High-Pressure Steam Boiler is greater than - Answer 15 PSIG
The Asme Code states; Boilers with over _______ square feet of heating surface must have two
or more safety valves. - Answer 500
The ___________ regulates the high and low fire of the burner. - Answer Modulating
pressure control
The water Column/Gauge Glass should be blown down ___________ - Answer once per shift
The primary function of the Low Water Fuel Cutoff is to ________________. - Answer Shut
down the burner if the water level drops.
The low water fuel cut off should be tested ____________________. - Answer daily
Mechanical draft is produced by ________ - Answer power driven fans
High and low pressure gauges are calibrated in pounds per ____________ - Answer square
inch.
Combination force and induced draft is also known as ___________ draft. - Answer balanced
Draft in a bolier is measured in ________ - Answer inches of water
The oldest form of draft used in a boiler is ___________ - Answer natural
Oxygen in the boiler water causes ________. - Answer pitting
A boiler that is priming has ___________ - Answer water carried over with steam
, The first thing a boiler operator should do when taking over a shift is ________ - Answer
check the boiler water level.
Preparation for a boiler inspection requires having the boiler __________ - Answer drained,
cooled, opened and thoroughly cleaned, etc.
The water column and gauge glass are blown down to _____________ - Answer ensure
accurate boiler water level reading.
A furnance explosion can be prevented by ___________ - Answer purging after ignition
failure.
If in good standing, an expired license can be renewed (with a fine) within: - Answer 3 years
As solids and alkalinity in boiler water increase ___________. - Answer waterside scaling is
increased.
What is the most readily discernible indication of firing with insufficient _________secondary
air? - Answer black smoke coming from the stack
How do you clean new or re-tubed boilers? - Answer Use and alkaline detergent solution
What is the maximum size of the bottom blowdown line and surface blowdown line? - Answer
2.5"
To avoid the danger of a furnance exploaion during start-up, firing sequence allows for: _______
- Answer a pre-purge period
On cast iron sectional boliers, where should makeup water be added to the bolier for best
results? - Answer In the return line.
A black seal low pressure license will allow you to operate low pressue boliers up to _____ -
Answer no limit
What is the basic function of an automatic feedwater regulator? - Answer Maintain boiler
water at proper level.
What happens if a steam trap continuously blows through? - Answer Steam will vent from
condensate tank
and Answers.
Absolute pressure is equal to - Answer gauge pressure plus atmospheric
The MAWP on a High-Pressure Steam Boiler is greater than - Answer 15 PSIG
The Asme Code states; Boilers with over _______ square feet of heating surface must have two
or more safety valves. - Answer 500
The ___________ regulates the high and low fire of the burner. - Answer Modulating
pressure control
The water Column/Gauge Glass should be blown down ___________ - Answer once per shift
The primary function of the Low Water Fuel Cutoff is to ________________. - Answer Shut
down the burner if the water level drops.
The low water fuel cut off should be tested ____________________. - Answer daily
Mechanical draft is produced by ________ - Answer power driven fans
High and low pressure gauges are calibrated in pounds per ____________ - Answer square
inch.
Combination force and induced draft is also known as ___________ draft. - Answer balanced
Draft in a bolier is measured in ________ - Answer inches of water
The oldest form of draft used in a boiler is ___________ - Answer natural
Oxygen in the boiler water causes ________. - Answer pitting
A boiler that is priming has ___________ - Answer water carried over with steam
, The first thing a boiler operator should do when taking over a shift is ________ - Answer
check the boiler water level.
Preparation for a boiler inspection requires having the boiler __________ - Answer drained,
cooled, opened and thoroughly cleaned, etc.
The water column and gauge glass are blown down to _____________ - Answer ensure
accurate boiler water level reading.
A furnance explosion can be prevented by ___________ - Answer purging after ignition
failure.
If in good standing, an expired license can be renewed (with a fine) within: - Answer 3 years
As solids and alkalinity in boiler water increase ___________. - Answer waterside scaling is
increased.
What is the most readily discernible indication of firing with insufficient _________secondary
air? - Answer black smoke coming from the stack
How do you clean new or re-tubed boilers? - Answer Use and alkaline detergent solution
What is the maximum size of the bottom blowdown line and surface blowdown line? - Answer
2.5"
To avoid the danger of a furnance exploaion during start-up, firing sequence allows for: _______
- Answer a pre-purge period
On cast iron sectional boliers, where should makeup water be added to the bolier for best
results? - Answer In the return line.
A black seal low pressure license will allow you to operate low pressue boliers up to _____ -
Answer no limit
What is the basic function of an automatic feedwater regulator? - Answer Maintain boiler
water at proper level.
What happens if a steam trap continuously blows through? - Answer Steam will vent from
condensate tank
