NJ Black Seal Test Newest Test 2026 | All
Questions and Correct Answers | Graded
A+ | Verified Answers | Just Released
Most steam boils are equipped for the gauge glass and water column to be blown
down how often? ---------CORRECT ANSWER-----------------Daily/ once a day
What is the basic function of the low water cut off device? ---------CORRECT
ANSWER-----------------To shut off fuel supply to burner
A three element feedwater regulator is controlled by what means? ---------
CORRECT ANSWER-----------------Steam flow, Feedwater flow and drum level.
A two element feedwater regulator is controlled by what means? ---------CORRECT
ANSWER-----------------Water level and steam flow rate.
What condition would cause a feedwater pump to become vapor bound? ---------
CORRECT ANSWER-----------------The feedwater temperature is too hot.
,What device is used on a deaerator to prevent water from backing up into the
steam line? ---------CORRECT ANSWER-----------------An overflow device.
What is the function of a vent condenser on a deaerator feedwater heater? --------
-CORRECT ANSWER-----------------To condense steam that would escape through
the vent.
A two element feedwater control device responds to the boiler drum level feed
water flow? ---------CORRECT ANSWER-----------------FALSE
On a boiler feedwater line, what type of valve is used closest to the boiler? ---------
CORRECT ANSWER-----------------A stop valve.
In your boiler plant you have pumps that are used for numerous applications. One
of the pumps has a small amount of liquid coming from the packing gland. Is this
normal or is it a problem? ---------CORRECT ANSWER-----------------This is normal
and is necessary to lubricate and cool the packing.
A thermal expansion feedwater regulator operates by? ---------CORRECT ANSWER-
----------------The expansion and contraction of a thermostatic element.
,What would one standard atmosphere at 14.7 PSI be equivalent to in feet of
water? ---------CORRECT ANSWER-----------------34 FEET
Which statement best describes the operation of a closed feedwater heater? ------
---CORRECT ANSWER-----------------The steam and water do not mix.
While making a round of your boiler room, the boiler feedwater pump is making a
strange noise. ---------CORRECT ANSWER-----------------Pump cavitation issue.
When taking over a shift, the boiler operator must first check ---------CORRECT
ANSWER-----------------Water level on all boilers online by blowing down the water
column and gauge glasses.
What chemical should be added to the boiler feedwater to prevent oxidation? ----
-----CORRECT ANSWER-----------------SODIUM SULFITE.
What water treatment chemical is used to control alkalinity in boiler feedwater? -
--------CORRECT ANSWER-----------------Caustic soda
Where is caustic embrittlement most likely to occur? ---------CORRECT ANSWER----
-------------Ona riveted joint below the water line.
, Ona PH scale, what number would represent the most acidic of a solution of
feedwater? ---------CORRECT ANSWER-----------------The most acidic would be 0
In a boiler plant system, what is the measure of degree of acid called? ---------
CORRECT ANSWER-----------------PH level
What should new or re-tubed boilers be cleaned with? ---------CORRECT ANSWER--
---------------Alkaline detergent
Which of the following would cause scale to form in a low-pressure boiler? ---------
CORRECT ANSWER-----------------Calcium and magnesium
As solids and alkalinity in boiler water increase. ---------CORRECT ANSWER------------
-----Waterside scaling is increased.
How are the tube sheets supported in a fire-tube boiler? ---------CORRECT
ANSWER-----------------By the shell, stays and tubes
Questions and Correct Answers | Graded
A+ | Verified Answers | Just Released
Most steam boils are equipped for the gauge glass and water column to be blown
down how often? ---------CORRECT ANSWER-----------------Daily/ once a day
What is the basic function of the low water cut off device? ---------CORRECT
ANSWER-----------------To shut off fuel supply to burner
A three element feedwater regulator is controlled by what means? ---------
CORRECT ANSWER-----------------Steam flow, Feedwater flow and drum level.
A two element feedwater regulator is controlled by what means? ---------CORRECT
ANSWER-----------------Water level and steam flow rate.
What condition would cause a feedwater pump to become vapor bound? ---------
CORRECT ANSWER-----------------The feedwater temperature is too hot.
,What device is used on a deaerator to prevent water from backing up into the
steam line? ---------CORRECT ANSWER-----------------An overflow device.
What is the function of a vent condenser on a deaerator feedwater heater? --------
-CORRECT ANSWER-----------------To condense steam that would escape through
the vent.
A two element feedwater control device responds to the boiler drum level feed
water flow? ---------CORRECT ANSWER-----------------FALSE
On a boiler feedwater line, what type of valve is used closest to the boiler? ---------
CORRECT ANSWER-----------------A stop valve.
In your boiler plant you have pumps that are used for numerous applications. One
of the pumps has a small amount of liquid coming from the packing gland. Is this
normal or is it a problem? ---------CORRECT ANSWER-----------------This is normal
and is necessary to lubricate and cool the packing.
A thermal expansion feedwater regulator operates by? ---------CORRECT ANSWER-
----------------The expansion and contraction of a thermostatic element.
,What would one standard atmosphere at 14.7 PSI be equivalent to in feet of
water? ---------CORRECT ANSWER-----------------34 FEET
Which statement best describes the operation of a closed feedwater heater? ------
---CORRECT ANSWER-----------------The steam and water do not mix.
While making a round of your boiler room, the boiler feedwater pump is making a
strange noise. ---------CORRECT ANSWER-----------------Pump cavitation issue.
When taking over a shift, the boiler operator must first check ---------CORRECT
ANSWER-----------------Water level on all boilers online by blowing down the water
column and gauge glasses.
What chemical should be added to the boiler feedwater to prevent oxidation? ----
-----CORRECT ANSWER-----------------SODIUM SULFITE.
What water treatment chemical is used to control alkalinity in boiler feedwater? -
--------CORRECT ANSWER-----------------Caustic soda
Where is caustic embrittlement most likely to occur? ---------CORRECT ANSWER----
-------------Ona riveted joint below the water line.
, Ona PH scale, what number would represent the most acidic of a solution of
feedwater? ---------CORRECT ANSWER-----------------The most acidic would be 0
In a boiler plant system, what is the measure of degree of acid called? ---------
CORRECT ANSWER-----------------PH level
What should new or re-tubed boilers be cleaned with? ---------CORRECT ANSWER--
---------------Alkaline detergent
Which of the following would cause scale to form in a low-pressure boiler? ---------
CORRECT ANSWER-----------------Calcium and magnesium
As solids and alkalinity in boiler water increase. ---------CORRECT ANSWER------------
-----Waterside scaling is increased.
How are the tube sheets supported in a fire-tube boiler? ---------CORRECT
ANSWER-----------------By the shell, stays and tubes
