NJ Boiler Black Seal LP 3 || with Complete Solution.
The most positive means of determining the actual water level in a steam boiler is to: correct
answers operate the try-cocks
Of the following, the best way to determine the water level in a steam boiler is: correct answers
by the use of the try-cocks
A common type of feedwater regulator found on low pressure boilers is a: correct answers
pressure sensitive device
While making a round of your boiler room, the boiler feedwater is making a strange noise. The
pump casing and the temperature of the water has risen above normal. What would most likely
cause this problem? correct answers pump cavitation issue
In your boiler plant you have two 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 answers this is normal and is necessary to lubricate and cool the packing
What is the primary purpose of a feedwater regulator? correct answers to maintain the water
level in the boiler at the proper level
Which of the following valves is used in a steam feedwater supply line to control the direction of
fluid flow to prevent backflow in a system? correct answers check valve
What is the prime purpose of the try cocks found on boilers? correct answers to ascertain the
water level in the boiler
The most important rule in the safe operation of a steam boiler is to: correct answers keep the
boiler water at the proper level
, An operator must be familiar with how water pressure works and the basic concepts that
determine pressure head. Therefore, a column of water 1-inch and 1-foot high weighs how
much? correct answers .433 lbs
When taking over a shift, the operator must first check: correct answers water level on all boilers
online by blowing down the water column and gauge glass
The water temperature indicator of a hot water heating boiler should measure the temperature:
correct answers at the boiler supply
What should new or re-tubed boilers be cleaned with? correct answers an alkaline detergent
solution
What will excessive oxygen in the boiler water cause to take place? correct answers pitting of
boiler metal
Which of the following water treatment processes are used to treat boiler feedwater before it
enters the boiler? correct answers all of the above
On a pH scale what number would represent the most acidic of a solution of feedwater? correct
answers The most acidic would be 0
What chemical would be used to control alkalinity in a boiler? correct answers caustic soda
Which of the following would cause scale to form in a low pressure boiler? correct answers
calcium and magnesium
At what pH should the boiler water in a low pressure boiler be maintained? correct answers pH
11
The most positive means of determining the actual water level in a steam boiler is to: correct
answers operate the try-cocks
Of the following, the best way to determine the water level in a steam boiler is: correct answers
by the use of the try-cocks
A common type of feedwater regulator found on low pressure boilers is a: correct answers
pressure sensitive device
While making a round of your boiler room, the boiler feedwater is making a strange noise. The
pump casing and the temperature of the water has risen above normal. What would most likely
cause this problem? correct answers pump cavitation issue
In your boiler plant you have two 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 answers this is normal and is necessary to lubricate and cool the packing
What is the primary purpose of a feedwater regulator? correct answers to maintain the water
level in the boiler at the proper level
Which of the following valves is used in a steam feedwater supply line to control the direction of
fluid flow to prevent backflow in a system? correct answers check valve
What is the prime purpose of the try cocks found on boilers? correct answers to ascertain the
water level in the boiler
The most important rule in the safe operation of a steam boiler is to: correct answers keep the
boiler water at the proper level
, An operator must be familiar with how water pressure works and the basic concepts that
determine pressure head. Therefore, a column of water 1-inch and 1-foot high weighs how
much? correct answers .433 lbs
When taking over a shift, the operator must first check: correct answers water level on all boilers
online by blowing down the water column and gauge glass
The water temperature indicator of a hot water heating boiler should measure the temperature:
correct answers at the boiler supply
What should new or re-tubed boilers be cleaned with? correct answers an alkaline detergent
solution
What will excessive oxygen in the boiler water cause to take place? correct answers pitting of
boiler metal
Which of the following water treatment processes are used to treat boiler feedwater before it
enters the boiler? correct answers all of the above
On a pH scale what number would represent the most acidic of a solution of feedwater? correct
answers The most acidic would be 0
What chemical would be used to control alkalinity in a boiler? correct answers caustic soda
Which of the following would cause scale to form in a low pressure boiler? correct answers
calcium and magnesium
At what pH should the boiler water in a low pressure boiler be maintained? correct answers pH
11
