ABSA part B UPDATED ACTUAL
Questions and CORRECT Answers
Which of the following is an example of a loss of latent heat?
Steam condenses
Water evaporates
Ice melts
Refrigerant evaporates - CORRECT ANSWER -A
Steam coils with long tube lengths:
Are likely to freeze when the incoming air isextremely cold (say -35°C)
Have the greatest freezing problems at temperatures approaching €"2°C.
Cause overheating and poor set pointtracking during cold weather
Are unlikely to freeze at any temperature. - CORRECT ANSWER -B
If a new boiler is not boiled out correctly, the result may be:
Refractory damage
,Excessive waterside corrosion
Excessively high water circulation rates
Foaming - CORRECT ANSWER -D
In the event of a power failure, which of the following will likely require a manual restart when
power is restored?
small condensate return pumps
large air compressors
unit heater fans
air dryers - CORRECT ANSWER -B
One purpose of the small valve on top of the shell of most boilers, which is not required by code,
is to:
allow water into the boiler when the boiler is being drained or cooled preventing the formation of
a vacuum.
allow water to escape before the steam stop valve is opened during the warm-up period.
,allow air to escape from the boiler when the boiler is being filled with water.
allow air into the boiler when the boiler is being filled with water. - CORRECT
ANSWER -C
The cheapest and most commonly used grease is:
Potassium base
Chlorine base
Lime base
Sulphate base - CORRECT ANSWER -C
The purpose of shaft sealing on a pump is to:
Keep air in the pump
Keep the packing gland cool
Reduce fluids from leaking along the pump shaft
Prevent lubricating oil from leaving the pump - CORRECT ANSWER -C
When _____________ leached away from cooling tower wood, it is less able to resist decay.
sap is
, lignin is
cellulose is
natural extractives are - CORRECT ANSWER -D
In a chemical pulping process, lignin is removed from chipped wood in the:
Recovery boiler
Blow tank
Hogger
Digester - CORRECT ANSWER -D
For an alkaline boil out, a boiler is fired and maintained under steam pressure for about:
7 days
30 Days
48 hours
10 hours - CORRECT ANSWER -C
Questions and CORRECT Answers
Which of the following is an example of a loss of latent heat?
Steam condenses
Water evaporates
Ice melts
Refrigerant evaporates - CORRECT ANSWER -A
Steam coils with long tube lengths:
Are likely to freeze when the incoming air isextremely cold (say -35°C)
Have the greatest freezing problems at temperatures approaching €"2°C.
Cause overheating and poor set pointtracking during cold weather
Are unlikely to freeze at any temperature. - CORRECT ANSWER -B
If a new boiler is not boiled out correctly, the result may be:
Refractory damage
,Excessive waterside corrosion
Excessively high water circulation rates
Foaming - CORRECT ANSWER -D
In the event of a power failure, which of the following will likely require a manual restart when
power is restored?
small condensate return pumps
large air compressors
unit heater fans
air dryers - CORRECT ANSWER -B
One purpose of the small valve on top of the shell of most boilers, which is not required by code,
is to:
allow water into the boiler when the boiler is being drained or cooled preventing the formation of
a vacuum.
allow water to escape before the steam stop valve is opened during the warm-up period.
,allow air to escape from the boiler when the boiler is being filled with water.
allow air into the boiler when the boiler is being filled with water. - CORRECT
ANSWER -C
The cheapest and most commonly used grease is:
Potassium base
Chlorine base
Lime base
Sulphate base - CORRECT ANSWER -C
The purpose of shaft sealing on a pump is to:
Keep air in the pump
Keep the packing gland cool
Reduce fluids from leaking along the pump shaft
Prevent lubricating oil from leaving the pump - CORRECT ANSWER -C
When _____________ leached away from cooling tower wood, it is less able to resist decay.
sap is
, lignin is
cellulose is
natural extractives are - CORRECT ANSWER -D
In a chemical pulping process, lignin is removed from chipped wood in the:
Recovery boiler
Blow tank
Hogger
Digester - CORRECT ANSWER -D
For an alkaline boil out, a boiler is fired and maintained under steam pressure for about:
7 days
30 Days
48 hours
10 hours - CORRECT ANSWER -C
