ABSA part B Exam Questions And
Answer
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
,ABSA part B Exam Questions And
Answer
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
,ABSA part B Exam Questions And
Answer
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
, ABSA part B Exam Questions And
Answer
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
Answer
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
,ABSA part B Exam Questions And
Answer
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
,ABSA part B Exam Questions And
Answer
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
, ABSA part B Exam Questions And
Answer
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
