4TH CLASS ABSA EXAM PART A PRACTICE
EXAM 2026 | ACTUAL EXAM QUESTIONS
MERGED WITH CORRECT COMPLETE
SOLUTIONS || ALREADY GRADED A+ ||
2026-2027 LATEST UPDATE!!!
____ in pumps is when the pressure in the suction line to the pump
drops below the vapor pressure of the liquid.
1. Purging
2. Priming
3. Surging
4. Hammering
5. Cavitation - ANSWER-5. Cavitation
Plant fire suppression systems have ____ installed.
1. fire pumps
,2. circulating water pumps
3. circulating oil pumps
4. chemical feed pumps - ANSWER-1. fire pumps
Maintaining minimal usage of make-up water is the most effective
way to keep ____ within the boiler.
1. swell and shrinkage from occurring
2. high concentrations of oxygen
3. carryover
4. high water levels
5. low concentrations of oxygen - ANSWER-5. low concentrations of
oxygen
An extraction pump is not a required auxiliary component on a ____.
1. condensing steam turbine
2. non-condensing steam turbine
3. diesel engine
4. compressor
5. reciprocating engine - ANSWER-2. non-condensing steam turbine
When installing a ____ it must be sized to prevent the boiler pressure
rising 6% above the MAWP of the boiler.
1. check valve
2. boiler safety valve(s)
,3. seal
4. try lever
5. low-water cut off - ANSWER-2. boiler safety valve(s)
Two of the primary methods of ____ include the sulphite and sulphate
process
1. attemperator
2. chemical pulping
3. chemical evaporating
4. corrosion prevention
5. cooking liquor - ANSWER-2. chemical pulping
Crystallization may occur in situations where the ____ rises above the
upper concentration limit at the lower temperature.
1. solutions lithium bromide concentration
2. solutions freon concentration
3. solutions water concentration
4. solutions air concentration
5. solutions salt concentration - ANSWER-5. solutions salt
concentration
The lifting capacity of the ____ should always be verified before
attempting a lift.
1. slings
2. pallet
, 3. lifted object
4. ratchet
5. bearings - ANSWER-1. slings
____ is a measure of a lubricating oils ability to support various loads.
1. Viscosity
2. Flash Point
3. Fire Point
4. Pour Point
5. Neutralization Number - ANSWER-1. Viscosity
During design calculations ____ is the absolute pressure expected at
the pump suction.
1. net positive suction head available
2. net positive suction head
3. net positive suction head required
4. net positive discharge head
5. net positive discharge head available - ANSWER-3. net positive
suction head required
Which of the following affect the total heat loss from a building:
1. Radiation
2. Convection
3. Conduction
EXAM 2026 | ACTUAL EXAM QUESTIONS
MERGED WITH CORRECT COMPLETE
SOLUTIONS || ALREADY GRADED A+ ||
2026-2027 LATEST UPDATE!!!
____ in pumps is when the pressure in the suction line to the pump
drops below the vapor pressure of the liquid.
1. Purging
2. Priming
3. Surging
4. Hammering
5. Cavitation - ANSWER-5. Cavitation
Plant fire suppression systems have ____ installed.
1. fire pumps
,2. circulating water pumps
3. circulating oil pumps
4. chemical feed pumps - ANSWER-1. fire pumps
Maintaining minimal usage of make-up water is the most effective
way to keep ____ within the boiler.
1. swell and shrinkage from occurring
2. high concentrations of oxygen
3. carryover
4. high water levels
5. low concentrations of oxygen - ANSWER-5. low concentrations of
oxygen
An extraction pump is not a required auxiliary component on a ____.
1. condensing steam turbine
2. non-condensing steam turbine
3. diesel engine
4. compressor
5. reciprocating engine - ANSWER-2. non-condensing steam turbine
When installing a ____ it must be sized to prevent the boiler pressure
rising 6% above the MAWP of the boiler.
1. check valve
2. boiler safety valve(s)
,3. seal
4. try lever
5. low-water cut off - ANSWER-2. boiler safety valve(s)
Two of the primary methods of ____ include the sulphite and sulphate
process
1. attemperator
2. chemical pulping
3. chemical evaporating
4. corrosion prevention
5. cooking liquor - ANSWER-2. chemical pulping
Crystallization may occur in situations where the ____ rises above the
upper concentration limit at the lower temperature.
1. solutions lithium bromide concentration
2. solutions freon concentration
3. solutions water concentration
4. solutions air concentration
5. solutions salt concentration - ANSWER-5. solutions salt
concentration
The lifting capacity of the ____ should always be verified before
attempting a lift.
1. slings
2. pallet
, 3. lifted object
4. ratchet
5. bearings - ANSWER-1. slings
____ is a measure of a lubricating oils ability to support various loads.
1. Viscosity
2. Flash Point
3. Fire Point
4. Pour Point
5. Neutralization Number - ANSWER-1. Viscosity
During design calculations ____ is the absolute pressure expected at
the pump suction.
1. net positive suction head available
2. net positive suction head
3. net positive suction head required
4. net positive discharge head
5. net positive discharge head available - ANSWER-3. net positive
suction head required
Which of the following affect the total heat loss from a building:
1. Radiation
2. Convection
3. Conduction