ABSA 4TH CLASS PART A EXAM REVIEW WITH VERIFIED
ABSA 4TH CLASS PART A REVIEW
SOLUTIONS| LATEST 2025/2026.
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1. When applying to write a Power Engineer certificate of b. Hold the next lower
competency examination, the candidate must: Select class of qualification
one:
a. Undergo mandatory drug testing
b. Hold the next lower class of qualification
c. Pass a criminal records check
d. Pass both a written and oral examination
2. A machine lifts a load of 12kN with an applied effort c. 1.87 m
of 4kN. What distance will the load move if the effort
moves a distance of 8m and the efficiency of the ma-
chine is 70%?
Select one:
a. 0.54 m
b. 3.81 m
c. 1.87 m
d. 0.38 m
3. Which of these is the "Mechanical Refrigeration c. CSA B52.
Code"?
Select one:
a. ASME MRC
b. CSA B51.
c. CSA B52.
d. ASME Section I.
4. In order to ensure safe and continuous operation of a b. A bypass line, plus a
pressure reducing valve, the valve station should have safety valve and pressure
_________________. gauge on the low-pres-
Select one: sure side
a. A safety valve on the high-pressure side
b. A bypass line, plus a safety valve and pressure
, ABSA 4TH CLASS PART A REVIEW
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gauge on the low-pressure side
c. Thermometers on the inlet and outlet piping
d. A strainer immediately downstream of the valve
5. If the power dissipated by a resistor is 1.2 kW when c. 10.91
supplied with 110 V, the amperage will be _____ A.
Select one:
a. 91.666
b. 19.006
c. 10.91
d. 132
6. The inclined "U" tube manometer: c. Is more accurate than
Select one: the "U" tube manometer
a. Will measure pressure in MPa
b. Can only be used with mercury
c. Is more accurate than the "U" tube manometer
d. Is more difficult to read than the U-tube manometer
7. A valve which gives good throttling action, takes less a. Double seated valve
actuator force, but does not seal well is a: Select one:
a. Double seated valve
b. Reverse acting valve
c. Single seated valve
d. Direct acting valve
8. The main component of any computer is the: d. Central processing unit
Select one:
a. Keyboard
b. Screen
c. Memory
d. Central processing unit
, ABSA 4TH CLASS PART A REVIEW
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9. In most sizes of pipe, Schedule 40 corresponds to _____ d. Standard
wall thickness. Select one:
a. Welded only
b. Threaded only
c. Extra strong (XS)
d. Standard
10. A reducing agent or fuel could be: a. Carbon monoxide
Select one:
a. Carbon monoxide
b. A heavy metal oxide
c. Hydrogen peroxide
d. Concentrated Sulphuric acid
11. A control device which will change one form of energy c. Transducer
into another form of energy is the: Select one:
a. Logic device
b. Primary element
c. Transducer
d. Transmitter
12. The __________ valve requires specific and routine lubri- d. Tapered plug
cation.
Select one:
a. Butterfly
b. Globe
c. Check
d. Tapered plug
13. With reference to scalars and vectors, a space dia- b. Illustrates a system of
gram: vectors
Select one:
a. Shows the relationship of time to the vector.
, ABSA 4TH CLASS PART A REVIEW
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b. Illustrates a system of vectors.
c. Shows the relationship of the scalar to the vector.
d. Illustrates a system of scalars.
14. Brass and bronze are alloys of: b. copper
Select one:
a. iron
b. copper
c. aluminum
d. lead
15. PLC's for Burner Management Systems can: a. Have limited field con-
Select one: figurations
a. Have limited field configurations
b. Be used without any field testing
c. Be set up by technicians at burner repair compa-
nies
d. Be programmed by operators
16. Which is the workers responsibility? a. Co-operating with oth-
Select one: ers on workplace safety
a. Co-operating with others on workplace safety and and health
health
b. Issuing proper safety equipment to all workers
c. Clearly stated goals and objectives of the health and
safety program
d. Clearly defined roles and responsibilities for man-
agement, workers, contractors, and visitors at the
plant site
17. What is one of the two main purposes of the CSA B-52 b. To promote uniform
code? requirements among the
Select one: provinces and territories
ABSA 4TH CLASS PART A REVIEW
SOLUTIONS| LATEST 2025/2026.
Study online at https://quizlet.com/_9atyvp
1. When applying to write a Power Engineer certificate of b. Hold the next lower
competency examination, the candidate must: Select class of qualification
one:
a. Undergo mandatory drug testing
b. Hold the next lower class of qualification
c. Pass a criminal records check
d. Pass both a written and oral examination
2. A machine lifts a load of 12kN with an applied effort c. 1.87 m
of 4kN. What distance will the load move if the effort
moves a distance of 8m and the efficiency of the ma-
chine is 70%?
Select one:
a. 0.54 m
b. 3.81 m
c. 1.87 m
d. 0.38 m
3. Which of these is the "Mechanical Refrigeration c. CSA B52.
Code"?
Select one:
a. ASME MRC
b. CSA B51.
c. CSA B52.
d. ASME Section I.
4. In order to ensure safe and continuous operation of a b. A bypass line, plus a
pressure reducing valve, the valve station should have safety valve and pressure
_________________. gauge on the low-pres-
Select one: sure side
a. A safety valve on the high-pressure side
b. A bypass line, plus a safety valve and pressure
, ABSA 4TH CLASS PART A REVIEW
Study online at https://quizlet.com/_9atyvp
gauge on the low-pressure side
c. Thermometers on the inlet and outlet piping
d. A strainer immediately downstream of the valve
5. If the power dissipated by a resistor is 1.2 kW when c. 10.91
supplied with 110 V, the amperage will be _____ A.
Select one:
a. 91.666
b. 19.006
c. 10.91
d. 132
6. The inclined "U" tube manometer: c. Is more accurate than
Select one: the "U" tube manometer
a. Will measure pressure in MPa
b. Can only be used with mercury
c. Is more accurate than the "U" tube manometer
d. Is more difficult to read than the U-tube manometer
7. A valve which gives good throttling action, takes less a. Double seated valve
actuator force, but does not seal well is a: Select one:
a. Double seated valve
b. Reverse acting valve
c. Single seated valve
d. Direct acting valve
8. The main component of any computer is the: d. Central processing unit
Select one:
a. Keyboard
b. Screen
c. Memory
d. Central processing unit
, ABSA 4TH CLASS PART A REVIEW
Study online at https://quizlet.com/_9atyvp
9. In most sizes of pipe, Schedule 40 corresponds to _____ d. Standard
wall thickness. Select one:
a. Welded only
b. Threaded only
c. Extra strong (XS)
d. Standard
10. A reducing agent or fuel could be: a. Carbon monoxide
Select one:
a. Carbon monoxide
b. A heavy metal oxide
c. Hydrogen peroxide
d. Concentrated Sulphuric acid
11. A control device which will change one form of energy c. Transducer
into another form of energy is the: Select one:
a. Logic device
b. Primary element
c. Transducer
d. Transmitter
12. The __________ valve requires specific and routine lubri- d. Tapered plug
cation.
Select one:
a. Butterfly
b. Globe
c. Check
d. Tapered plug
13. With reference to scalars and vectors, a space dia- b. Illustrates a system of
gram: vectors
Select one:
a. Shows the relationship of time to the vector.
, ABSA 4TH CLASS PART A REVIEW
Study online at https://quizlet.com/_9atyvp
b. Illustrates a system of vectors.
c. Shows the relationship of the scalar to the vector.
d. Illustrates a system of scalars.
14. Brass and bronze are alloys of: b. copper
Select one:
a. iron
b. copper
c. aluminum
d. lead
15. PLC's for Burner Management Systems can: a. Have limited field con-
Select one: figurations
a. Have limited field configurations
b. Be used without any field testing
c. Be set up by technicians at burner repair compa-
nies
d. Be programmed by operators
16. Which is the workers responsibility? a. Co-operating with oth-
Select one: ers on workplace safety
a. Co-operating with others on workplace safety and and health
health
b. Issuing proper safety equipment to all workers
c. Clearly stated goals and objectives of the health and
safety program
d. Clearly defined roles and responsibilities for man-
agement, workers, contractors, and visitors at the
plant site
17. What is one of the two main purposes of the CSA B-52 b. To promote uniform
code? requirements among the
Select one: provinces and territories
