ABSA 4th Class Part A Review
| Power Engineering Exam
Prep & Practice Questions
2026/2027
,When applying to write a Power Engineer certificate of b. Hold the next lower class of qualification
competency examination, the candidate must: Select 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
A machine lifts a load of 12kN with an applied effort of 4kN. c. 1.87 m
What distance will the load move if the effort moves a
distance of 8m and the efficiency of the machine is 70%?
Select one:
a. 0.54 m
b. 3.81 m
c. 1.87 m
d. 0.38 m
Which of these is the "Mechanical Refrigeration Code"? c. CSA B52.
Select one:
a. ASME MRC
b. CSA B51.
c. CSA B52.
d. ASME Section I.
In order to ensure safe and continuous operation of a b. A bypass line, plus a safety valve and pressure gauge on the low-pressure side
pressure reducing valve, the valve station should have
_________________.
Select one:
a. A safety valve on the high-pressure side
b. A bypass line, plus a safety valve and pressure gauge
on the low-pressure side
c. Thermometers on the inlet and outlet piping
d. A strainer immediately downstream of the valve
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
The inclined "U" tube manometer: c. Is more accurate than the "U" tube manometer
Select one:
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
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
The main component of any computer is the: d. Central processing unit
Select one:
a. Keyboard
b. Screen
c. Memory
d. Central processing unit
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
,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
A control device which will change one form of energy into c. Transducer
another form of energy is the: Select one:
a. Logic device
b. Primary element
c. Transducer
d. Transmitter
The __________ valve requires specific and routine d. Tapered plug
lubrication.
Select one:
a. Butterfly
b. Globe
c. Check
d. Tapered plug
With reference to scalars and vectors, a space diagram: b. Illustrates a system of vectors
Select one:
a. Shows the relationship of time to the vector.
b. Illustrates a system of vectors.
c. Shows the relationship of the scalar to the vector.
d. Illustrates a system of scalars.
Brass and bronze are alloys of: b. copper
Select one:
a. iron
b. copper
c. aluminum
d. lead
PLC's for Burner Management Systems can: a. Have limited field configurations
Select one:
a. Have limited field configurations
b. Be used without any field testing
c. Be set up by technicians at burner repair companies
d. Be programmed by operators
Which is the workers responsibility? a. Co-operating with others on workplace safety and health
Select one:
a. Co-operating with others on workplace safety and 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
management, workers, contractors, and visitors at the
plant site
What is one of the two main purposes of the CSA B-52 b. To promote uniform requirements among the provinces and territories
code?
Select one:
a. (b) & (d)
b. To promote uniform requirements among the provinces
and territories
c. Terms and equipment relating to refrigeration and air
conditioning equipment are defined.
d. The various classifications of buildings and occupancies
are listed and described with examples of each
classification given.
, Settling ponds and grease traps are methods used to: a. decrease liquid pollution.
Select one:
a. decrease liquid pollution.
b. are part of all liquid treatment facilities.
c. remove solid matter from feedwater.
d. very effective at removing small colloidal particles from
effluent.
A simple machine is required to raise 1 tonne of stones a d. 294.27 kJ
vertical distance of 30m. If the efficiency of the pulley is
100%, how much work must be done on the pulley to raise
the stone?
Select one:
a. 294.3 J
b. 30 kJ
c. 35 kJ
d. 294.27 kJ
A proportional controller: b. Provides a proportional output based on the error between process variable and
Select one: set-point
a. Is also called a multi-position controller
b. Provides a proportional output based on the error
between process variable and set-point
c. Provides on-off control
d. Allows the process variable to always be maintained at
the set-point
One of the national standards which each jurisdiction in a. CSA B51
Canada has adopted as part of their applicable Act and/or
Regulations is the:
Select one:
a. CSA B51
b. ANSI Codes
c. ASME Codes
d. NFPA Codes
A steam boiler is blown off intermittently in order to: c. Discharge sediment and scale-forming matter from the boiler
Select one:
a. Clean the soot and carbon out of the firebox and tubes
b. Lower the dissolved solids concentration in the boiler
water
c. Discharge sediment and scale-forming matter from the
boiler
d. Locate the steam level
_______ fittings are used to provide proper drainage of c. Eccentric
water.
Select one:
a. Removable
b. Orifice
c. Eccentric
d. Tapered
Which of these is NOT used for burning coal? b. Rotary cup stoker
Select one:
a. Under feed stoker
b. Rotary cup stoker
c. Cross feed stoker
d. Chain grate stoker
Types of maintenance is classified in the following b. Routine, Preventative, Projects, and Emergency
categories:
Select one:
a. Procurement, Inventory, Estimated, and Planned
b. Routine, Preventative, Projects, and Emergency
c. Notification, Submission, Review, and Approval
d. Completion, Projection, Extension, and Considerations
| Power Engineering Exam
Prep & Practice Questions
2026/2027
,When applying to write a Power Engineer certificate of b. Hold the next lower class of qualification
competency examination, the candidate must: Select 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
A machine lifts a load of 12kN with an applied effort of 4kN. c. 1.87 m
What distance will the load move if the effort moves a
distance of 8m and the efficiency of the machine is 70%?
Select one:
a. 0.54 m
b. 3.81 m
c. 1.87 m
d. 0.38 m
Which of these is the "Mechanical Refrigeration Code"? c. CSA B52.
Select one:
a. ASME MRC
b. CSA B51.
c. CSA B52.
d. ASME Section I.
In order to ensure safe and continuous operation of a b. A bypass line, plus a safety valve and pressure gauge on the low-pressure side
pressure reducing valve, the valve station should have
_________________.
Select one:
a. A safety valve on the high-pressure side
b. A bypass line, plus a safety valve and pressure gauge
on the low-pressure side
c. Thermometers on the inlet and outlet piping
d. A strainer immediately downstream of the valve
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
The inclined "U" tube manometer: c. Is more accurate than the "U" tube manometer
Select one:
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
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
The main component of any computer is the: d. Central processing unit
Select one:
a. Keyboard
b. Screen
c. Memory
d. Central processing unit
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
,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
A control device which will change one form of energy into c. Transducer
another form of energy is the: Select one:
a. Logic device
b. Primary element
c. Transducer
d. Transmitter
The __________ valve requires specific and routine d. Tapered plug
lubrication.
Select one:
a. Butterfly
b. Globe
c. Check
d. Tapered plug
With reference to scalars and vectors, a space diagram: b. Illustrates a system of vectors
Select one:
a. Shows the relationship of time to the vector.
b. Illustrates a system of vectors.
c. Shows the relationship of the scalar to the vector.
d. Illustrates a system of scalars.
Brass and bronze are alloys of: b. copper
Select one:
a. iron
b. copper
c. aluminum
d. lead
PLC's for Burner Management Systems can: a. Have limited field configurations
Select one:
a. Have limited field configurations
b. Be used without any field testing
c. Be set up by technicians at burner repair companies
d. Be programmed by operators
Which is the workers responsibility? a. Co-operating with others on workplace safety and health
Select one:
a. Co-operating with others on workplace safety and 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
management, workers, contractors, and visitors at the
plant site
What is one of the two main purposes of the CSA B-52 b. To promote uniform requirements among the provinces and territories
code?
Select one:
a. (b) & (d)
b. To promote uniform requirements among the provinces
and territories
c. Terms and equipment relating to refrigeration and air
conditioning equipment are defined.
d. The various classifications of buildings and occupancies
are listed and described with examples of each
classification given.
, Settling ponds and grease traps are methods used to: a. decrease liquid pollution.
Select one:
a. decrease liquid pollution.
b. are part of all liquid treatment facilities.
c. remove solid matter from feedwater.
d. very effective at removing small colloidal particles from
effluent.
A simple machine is required to raise 1 tonne of stones a d. 294.27 kJ
vertical distance of 30m. If the efficiency of the pulley is
100%, how much work must be done on the pulley to raise
the stone?
Select one:
a. 294.3 J
b. 30 kJ
c. 35 kJ
d. 294.27 kJ
A proportional controller: b. Provides a proportional output based on the error between process variable and
Select one: set-point
a. Is also called a multi-position controller
b. Provides a proportional output based on the error
between process variable and set-point
c. Provides on-off control
d. Allows the process variable to always be maintained at
the set-point
One of the national standards which each jurisdiction in a. CSA B51
Canada has adopted as part of their applicable Act and/or
Regulations is the:
Select one:
a. CSA B51
b. ANSI Codes
c. ASME Codes
d. NFPA Codes
A steam boiler is blown off intermittently in order to: c. Discharge sediment and scale-forming matter from the boiler
Select one:
a. Clean the soot and carbon out of the firebox and tubes
b. Lower the dissolved solids concentration in the boiler
water
c. Discharge sediment and scale-forming matter from the
boiler
d. Locate the steam level
_______ fittings are used to provide proper drainage of c. Eccentric
water.
Select one:
a. Removable
b. Orifice
c. Eccentric
d. Tapered
Which of these is NOT used for burning coal? b. Rotary cup stoker
Select one:
a. Under feed stoker
b. Rotary cup stoker
c. Cross feed stoker
d. Chain grate stoker
Types of maintenance is classified in the following b. Routine, Preventative, Projects, and Emergency
categories:
Select one:
a. Procurement, Inventory, Estimated, and Planned
b. Routine, Preventative, Projects, and Emergency
c. Notification, Submission, Review, and Approval
d. Completion, Projection, Extension, and Considerations
