ABSA 4TH CLASS PART A EXAM REVIEW WITH
VERIFIED SOLUTIONS| LATEST 2025/2026.
Absolute pressure is: - ...(ANSWERS)....gauge pressure plus atmospheric pressure
The motion of moving parts is _____ by friction:
A: Prevented
B: Improved
C: controlled
D: resisted
E: Regulated - ...(ANSWERS)....D: resisted
Voltage is
a) the rate of current flow
b) the rate of electron flow
c) electromotive force
d) Kinetic energy
e) A form of power - ...(ANSWERS)....c) electromotive force
The resistance of a conductor is affected by:
1. Cross section area
,2. Length
3. Temperature
4. Type of material
a) 1,2,3
b) 1,2,4
c) 1,3
d) 1,2,3,4
e) 1,2 - ...(ANSWERS)....d) 1,2,3,4
The movement of electrons in a conductor can be measured in:
a) Amperes
b) Ohms
c) Volts
d) Watts
e) Micrometer - ...(ANSWERS)....a) Amperes
An electric motor has a 3/4 horse power output rating. Calculate the rating in
kilowatts:
a) 0.56
,b) 0.75
c) 0.70
d) 7.5
e) 1.005 - ...(ANSWERS)....a) 0.56
The connection provided on DC motors to supply the armature with power:
a) are slip rings
b) are field poses
c) is a rheostat
d) commutator
e) is a rotating conductor - ...(ANSWERS)....d) commutator
The unit for the oppostion to current flow is the:
a) volt
b) amperes
c) ohm
d) watt
e) resistance - ...(ANSWERS)....c) ohm
, In an electric circuit protected by a single fuse the current flowing through the
fuse must be:
a) Equal to the voltage in the circuit
b) Equal to the resistance in the circuit
c) All of the current in the circuit
d) Equal to the rated value of the fuse
e) 1.732 times the applied current - ...(ANSWERS)....d) Equal to the rated value of
the fuse
Electric overloads may be due to
1. Applying too heavy load to an electric motor
2. Lightning strike
3. A short circuit
4. Overloading a circuit with too many devices
5. Addition of circuit breakers
a) 1,2,3,4
b) 1,3,4,5
c) 1,2,5
d) 2,3,4
VERIFIED SOLUTIONS| LATEST 2025/2026.
Absolute pressure is: - ...(ANSWERS)....gauge pressure plus atmospheric pressure
The motion of moving parts is _____ by friction:
A: Prevented
B: Improved
C: controlled
D: resisted
E: Regulated - ...(ANSWERS)....D: resisted
Voltage is
a) the rate of current flow
b) the rate of electron flow
c) electromotive force
d) Kinetic energy
e) A form of power - ...(ANSWERS)....c) electromotive force
The resistance of a conductor is affected by:
1. Cross section area
,2. Length
3. Temperature
4. Type of material
a) 1,2,3
b) 1,2,4
c) 1,3
d) 1,2,3,4
e) 1,2 - ...(ANSWERS)....d) 1,2,3,4
The movement of electrons in a conductor can be measured in:
a) Amperes
b) Ohms
c) Volts
d) Watts
e) Micrometer - ...(ANSWERS)....a) Amperes
An electric motor has a 3/4 horse power output rating. Calculate the rating in
kilowatts:
a) 0.56
,b) 0.75
c) 0.70
d) 7.5
e) 1.005 - ...(ANSWERS)....a) 0.56
The connection provided on DC motors to supply the armature with power:
a) are slip rings
b) are field poses
c) is a rheostat
d) commutator
e) is a rotating conductor - ...(ANSWERS)....d) commutator
The unit for the oppostion to current flow is the:
a) volt
b) amperes
c) ohm
d) watt
e) resistance - ...(ANSWERS)....c) ohm
, In an electric circuit protected by a single fuse the current flowing through the
fuse must be:
a) Equal to the voltage in the circuit
b) Equal to the resistance in the circuit
c) All of the current in the circuit
d) Equal to the rated value of the fuse
e) 1.732 times the applied current - ...(ANSWERS)....d) Equal to the rated value of
the fuse
Electric overloads may be due to
1. Applying too heavy load to an electric motor
2. Lightning strike
3. A short circuit
4. Overloading a circuit with too many devices
5. Addition of circuit breakers
a) 1,2,3,4
b) 1,3,4,5
c) 1,2,5
d) 2,3,4
