Exam Questions and Answers (Latest
2026)
Absolute pressure is: - Correct Answers ✅gauge pressure
plus atmospheric pressure
The motion of moving parts is _____ by friction:
A: Prevented
B: Improved
C: controlled
D: resisted
E: Regulated - Correct 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 - Correct Answers ✅c) electromotive
force
The resistance of a conductor is affected by:
1. Cross section area
,4th Class ABSA Exam Part A Practice
Exam Questions and Answers (Latest
2026)
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 - Correct 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 - Correct Answers ✅a) Amperes
An electric motor has a 3/4 horse power output rating.
Calculate the rating in kilowatts:
,4th Class ABSA Exam Part A Practice
Exam Questions and Answers (Latest
2026)
a) 0.56
b) 0.75
c) 0.70
d) 7.5
e) 1.005 - Correct 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 - Correct Answers ✅d)
commutator
The unit for the oppostion to current flow is the:
a) volt
b) amperes
c) ohm
d) watt
, 4th Class ABSA Exam Part A Practice
Exam Questions and Answers (Latest
2026)
e) resistance - Correct 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 - Correct 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