4th Class ABSA Exam Part A Practice Actual Exam

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4th Class ABSA Exam Part A Practice Actual Exam Newest 2026-2027 Actual Exam With Complete 1000 Questions And Correct Detailed Answers (Verified Answers) |Already Graded A+

Absolute pressure is: - ANSWER-gauge pressure plus atmospheric

pressure

The motion of moving parts is _____ by friction:

A: Prevented

B: Improved

C: controlled

D: resisted

E: Regulated - ANSWER-D: resisted

Voltage is

• the rate of current flow
• the rate of electron flow
• electromotive force

d) Kinetic energy

e) A form of power - ANSWER-c) electromotive force 1 / 4

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The resistance of a conductor is affected by:

• Cross section area
• Length
• Temperature
• Type of material

• 1,2,3
• 1,2,4
• 1,3
• 1,2,3,4
• 1,2 - ANSWER-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 - ANSWER-a) Amperes

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An electric motor has a 3/4 horse power output rating. Calculate the

rating in kilowatts:

• 0.56
• 0.75
• 0.70
• 7.5
• 1.005 - ANSWER-a) 0.56

The connection provided on DC motors to supply the armature with

power:

• are slip rings
• are field poses
• is a rheostat
• commutator
• is a rotating conductor - ANSWER-d) commutator

The unit for the oppostion to current flow is the:

• volt
• amperes
• ohm 3 / 4

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• watt
• resistance - ANSWER-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

• 1.732 times the applied current - ANSWER-d) Equal to the rated

value of the fuse

Electric overloads may be due to

• Applying too heavy load to an electric motor
• Lightning strike
• A short circuit
• Overloading a circuit with too many devices
• Addition of circuit breakers

• 1,2,3,4
• 1,3,4,5
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