(EWRB THEORY EXAM PREP) BASIC ELECTRICAL AND
ELECTRONIC ENGINEERING 4TH EDITION BY F. G. BELL
(AUTHOR), R. W. WHITEHEAD (AUTHOR) EXAM BASED WITH
COMPLETE SOLUTION.
What is the minimum value of the permitted test result for the insulation resistance test of a
three-phase, 400V, mains cable?
A. 0.5MΩ
B. 1MΩ
C. 2MΩ
D. 5MΩ
Correct Answer: B. 1MΩ
When carrying out testing on a low voltage electrical installation, which document details the
tests and checks required to be carried out?
A. AS/NZS 3010
B. AS/NZS 3760
C. AS/NZS 3000
D. AS/NZS 2067
Correct Answer: C. AS/NZS 3000
What is the minimum or maximum test result value you would consider acceptable for an Earth
Continuity test?
A. 0.5Ω or less
B. 1Ω or less
C. 1.5Ω or less
D. 2Ω or less
Correct Answer: B. 1Ω or less
State TWO types of electrical protection provided by an RCBO.
, A. Earth Leakage and Thermal Protection
B. Overload and Short Circuit
C. Earth Leakage and Overload
D. Short Circuit and Surge Protection
Correct Answer: C. Earth Leakage and Overload
If the voltage and current are known, what TWO other factors are required to calculate the power
consumed by a three-phase motor?
A. Efficiency and Power Factor
B. √3 and Efficiency
C. Power Factor and √3
D. Resistance and Power Factor
Correct Answer: C. √3 and Power Factor
What type of single-phase motor can be reversed by reversing the connections to the run
winding?
A. Shaded Pole Motor
B. Capacitor Start Motor
C. Split-Phase Motor
D. Cap-Start, Cap-Run Motor
Correct Answer: B. Capacitor Start Motor, C. Split-Phase Motor, or D. Cap-Start, Cap-Run
Motor (Any one of these)
What type of single-phase motor can be reversed by reversing the connections to the armature
brushes?
A. Universal Motor
B. Shaded Pole Motor
C. Series Motor
D. Capacitor Start Motor
ELECTRONIC ENGINEERING 4TH EDITION BY F. G. BELL
(AUTHOR), R. W. WHITEHEAD (AUTHOR) EXAM BASED WITH
COMPLETE SOLUTION.
What is the minimum value of the permitted test result for the insulation resistance test of a
three-phase, 400V, mains cable?
A. 0.5MΩ
B. 1MΩ
C. 2MΩ
D. 5MΩ
Correct Answer: B. 1MΩ
When carrying out testing on a low voltage electrical installation, which document details the
tests and checks required to be carried out?
A. AS/NZS 3010
B. AS/NZS 3760
C. AS/NZS 3000
D. AS/NZS 2067
Correct Answer: C. AS/NZS 3000
What is the minimum or maximum test result value you would consider acceptable for an Earth
Continuity test?
A. 0.5Ω or less
B. 1Ω or less
C. 1.5Ω or less
D. 2Ω or less
Correct Answer: B. 1Ω or less
State TWO types of electrical protection provided by an RCBO.
, A. Earth Leakage and Thermal Protection
B. Overload and Short Circuit
C. Earth Leakage and Overload
D. Short Circuit and Surge Protection
Correct Answer: C. Earth Leakage and Overload
If the voltage and current are known, what TWO other factors are required to calculate the power
consumed by a three-phase motor?
A. Efficiency and Power Factor
B. √3 and Efficiency
C. Power Factor and √3
D. Resistance and Power Factor
Correct Answer: C. √3 and Power Factor
What type of single-phase motor can be reversed by reversing the connections to the run
winding?
A. Shaded Pole Motor
B. Capacitor Start Motor
C. Split-Phase Motor
D. Cap-Start, Cap-Run Motor
Correct Answer: B. Capacitor Start Motor, C. Split-Phase Motor, or D. Cap-Start, Cap-Run
Motor (Any one of these)
What type of single-phase motor can be reversed by reversing the connections to the armature
brushes?
A. Universal Motor
B. Shaded Pole Motor
C. Series Motor
D. Capacitor Start Motor
