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EWRB Exams questions answered with complete solution updated 2024/25 $10.99   Add to cart
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Exam (elaborations)

EWRB Exams questions answered with complete solution updated 2024/25
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  • EWRB
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  • EWRB

key to success on EWRB exams lies in developing a strong understanding of the key words and phrases that are commonly used in the exam questions provided

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Document information

  • October 7, 2024
  • 3
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

Subjects

  • ewrb exam
  • insulation resistance test
  • receptacle hallway dwelling unit
  • three phase current and neutral current

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  • EWRB
  • EWRB

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EWRB Exams questions answered with complete solution
updated 2024/25
Question 1:
A new flexible chord has been fitted, which of the following insolation resistance
test values would be correct?

A. 10 MOhm
B. 0.5 Ohm
C. 0.5 MOhm
D. 1. Ohm - correct answer ✔ A. 10 MOhm
Question 2:
The maximum current a flexible cord can carry safely without overheating
depends mainly on:

A. The type of supply, a.c. or d.c.
B. The cross-sectional area of the flexible cord conductors.
C. The colours of the flexible cord conductors.
D. The number of cores in the flexible cord. - correct answer ✔ B. The cross-
sectional area of the flexible cord conductors.
Question 3:
A 230V heater comprises two elements connected in series across the supply.
If one resistance becomes open-circuited, what is the voltage across the other
resistance?

A. 0V
B. 400v
C. 690v
D. 230v - correct answer ✔ A. 0V
Question 4:
The symbol of a square within a square on a name-plate of an electrical appliance
is used to indicate that the appliance is double-insulated.
Which one of the following terms on an appliance nameplate would also indicate
that the appliance is double-insulated.

A. Class I
B. Class II
C. All- insulated
D. 240v - correct answer ✔ B. Class II

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