EWRB EXAMS QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
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EWRB
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EWRB
EWRB EXAMS QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS VERIFIED GRADED A++
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
A. 10 MOhm
Question 2:
The maximum current...
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EWRB EXAMS QUESTIONS AND ANSWERS WITH
COMPLETE SOLUTIONS VERIFIED GRADED A++
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
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.
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
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
B. Class II
Question 5:
A switch controls two heating elements both of the same resistance. The settings that can be selected
on the switch are high, medium and low. When the high position is selected on the switch, it will
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