Why should a temporary earth bond be fitted before cutting into any metallic pipework?
science revision 23/24

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Science
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Professional Development
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Medium
jon May
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56 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To prevent water leakage
To maintain the earth continuity
To measure the pipe's diameter
To check the water pressure
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How long should the clamps of a temporary earth bond be left in place?
Until the pipework is replaced
Until the pipework is tested for leaks
Until the permanent electrical continuity is re-established
Until the temporary earth bond is no longer needed
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What must all circuits and appliances be protected by according to modern regulations?
An RCD only
A fuse or MCB
A fuse or MCB and an RCD
Isolation switch
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where is permanent de-commissioning done?
At the appliance
At the consumer unit
At the main switch
At the circuit breaker
5.
OPEN ENDED QUESTION
3 mins • 1 pt
What is required for every circuit and appliance for safety?
Evaluate responses using AI:
OFF
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where can temporary de-commissioning be done?
At the consumer unit
At the main switch
At the appliance
At the circuit breaker
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the symbol with a straight line on top of a dashed line represent in electrical diagrams?
AC symbol
Ground connection
DC symbol for rectified current
DC symbol for battery
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