Q.1.
The size of the earth or ground wire is based on the
Q.2.
The objective of earthing or grounding is
Q.3.
Factors on which soil resistance depends
Q.4.
When earth fault occurs
Q.5.
Average resistance of human body is
Q.6.
Earth wire or ground wire is made of
Q.7.
Average resistance of a human body is
Q.8.
True or FalseAfter performing an insulation resistance test, the insulation was deemed low. This is perfect for the insulation
Q.9.
True or FalseA continuity tester may be used when performing a polarity test.
Q.10.
True or FalseThe Ohmmeter may be used for the continuity test
Q.11.
True or FalseAll lamps are removed when carrying out an insulation resistance test.
Q.12.
What test is done to find out if there are breaks in a circuit?
Q.13.
The preferred method of testing RCD's are:
Q.14.
What is an earth electrode?
Q.15.
What is earthing?
Q.16.
Fuse wire should possess
Q.17.
Which of the following reduces the earth's resistivity
Q.18.
A process that uses instruments to obtain readings or identify faults is one description of
Q.19.
A visual inspection of a new installation is carried out:
Q.20.
Which of the following earthing systems has the path for earth leakage currents via the earth itself: