CONTROL PANEL WIRING AND MAINTENANCE - Practice Mode

1) Which is the minimum value of insulation resistance between phase to earth terminal in electrical installation?

10 M Ohm 100 M Ohm 10 k Ohm 1 M Ohm

Correct Answer: 1 M Ohm

2) Which type of fault light will glow dim and motor runs slowly in a electrical installation?

Open circuit Earth leakage High value series resistance fault Short circuit

Correct Answer: High value series resistance fault

3) What is the function of Residual Current Circuit Breaker in electrical Installation

Protect from short circuit Protect from over current Protect from open circuit Protect from earth leakage

Correct Answer: Protect from earth leakage

4) Which helps the maintenance electrician to trouble shoot a fault in control panel in absence of operation manual?

Trouble shooting flow chart Maintenance schedule Machine register Machine maintenance card

Correct Answer: Trouble shooting flow chart

5) Which is the full form of NE code?

National Energy Code National Engineering Code National Electricity Code National employment Code

Correct Answer: National Electricity Code

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