36) What is the function of circuit breaker?

Answer is:

Breaking automatically at abnormal condition

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37) What is the function of bimetallic strip in MCB ?

Answer is:

Over load protection

38) What protection offered by residual current circuit breaker?

Answer is:

Protection from shock

39) Which wiring is suitable for temporary installations?

Answer is:

Cleat wiring

Explanation:

Cleat wiring comprises of PVC insulated wires or ordinary VIR that are braided and compounded. They are held on walls and ceilings using porcelain cleats with groves, wood or plastic. Cleat wiring is a temporary wiring system, therefore making it unsuitable for domestic premises.