Electrical Appliances MCQ - Electrician (Set-1) with Answers

Electrical Appliances MCQ - Electrician (Set-1) with Answers

31) Every appliance should be tested for insulation resistance before commissioning. For a water heater the insulation resistance should not be less than

Answer is:

1 mega ohm

32) The insulating material used in connecting leads of the electric heater is

Answer is:

Porcelain material

33) Calculate the current and the resistance of the heating element for an Electric heater of 250 V, 1500 W, working at 500 degree C.

Answer is:

6 amps and 41.66 ohms

34) Which among the following is the operating temperature range of an electrical stove with a bare heating element ?

Answer is:

750 Degree C to 900 Degree C

35) Which among the following is the temperature regulating component of an automatic electric iron ?

Answer is:

Thermostat

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