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

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

41) What should be the value of resistance between the contacts of a new thermostat at the lowest temperature setting of the control knob in heater ?

Answer is:

Zero ohm or few ohms

42) You have to repair a geyser, which does not provide hot water. What can be the possible cause ?

Answer is:

Open in the thermostat contacts

43) In the geyser, the following fault is occurred i.e. the fuse is blowing repeatedly. What will be the main reason for the above fault ?

Answer is:

Grounded heating element

44) There is a fault in the geyser i.e. it does not provide hot water when it is switched 'ON'. What may be the cause for this fault ?

Answer is:

Thermostat contacts are in open condition

45) You have to repair a hot water geyser. The geyser does not provide hot water. The defect can be found by checking

Answer is:

wiring connection for open circuit and loose connections

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