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

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

36) Which one of the following is the required size of Nichrome wire for a heating element of 1000 watts, 230 V heater at 500 degree C ?

Answer is:

24 SWG

37) What is the material used in between the outer casing and the inner tank of a geyser ?

Answer is:

Glass wool

38) Why is it necessary to fill the space between the outer casing and the inner tank of water heater with glass wool ?

Answer is:

To prevent heat loss of the hot water

39) The space between the outer casing and the inner tank of storage water heater is fitted with the heat insulation materials is

Answer is:

glass

40) Glass wool is provided in between the outer casing and inner container in storage water heater is to

Answer is:

reduce the heat loss

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