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Electrician
Electrician Set-1
Transformers
98

Transformers MCQ - Electrician (Set-1) with Answers

98) The colour of the fresh silica gel used in breather of transformer is :

Blue

White

Green

Violet

Answer is:

Blue

Transformers MCQ - Electrician (Set-1) with Answers

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Related Transformers MCQ - Electrician (Set-1) with Answers

99) What will be the colour of the silicon gel after it absorbs moisture from air ?

Blue

Brown

Violet

Pink

Answer is:

Pink

100) Which one method of cooling is generally adopted for low capacity distribution transformer upto 100 KVA ?

Oil blast cooling method

Air blast cooling method

Forced circulation of cooling method

Natural air cooling method

Answer is:

Natural air cooling method

101) The function of conservator in a transformer is

to prevent flow of moisture into the tank

to prevent flow of air into the tank

to regulate the expansion and contraction of oil

to improve power factor

Answer is:

to regulate the expansion and contraction of oil

102) Buchholz's relay is connected in high capacity power transformers. The purpose of the Buchholz's relay is to :

arrest the flow of moisture into the tank

disconnect the transformer, when dead short circuit fault occur

flow insulating oil from the conservator tank

control the level of oil tank

Answer is:

disconnect the transformer, when dead short circuit fault occur

Transformers MCQ - Electrician (Set-1) with Answers

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