What Is / Are the Main Disadvantage / S of Using

question 16

Multiple Choice

What is / are the main disadvantage / s of using oil as the quenching medium in the circuit breakers?

• A)Need periodical replacement.
• B)Risk of formation of explosive mixture with air.
• C)Possibility of causing fire hazards.
• D)All of the above.

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Definitions:

Subject Line

The title or heading of an email, designed to summarize the content or purpose of the message.

Phone Calls

Telecommunication in the form of voice or video conversations over a distance using phones or smartphones.

Paper Trail

Documentary evidence or records that trace or document a series of events, decisions, or transactions.

Tone

The implied attitude of the author toward the reader and the subject.