Mining Engineering > GATE 2020 > Mine Safety

Contributed by: Dr. Sarah Chen

Report Correct Copyright Claim

In the context of gas testing using flame safety lamp, the correct statement is

A

Each accumulation test has to be necessarily followed by percentage test.

B

Accumulation test is always done after percentage test.

C

Either percentage test or accumulation test can be done first.

D

Percentage test is done only in the event of accumulation test giving negative result.

Check Answer

Explanation

Correct : d

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