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Non-Dispersive Ultraviolet (NDUV) analysers are primarily used to detect which of the following two gases?

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in Environmental Engineering by (81.4k points)
Non-Dispersive Ultraviolet (NDUV) analysers are primarily used to detect which of the following two gases?

(a) Oxygen and Carbon Dioxide

(b) Oxygen and Nitrogen Dioxide

(c) Nitrogen Dioxide and Sulphur Dioxide

(d) Sulphur Dioxide and Oxygen

The question was posed to me in an interview.

My question is taken from Air Pollution in portion Air Pollution of Environmental Engineering

1 Answer

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Best answer
Correct answer is (c) Nitrogen Dioxide and Sulphur Dioxide

For explanation: NDUV analysers are mainly used to detect nitrogen dioxide and sulphur dioxide.

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