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(a) An infrared gas analyser has a span of 0-1% of the component being measured. It operates at atmospheric pressure and was calibrated when

(a) An infrared gas analyser has a span of 0-1% of the component being measured. It operates at atmospheric pressure and was calibrated when the barometric pressure was 0.995 bar. The barometric pressure changes to 1.015 bar. What will the instrument read when the actual percentage of the component is (i) 0.5% (ii) 0.8%?

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