Q. When Environmental Lapse Rate (ELR) is greater than Adiabatic Lapse Rate (ALR), then which of the following occurs?

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Q. Which of the following is the absorption unit?

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Q. Which of the following catalyst is used for removing hydrocarbon from gaseous pollutant in combustion unit?

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Q. Which of the following is not a part of adsorption unit?

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Q. Which of the following is a bulk phenomena?

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Q. Which of the following is not an adsorbent?

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Q. What is the principle behind which opacity monitors/transmissometers work?

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Q. Are any of the following monitors used to measure the concentration of particular gases from the exhaust generated in vehicles?

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Q. What does the abbreviation NDIR stand for, in the category of spectrometric analysers?

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

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Q. NDUV monitors use a reference gas to analyse other gases.

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Q. NDUV analysis is also known as the differential absorption.

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Q. Fluorescence analysers are used to analyse which of the following gases?

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Q. Electroanalytical monitors rely on which of the following methods?

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Q. Which of the following analyser is used for oxygen analysis?

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Q. In-situ cross stack analysers work behind which of the following principles?

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Q. In-situ in-stack analysers are used for measuring concentrations of which of the following gases?

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Q. What is the disadvantage of using conductometric analysers?

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Q. Flame photometric analysers are specific to sulphur compounds.

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Q. Airshed modelling takes into account the effects of only stationary sources and not the mobile sources of pollution.

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