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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

Q. What is the disadvantage of using conductometric analysers?

View solution

Q. Flame photometric analysers are specific to sulphur compounds.

View solution

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

View solution

Q. What is the primary standard level for carbon monoxide for assuring air quality?

View solution

Q. The pulmonary section of the respiratory tract consists of ___________

View solution

Q. What is the primary function(s) of the alveoli?

View solution

Q. The velocity of air reduces to zero by the time it reaches the bronchi.

View solution

Q. Particles of what size are filtered by the nasal passage?

View solution

Q. What is the effect of ozone on human respiratory system?

View solution