Air Pollution and Control Engineering MCQ. We covered all the Air Pollution and Control Engineering MCQ in this post for free so that you can practice well for the exam.
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MCQ on Air Pollution for Students
Consider the following statements. I. Asian Brown Cloud is a layer of air pollution that covers parts of the Northern Indian Ocean, India and Pakistan. II. Asian Brown Cloud is a permanent phenomenon. Which among the above statements is/are correct?
(a) Only I
(b) Only II
(c) Both I and II
(d) Neither I nor II
Option a – Only I
Consider the following statements about CFCs. I. It is a systematic gas used in aerosol spray, as refrigerants in air conditioners and refrigerators and manufacturing of foam. II. It is extremely stable and chemically non-reacting under normal conditions. III. When CFCs are released into the atmosphere, it breaks into they atmosphere; it breaks into their constituents (CI, F and C); chlorine atoms react with O, and form CIO and 0₂. Which of the statements given above is/are correct?
(a) I, II and III
(b) I and II
(c) Only II
(d) None of these
Option a – I, II and III
Consider the following. I. Carbon Monoxide II. Methane III. Ozone IV. Sulphur Dioxide Which of the above are released into the atmosphere due to the burning of crop/ biomass residue?
(a) I and II
(b) II, III and IV
(c) I and IV
(d) All of these
Option d – All of these
Consider the following statements I. Coal ash contains arsenic, lead and mercury. II. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment. III. High ash content is observed in Indian coal. Which of the statements given above is/are correct?
(a) I only
(b) II and III only
(c) III only
(d) I, II and III
Option d – I, II and III
In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or reducing carbon footprint? I. Copper slag II. Cold mix asphalt technology III. Geotextiles IV. Hot mix asphalt technology V. Portland cement Select the correct answer using the codes given below.
(a) I, II and III Only
(b) II, III and IV Only
(c) IV and V Only
(d) I and V Only
Option a – I, II and III Only
Acid rain is caused by
(a) industries
(b) petrol
(c) burning coal
(d) wood
Option a – industries
Which one of the following countries receives the most acid rain?
(a) China
(b) Japan
(c) Norway
(d) The USA
Option c – Norway
Which of the following countries suffer from acid rains? I. Canada II. France III. Norway IV. Germany Select the correct answer using the code below.
(a) I and II
(b) I and III
(c) II and III
(d) III and IV
Option b – I and III
In acid rain, the rainwater and snow are contaminated by which of the following pollutants? I. Sulphur-Dioxide II. Nitrogen Oxide III. Carbon-Dioxide IV. Methane Codes
(a) I, II and IV
(b) I and II only
(c) I, II and III
(d) II and III only
Option b – I and II only
Consider the following statements. I. Acid rain reacts with buildings made from limestone. II. Burning of sulphur-containing coal can contribute to acid rain. III. Eutrophication is an effective measure to control pollution. Which of the statements given above is/are correct?
(a) I and II
(b) II and III
(c) Only I
(d) I, II and III
Option a – I and II
Which of the following is not a water pollutant?
(a) Zinc
(b) Copper
(c) Nickel
(d) Sulphur Dioxide
Option d – Sulphur Dioxide
The non-biotic pollutant of underground water is
(a) bacteria
(b) algae
(c) arsenic
(d) viruses
Option c – arsenic
Groundwater in the Bengal basin is mostly contaminated by
(a) chromium
(b) lead
(c) cadmium
(d) arsenic
Option d – arsenic
The problem of water pollution with arsenic is maximum in
(a) Haryana
(b) Rajasthan
(c) Madhya Pradesh
(d) West Bengal
Option d – West Bengal
Which Indian river is called the ‘biological desert’?
(a) Noyale
(b) Damodar
(c) Bhiwani
(d) Bhadar
Option b – Damodar
Buddha Nullah has been the main source of pollution of which among the following rivers?
(a) Chambal
(b) Sutlej
(c) Yamuna
(d) Gandak
Option b – Sutlej
Acid rain is caused by the pollution of the environment by
(a) carbon dioxide and nitrogen.
(b) carbon monoxide and carbon dioxide.
(c) ozone and sulphur dioxide.
(d) nitrous oxide and sulphur dioxide.
Option d – nitrous oxide and sulphur dioxide
Which one of the following is a cause of acid rain?
(a) Ozone
(b) Ammonia
(c) Sulphur dioxide
(d) Carbon monoxide
Option c – Sulphur dioxide
Acid rain occurs due to
(a) acid vapour reaching the clouds.
(b) the reaction between rainwater and carbon dioxide pollutants.
(c) the reaction between clouds and sulphur dioxide pollutants.
(d) the reaction between water vapour and electric ions during lightning and cloud bursts.
Option c – the reaction between clouds and sulphur dioxide pollutants
Which of the following, when dissolved in rainwater turns water acidic (acid rain)? ( Air Pollution and Control Engineering MCQ )
(a) Oxide of sulphur
(b) Oxide of boron
(c) Hydrochloric acid
(d) Nitric acid
Option a – Oxide of sulphur
Consider the following which can be found in the ambient atmosphere. I. Soot II. Sulphur hexafluoride III. Water vapour Which of the above contributes to the warming up of the atmosphere?
(a) I and II
(b) Only Ill
(c) II and III
(d) I, II and III
Option c – II and III
Assertion (A) During winter, air pollution in Delhi reaches the maximum level. Reason (R) Combustion process in motor vehicles increases during winter.
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Option c – A is true, but R is false
Assertion (A) The smog is mainly formed during day time having a clear sky and pollution-free atmosphere. Reason (R) The UV rays of sunlight catalyses the reaction of NO₂, hydrocarbons etc containing polluted air. Codes
(a) Both A and R are true and R is the correct explanation of A.
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Option d – A is false, but R is true
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