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Environmental Engineering Important Past Papers Solved Mcqs

Environmental Engineering MCQs

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Last Updated: 07 Jun 2022

 


  • Bhopal gas tragedy in 1984 occurred due to leakage of:

A. Methane
B. Methyl Isocyanate (MIC)
C. Carbon Monoxide
D. Hydrochloric Acid

IB-3-25

Bhopal Disaster also known as Bhopal Gas Tragedy, was Methyl Isocyanate (MIC) 40 tonnes gas leakage incident on night of 2-3 December 1984 at Union Carbide India Limited Plant (Pesticide plant).

Deaths: 3,787
Location: Bhopal, Madhya Pradesh, India


  • Methyl iso-cynate (MIC) gas (TLV <1 ppm), which caused Bhopal gas tragedy in 1984 falls under the category of _____ toxic gas.

A. Moderately
B. Highly
C. Extremely
D. Very Extremely

IB-2-44


  • Persons working in cement plants and limestone quarries are more prone to disease like:

A. Asthma
B. Silicosis
C. Cancer
D. Siderosis

IB-1-2+4-13


  • Inhalation of silica dust by human being causes

A. Asphyxiation
B. Shortness of breath
C. Tuberculosis
D. Both (b) & (c)

IB-6-12


  • Siderosis is a disease caused by the inhalation of _____dust. 

A. Silica
B. Coal
C. Iron
D. None of above

IB-1-6


  • Pneumoconiosis is a disease caused by the inhalation of _____dust. 

A. Iron
B. Silica
C. Uranium ore
D. Coal

IB-1-10


  • Workers working in leather tanning & manufacturing units are more prone to disease like:

A. Asthma
B. Dermatitis
C. Cancer
D. Siderosis

IB-2-20


  • Workers working in _____ industry are most prone to white lung cancer.

A. Coal mining
B. Limestone mining
C. Textile
D. Asbestos

IB-3-6


  • Higher concentration of nitrogen dioxide in atmospheric air causes

A. Cancer
B. Bronchitis
C. Asphyxiation
D. Corrosion

IB-3-21


  • Presence of nitrates in water in excess of 50 ppm causes

A. Gastroenteritis
B. Mathenoglobenemia
C. Asphyxiation
D. Tooth decay

IB-3-9


  • Main pollutant present in automobile exhaust is

A. CO2
B. CO
C. NO
D. Hydrocarbons

IB-2-18


  • Inhalation of lead components present in automobile exhaust (using leaded petrol) causes

A. blood poisoning
B. anemia
C. nervous system disorder
D. All of above

IB-1-3


  • Fluorosis (a bone disease) is caused by the presence of high concentration of _____ in water and _____ in atmospheric air.

A. hydrocarbons
B. fluorine & hydrogen fluoride
C. hydrogen sulphides
D. nitrogen dioxide

IB-1-4


  • Fluorosis is caused due to the presence of excessive amount of _____ in drinking water.

A. Mercury
B. Lead
C. Fluoride
D. Arsenic

IB-5-6


  • Presence of a certain minimum quantity of flourine is desirable in potable water to prevent

A. Scale formation
B. Dental cavities
C. Water-borne disease
D. Corrosion

IB-4-30


  • Exposure to chemicals having carcinogenic properties cause

A. dermatitis
B. cancer
C. asphyxiation
D. asthma

IB-1-4/2-50


  • Radioactive solid nuclear wastes are disposed off by

A. high temperature incineration
B. pathological incineration
C. underground burial in concrete containers
D. pyrolysis

IB-7-3


  • What are the methods of treatment & disposal of radioactive wastes?

A. Evaporation & chemical precipitation
B. Biological methods & adsorption in ion exchange materials
C. Fixing into a solid mass with cement and sinking deep in the sea.
D. All of above

IB-2-16


  • Radioactive substances present in the polluted water stream can be removed by

A. Biological oxygen treatment
B. Coagulation and filtration
C. Adsorption in ion exchange materials
D. None of above

IB-4-10


  • Which of the following radioactive wastes emits all α, β & γ rays and hence is the most hazardous of all radioactive emitters?

A. I-131
B. Sr-90
C. Au-198
D. Ra-226

IB-2-26


  • Maximum permissible limit of industrial noise as recommended by World Health Organization (WHO) is ___ during day and ___ during night.

A. 35 dB and 40 dB
B. 95 dB and 100 dB
C. 100 dB and 50 dB
D. 75 dB and 70 dB

IB-4-19


  • Noise pollution level in a chemical plant is expressed in

A. Roentgen
B. Decibel
C. Hertz
D. None of above

IB-3-30


  • Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about _____ decibels.

A. 20
B. 60
C. 90
D. 120

IB-2-19/3-31


 

 

 

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