Exposure to SO2 containing chimney gases results in the__________________?

Related Mcqs:

1. TLV of NO2 & NO exposure for the human being is 5 & 25 ppm respectively. Prolonged exposure of human being to NO2 causes_________________?

   A. Skin disorder
   B. Bronchitis
   C. Bone disease
   D. Cancer

2. Sulphur dioxide present in the industrial chimney exhaust gases causes____________________?

   A. Respiratory & lung disease
   B. Reduction in plant’s productivity owing to acid rain
   C. Corrosion of building materials
   D. All A., B. and C.

3. Green house gases blanket/block the infrared radiation from earth’s surface to the atmosphere leading to its progressive warming up. Which of the following gases does not exhibit green house effect ?

   A. CO2
   B. H2
   C. SO3
   D. N2

4. Death may occur, when SO2 concentration in atmospheric air exceeds ______________ ppm?

   A. 20
   B. 100
   C. 400
   D. 200

5. Black smoke coming out of the chimney of a furnace is an indication of the use of ______________ in the furnace?

   A. Low amount of excess combustion air
   B. Large quantity of excess combustion air
   C. Hydrocarbon fuel
   D. Pulverised coal as fuel

6. White smoke coming out of the chimney of a furnace indicates the use of_________________?

   A. Low excess air
   B. Very high excess air
   C. Gaseous fuel in the furnace
   D. Liquid fuel in the furnace

7. White flue gas (resembling steam) coming out of the chimney of a thermal power plant indicates that the fuel used in the boiler furnace is_______?

   A. Tar
   B. Sulphide Coke
   C. Coke Oven Gas
   D. Pulverised coke

   Submitted by: Muhammad Mutsadiq Umer

8. Exposure to chemicals having carcinogenic properties cause___________________?

   A. Dermatitis (skin disorder)
   B. Cancer
   C. Asphyxiation
   D. Asthma

9. Exposure to small amount of ______________ results in high blood pressure & heart disease in human beings?

   A. Hydrogen sulphide
   B. Mercury
   C. Cadmium
   D. Asbestos

10. Which of the following is an adsorbent used for the removal of SO2 from gas/air ?

    A. Bog iron
    B. Limestone powder or alkalised alumina
    C. Silica gel
    D. Active carbon