• HOME
  • QUIZ
  • CONTACT US
EXAMIANS
  • COMPUTER
  • CURRENT AFFAIRS
  • ENGINEERING
    • Chemical Engineering
    • Civil Engineering
    • Computer Engineering
    • Electrical Engineering
    • Mechanical Engineering
  • ENGLISH GRAMMAR
  • GK
  • GUJARATI MCQ

Environmental Engineering in CE

Environmental Engineering in CE
Which of the following acts as a natural source of air pollution?

None of these
Volcanic eruption
Deforestation
Forest fire

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Exposure to SO₂ containing chimney gases results in the

All of these
Acceleration of corrosion rates of metals
Increased drying & hardening time of paints
Reduction in strength of leather & cloth

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
TLV of ammonia, nitrogen dioxide and phenol vapor in air is __________ ppm.

2000
100
1000
5

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozones.

10⁹
10⁵
10²
10¹⁵

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Tri-sodium phosphate is used in boiler water treatment to reduce

Dissolved oxygen
Caustic embrittlement
Turbidity
Suspended silica

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Thermal pollution of water increases its toxicity and oxidation of oxygen demanding waste besides favouring bacterial growth. A rise in water temperature by 10°C, doubles the toxic effects of __________ present in it.

Coal ash
Ortho-xylene
None of these
Potassium cyanide

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Environmental Engineering in CE

DOWNLOAD APP

  • APPLE
    from app store
  • ANDROID
    from play store

SEARCH

LOGIN HERE


  • GOOGLE

FIND US

  • 1.70K
    FOLLOW US
  • EXAMIANSSTUDY FOR YOUR DREAMS.
  • SUPPORT :SUPPORT EMAIL ACCOUNT : examians@yahoo.com

OTHER WEBSITES

  • GUJARATI MCQ
  • ACCOUNTIANS

QUICK LINKS

  • HOME
  • QUIZ
  • PRIVACY POLICY
  • DISCLAIMER
  • TERMS & CONDITIONS
  • CONTACT US
↑