• 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
Threshold limit value (TLV) means maximum permissible/acceptable concentration. TLV of phosgene in air is about __________ ppm (parts per million).

0.2
4.8
0.002
1.2

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Iron & manganese present in the polluted water is removed by

Chemical coagulation
Chlorination only
Oxidation followed by settling & filtration
Simple filtration

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Photochemical smog is formed from automobile exhaust

Appears only on sunny days
All of these
Is harmful for crops and trees also besides causing eye irritation & asthma
By reaction of hydrocarbon & nitric oxide in presence of sunlight

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Which of the following pollutants is not emitted during volcanic eruptions?

CO
Hydrocarbons
H₂S
SO₂

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Inhalation of lead compounds present in the automobile exhausts (using leaded petrol) causes

Anaemia
All of these
Nervous system disorder
Blood poisoning

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
A shallow pond in which the sewage is retained and biologically treated is called

Imhoff tank
Lagoon
Skimming tank
Oxidation

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
↑