• 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
80% less than 200 mesh size particles are called

Grit
Smoke
Aggregates
Powder

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Coal washing waste water containing about 3% suspended solids (comprising of clay, slate, stone etc.) is treated for solid particles removal

By chemical coagulation
In clarifiers
In sedimentation tanks equipped with mechanical scrapper
In vacuum filter

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Sulphur dioxide present in the industrial chimney exhaust gases causes

Respiratory & lung disease
Reduction in plant's productivity owing to acid rain
All of these
Corrosion of building materials

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels.

140
120
170
200

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Presence of iron and manganese in water causes

Discoloration of bathroom fixtures
Reduction in its dissolved oxygen content
None of these
Temporary hardness

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
The commonest form of iron & manganese found in ground water as pollutant is in the form of their

Sulphides
Carbonates
Bi-carbonates
Chlorides

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
↑