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

Waste Water Engineering

Waste Water Engineering
If the peak discharge of a storm water drain (S.W. Drain) is expected to exceed 150 cumecs, the free board to be provided, is

90 cm
50 cm
100 cm
80 cm

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
In a grit chamber of a sewage treatment plant,

All of these
Flow velocity 0.15 m to 0.3 m/sec is kept
Depth of 0.9 m to 1.20 m is kept
One minute of detention period is kept

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The detention period for plain sedimentation water tanks, is usually

4 to 8 hours
16 to 24 hours
24 to 36 hours
8 to 16 hours

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
In a trickling filter

Both A and B
Biological action is used
Neither A nor B
Filtration process is used

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The gas which may cause explosion in sewers, is

Methane
Carbondioxide
Carbon monoxide
Ammonia

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The presence of free ammonia in sewage, is detected by

Phenol-di-sulphuric acid
Adding sulphuric acid
Adding potassium permanganate
Boiling

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Waste Water Engineering

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
↑