• 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
As compared to fresh river water, sea water contains oxygen

20% less
20% more
10% more
10% less

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The detention time of a circular tank of diameter d and water depth H, for receiving the sewage Q per hour, is

d (0.285d + 0.011H)/Q
d (0.022d + 0.085H)/Q
d (0.785d + 0.011H)/Q
d² (0.011d + 0.785H)/Q

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
In sewage, the solids in mg per litre is

1000 to 1500
500 to 1000
1500 to 2000
100 to 500

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The sewage treatment in septic tanks is due to

Aerobic decomposition
None of these
Anaerobic decomposition
Parasitic decomposition

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The screens are fixed

At an angle 30° to 60° to the direction of flow
Perpendicular to the direction of flow
Parallel to the direction of flow
None of these

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The normal values of over flow rates for sedimentation tanks using coagulant, ranges between

40,000 to 50,000 litres/sqm/day
80,000 to 100,000 litres/sqm/day
50,000 to 60,000 litres/sqm/day
25,000 to 35,000 litres/sqm/day

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
↑