• 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 diameter of sewer is 225 mm, the gradient required for generating self cleansing velocity, is

1 in 60
None of these
1 in 100
1 in 120

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
Sludge banks are formed if sewage is disposed of in

Rivers
None of these
Lakes
Seas

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
If a 2% solution of sewage sample is incubated for 5 days at 20°C and the dissolved oxygen depletion was found to be 8 mg/l. The BOD of the sewage is

400 mg/l
300 mg/l
100 mg/l
200 mg/l

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The most widely used pump for lifting sewage is

Air pressure pump
Pneumatic ejector
Reciprocating pump
Centrifugal pump

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
If is the diameter of upper circular portion, the overall depth of a standard egg shaped section, is

1.75 D
1.5 D
1.25 D
1.15 D

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
In sewers the velocity of flow should not be

Less than the self-cleansing velocity
More than 20 m/sec
Less than 10 m/sec
More than the self-cleansing velocity

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
↑