• 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
Which one of the following gases is most significant as air pollutant?

Nitrogen
Carbondioxide
Oxygen
Sulphur-dioxide

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
The angle subtended by the surface of sewer water with partial flow, at sewer centre is 120°, the depth of sewerage is

50 cm
20 cm
25 cm
40 cm

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
Discrete or granular particles change their

Shape
Weight
None of these
Size

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains

Oxygen
Carbon dioxide
Methane
Hydrogen sulphide

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
Sewer ventilating columns are generally placed at

Distances 150 m to 300 m
Every change in the size of sewers
All listed here
Upper ends of branch sewers

ANSWER DOWNLOAD EXAMIANS APP

Waste Water Engineering
In very first stage of decomposition of the organic matter in sewage

Ammonia is formed
Carbondioxide is formed
Nitrates are formed
Nitrites are formed

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
↑