• 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
Which of the following is the most detrimental for water used in high pressure boiler?

Dissolved oxygen
Silica
Phenol
Turbidity

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
The pH value of potable water should be between

4 to 5
1 to 1.5
6.5 to 8
13 to 14

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
__________ is removed from water by lime-soda process.

Iron and manganese
Temporary hardness
Foul smell and taste
Permanent hardness

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Acute danger to human life (i.e. death) exists, if the concentration of CO₂ in atmospheric air exceeds __________ percent (by volume).

20
7
3
1

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
There are five concentric layers within the atmosphere which is differentiated on the basis of temperature. The atmospheric layer which lies close to the earth's surface in which human being along with other organisms live is called troposphere. The rate at which air temperature in the troposphere gradually decreases with height is about __________ °C/km.

15
6.5
0.05
1

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
The maximum permissible noise level to which a man working in a chemical plant can be exposed for eight hours per day is about __________ decibels.

60
105
120
90

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
↑