• 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
Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels.

160
105
135
185

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Inhalation of silica dust by human being during hand drilling in mica mining, lead & zinc mining, silica refractory manufacture and in foundaries causes

Asphyxiation (suffocation)
Tuberculosis
All of these
Shortness of breath

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Maximum allowable noise exposure limits for a man working for 8 hours a day in a noisy chemical plant is about __________ decibels.

120
90
60
20

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)?

Activated carbon adsorption
Chemical coagulation
Lagooning
Biological oxidation pond

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Scale formation in boiler is controlled by

Preheating of feed water
Eliminating H₂S in feed water
Keeping the pH value of feed water just below 7
Reduction in hardness, silica & alumina in feed water

ANSWER DOWNLOAD EXAMIANS APP

Environmental Engineering in CE
Which is the most widely used coagulant for the treatment of turbid water?

Sodium aluminate
Alum (aluminium sulphate)
Lime
Ferric chloride

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
↑