♡ Login
Home
Previous Papers
★
MCQs
Civil Engineering
Pollution (Air and Noise)
A blue line along the gum is ...
Que.
A blue line along the gum is caused by :
A.
virus
B.
protozoa
C.
suspended particulates
D.
lead poisoning
Right Answer is :
✓ D. lead poisoning
⚑ Report
Views 👍 :2.4K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Aerosols are defined as : ...
➣ The Gaussion model is used for prediction ...
➣ Most natural hydrocarbons in air from : ...
➣ The category of devices by which dust ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ A shall discrete mass of solid or ...
➣ A device which dust in a gas ...
➣ Rainluft process is used for : ...
➣ What type of noise can be abated ...
➣ For gravity settling chamber, settling velocity should ...
❖ Take a qick MCQ Test on
➤ Miscellaneous
➤ Soil Mechanics and Foundation
➤ Building Material
➤ Irrigation
➤ Hydrology
➤ Surveying
➤ Water Supply
➤ Steel Structure