♡ Login
Home
Previous Papers
★
MCQs
Civil Engineering
Pollution (Air and Noise)
Concentration of krypton in clean air is ...
Que.
Concentration of krypton in clean air is :
A.
1.1 ppm
B.
0.11 ppm
C.
0.5 ppm
D.
0.05 ppm
Right Answer is :
✓ A. 1.1 ppm
⚑ Report
Views 👍 :435
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Pollutant Standards Index (PSI) value greater than ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Main impact of Greenhouse effect is : ...
➣ Rainluft process is used for : ...
➣ Lead exhausted from automobiles is responsible for ...
➣ Chlorophyll loss in green plants is called ...
➣ Concentration of ozone in clean air is ...
➣ A device in which gas is ...
➣ What type of noise can be abated ...
❖ Take a qick MCQ Test on
➤ Solid Waste and Waste Water Treatment
➤ Miscellaneous
➤ Concrete Structure
➤ Building Material
➤ Strength of Material
➤ Pollution (Air and Noise)
➤ Transportation Engineering
➤ Irrigation