♡ 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 👍 :3.7K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Main impact of Greenhouse effect is : ...
➣ Lead exhausted from automobiles is responsible for ...
➣ Concentration of ozone in clean air is ...
➣ For gravity settling chamber, settling velocity should ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ Chlorophyll loss in green plants is called ...
➣ The category of devices by which dust ...
➣ Concentration of krypton in clean air is ...
➣ Most dangerous hydrocarbon found in the automobile ...
➣ Blue baze in forest area is produced ...
❖ Take a qick MCQ Test on
➤ Transportation Engineering
➤ Building Material
➤ Surveying
➤ Concrete Structure
➤ Pollution (Air and Noise)
➤ Fluid Mechanics and Hydraulics
➤ Miscellaneous
➤ Soil Mechanics and Foundation