♡ 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 👍 :1.1K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Concentration of krypton in clean air is ...
➣ A device in which gas is ...
➣ Blue baze in forest area is produced ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ The category of devices by which dust ...
➣ The Gaussion model is used for prediction ...
➣ Hydrocarbon which may damage plants : ...
➣ Rainluft process is used for : ...
➣ Concentration of ozone in clean air is ...
➣ Most dangerous hydrocarbon found in the automobile ...
❖ Take a qick MCQ Test on
➤ Miscellaneous
➤ Hydrology
➤ Irrigation
➤ Solid Waste and Waste Water Treatment
➤ Concrete Technology
➤ Transportation Engineering
➤ Strength of Material
➤ Water Supply