♡ 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 👍 :3.6K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Most commonly used control device for particulate ...
➣ Pollutant Standards Index (PSI) value greater than ...
➣ A device in which consists of bags ...
➣ Epinasty in leaves is due to : ...
➣ Carbon monoxide in air effects : ...
➣ Main impact of Greenhouse effect is : ...
➣ For gravity settling chamber, settling velocity should ...
➣ The Gaussion model is used for prediction ...
➣ A device which dust in a gas ...
➣ Radiations which are not deflected by magnetic ...
❖ Take a qick MCQ Test on
➤ Fluid Mechanics and Hydraulics
➤ Irrigation
➤ Hydrology
➤ Water Supply
➤ Soil Mechanics and Foundation
➤ Strength of Material
➤ Pollution (Air and Noise)
➤ Miscellaneous