♡ 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 👍 :1.7K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ A blue line along the gum is ...
➣ Looping occurs when : ...
➣ Rainluft process is used for : ...
➣ Killing of tissue from air pollutants is ...
➣ Most natural hydrocarbons in air from : ...
➣ Pollutant Standards Index (PSI) value greater than ...
➣ Blue baze in forest area is produced ...
➣ Most dangerous hydrocarbon found in the automobile ...
➣ Leaf abscission is : ...
❖ Take a qick MCQ Test on
➤ Irrigation
➤ Concrete Technology
➤ Hydrology
➤ Fluid Mechanics and Hydraulics
➤ Soil Mechanics and Foundation
➤ Solid Waste and Waste Water Treatment
➤ Surveying
➤ Transportation Engineering