♡ 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
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Carbon monoxide has more affinity with haemoglobin ...
➣ Most natural hydrocarbons in air from : ...
➣ A device in which gas is ...
➣ Rainluft process is used for : ...
➣ Leaf abscission is : ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ Air pollution from a variety of source ...
➣ Most commonly used control device for particulate ...
➣ Radiations which are not deflected by magnetic ...
❖ Take a qick MCQ Test on
➤ Fluid Mechanics and Hydraulics
➤ Hydrology
➤ Steel Structure
➤ Solid Waste and Waste Water Treatment
➤ Miscellaneous
➤ Transportation Engineering
➤ Concrete Structure
➤ Pollution (Air and Noise)