♡ 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 👍 :621
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ A state in which warmer air lies ...
➣ Leaf abscission is : ...
➣ Main impact of Greenhouse effect is : ...
➣ The Gaussion model is used for prediction ...
➣ Hydrocarbon which may damage plants : ...
➣ Carbon monoxide has more affinity with haemoglobin ...
➣ A device in which gas is ...
➣ Pollution of air due to smoking by ...
➣ Air pollution from a variety of source ...
➣ What type of noise can be abated ...
❖ Take a qick MCQ Test on
➤ Solid Waste and Waste Water Treatment
➤ Pollution (Air and Noise)
➤ Concrete Structure
➤ Building Material
➤ Water Supply
➤ Soil Mechanics and Foundation
➤ Steel Structure
➤ Surveying