♡ 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 👍 :740
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ What type of noise can be abated ...
➣ Carbon monoxide in air effects : ...
➣ Pollutant standards Index (PSI) value in between ...
➣ Carbon monoxide has more affinity with haemoglobin ...
➣ For gravity settling chamber, settling velocity should ...
➣ Radiations which are not deflected by magnetic ...
➣ The Gaussion model is used for prediction ...
➣ Most natural hydrocarbons in air from : ...
➣ Most commonly used control device for particulate ...
➣ Epinasty in leaves is due to : ...
❖ Take a qick MCQ Test on
➤ Irrigation
➤ Soil Mechanics and Foundation
➤ Solid Waste and Waste Water Treatment
➤ Concrete Technology
➤ Surveying
➤ Hydrology
➤ Strength of Material
➤ Steel Structure