Civil Engineering MCQJE Level Civil Engineering
In RRB JE context, particulate matter PM2.5 is:
Environment and Pollution ControlBasics of Environment and Pollution ControlHARD
Choose the correct answer
A
2.5 mm sand
B
particles with diameter up to 2.5 micrometre
C
2.5 cm gravel
D
2.5 m wave
Correct Answer
B. particles with diameter up to 2.5 micrometre
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particles with diameter up to 2.5 micrometre is the correct association for particulate matter PM2.5.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.