Civil Engineering - Societal & Global Impact (3140609) MCQs

MCQs of Environment- Traditional & futuristic methods

Showing 1 to 10 out of 40 Questions
1.
Earth Day is celebrated on _____________________.
(a) 5th June
(b) 12th May
(c) 22nd April
(d) 22nd May
Answer:

Option (c)

2.
Which gas is mainly produced due to incomplete burning of wood?
(a) CO
(b) SO2
(c) NO2
(d) NO3
Answer:

Option (a)

3.
Which of the following is involved in production of carboxy haemoglobin
(a) CO
(b) SO2
(c) NO2
(d) NO3
Answer:

Option (a)

4.
Which of the following is a liquid form of aerosol?
(a) Fume
(b) Dust
(c) Mist
(d) Smoke
Answer:

Option (c)

5.
X ray films are a source of which of the following gas?
(a) SO2
(b) CO2
(c) NO2
(d) SO3
Answer:

Option (c)

6.
The maximum size of fly ash is ___________
(a) 1μm
(b) 100μm
(c) 1000μm
(d) 10μm
Answer:

Option (c)

7.
Which of the following is a secondary air pollutant?
(a) SPM
(b) PAN
(c) SO2
(d) NO2
Answer:

Option (b)

8.
The permissible concentration of PM 10 in the air is ___________
(a) 60μg/m3
(b) 40μg/m3
(c) 50μg/m3
(d) 20μg/m3
Answer:

Option (a)

9.
Which of the following is used in ceramic industries?
(a) Electrostatic precipitator
(b) Dynamic precipitator
(c) Spray tower
(d) Wet cyclonic scrubber
Answer:

Option (b)

10.
Wet scrubbers are classified into ____ types.
(a) 2
(b) 3
(c) 5
(d) 6
Answer:

Option (b)

Showing 1 to 10 out of 40 Questions