Environmental Engineering (3160611) MCQs

MCQs of Air and noise pollution

Showing 11 to 20 out of 27 Questions
1 2 3
11.

Which is the best way to control noise pollution among the four fundamental ways?

(a)

Reduce noise at the source
(b)

Block the path of noise
(c)

Increase the path length
(d)

Protect the recipient
Answer:

Option (a)

12.

How can we reduce the noise in industries?

(a)

By not using the heavy machinery
(b)

By using rigid sealed enclosures
(c)

By using more robotics
(d)

By reduce the production of the industries
Answer:

Option (b)

13.

What is the main source of vehicular noise?

(a)

High speed
(b)

Movement of the vehicle’s tyres on the pavement
(c)

Low pressure
(d)

Fuel engine
Answer:

Option (b)

14.

 Which of the following is a way to reduce the traffic noise in the highway?

(a)

Constructing the vertical barriers
(b)

Increase the speed of the vehicles
(c)

Using old engine vehicles
(d)

Horning in unnecessary time
Answer:

Option (a)

15.

What is the best way to reduce the noise pollution around houses?

(a)

Throwing all noisy machines
(b)

 Built a noise resistant shield across the house
(c)

Use of ear buds to reduce the noise
(d)

Planting trees around houses
Answer:

Option (d)

16.

In order to reduce the roadside noise which of the following product Australian Government designed?

(a)

Sound tube
(b)

Ear buds
(c)

Ear repellent
(d)

Noise repellent
Answer:

Option (a)

17.

What is the best way to reduce aircraft noise?

(a)

By using shield around aircraft
(b)

By using quieter jet engines
(c)

By using heavy propellants
(d)

By using white paint
Answer:

Option (b)

18.

What is used during sleep in order to avoid noise pollution?

(a)

Mask
(b)

Earplugs
(c)

Cotton shirts
(d)

Jackets
Answer:

Option (b)

19.

Which of the following way reduce noise pollution?

(a)

Turn on the loud devices
(b)

Turn on white noise
(c)

Using old engines vehicles
(d)

Bursting crackers
Answer:

Option (b)

20.

Which of the following steps can take by government in order to reduce the noise pollution?

(a)

Enforcement of all noise laws
(b)

Constructing more roads
(c)

Increasing the number of vehicles
(d)

Not to create awareness about the noise pollution
Answer:

Option (a)

Showing 11 to 20 out of 27 Questions
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