Test: Environmental Engineering - 8


25 Questions MCQ Test Environmental Engineering - Notes, Videos, MCQs & PPTs | Test: Environmental Engineering - 8


Description
This mock test of Test: Environmental Engineering - 8 for Chemical Engineering helps you for every Chemical Engineering entrance exam. This contains 25 Multiple Choice Questions for Chemical Engineering Test: Environmental Engineering - 8 (mcq) to study with solutions a complete question bank. The solved questions answers in this Test: Environmental Engineering - 8 quiz give you a good mix of easy questions and tough questions. Chemical Engineering students definitely take this Test: Environmental Engineering - 8 exercise for a better result in the exam. You can find other Test: Environmental Engineering - 8 extra questions, long questions & short questions for Chemical Engineering on EduRev as well by searching above.
QUESTION: 1

Pick out the correct statement.

Solution:
QUESTION: 2

BOD of raw municipal sewage may be in the range of about __________ mg/litre.

Solution:
QUESTION: 3

Irradiation of water by ultraviolet light of suitable wavelength is commonly used for disinfection of water in

Solution:
QUESTION: 4

When the concentration of SO2 in air is greater than __________ ppm, it gives a pungent smell.

Solution:
QUESTION: 5

Presence of a certain minimum quantity of flourine is desirable in potable water to prevent

Solution:
QUESTION: 6

Pick out the wrong statement.

Solution:
QUESTION: 7

Which of the following is not an air pollutant ?

Solution:
QUESTION: 8

Presence of high concentration of ozone and smog in atmospheric air causes the

Solution:
QUESTION: 9

Algae growth in water is controlled by

Solution:
QUESTION: 10

__________ is removed from water by lime-soda process.

Solution:
QUESTION: 11

Most of the bacteria in sewage are

Solution:
QUESTION: 12

Which of the following is the most major constituents of air pollutants ?

Solution:
QUESTION: 13

Shouting by a man at his full voice corresponds to a voice level of about __________ decibels.

Solution:
QUESTION: 14

Carbonaceous particles having size less than 1 μm are called

Solution:
QUESTION: 15

__________ substances present in sewage are removed in grit chamber during sewage treatment.

Solution:
QUESTION: 16

The type of bacteria which is active in trickling filter during biological treatment of sewage is the __________ bacteria.

Solution:
QUESTION: 17

Presence of dissolved impurities of __________ is responsible for the red brownish color of water.

Solution:
QUESTION: 18

TLV of aldrin in public water supply system is about __________ μg/litre.

Solution:
QUESTION: 19

A gas is termed as non-toxic, if its maximum permissible concentration (TLV) ranges from __________ ppm.

Solution:
QUESTION: 20

Removal of __________ is accomplished by aeration of water.

Solution:
QUESTION: 21

Green house effect is accentuated by

Solution:
QUESTION: 22

Thermal pollution due to excessive heat & temperature in the working place causes

Solution:
QUESTION: 23

High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes

Solution:
QUESTION: 24

World environment day is observed every year on the 5th of

Solution:
QUESTION: 25

The major reason of hydrodynamic noise (i.e., noise resulting from liquid flow) is

Solution:

Related tests