Test: Environmental Engineering - 1


25 Questions MCQ Test Environmental Engineering | Test: Environmental Engineering - 1


Description
Attempt Test: Environmental Engineering - 1 | 25 questions in 25 minutes | Mock test for Chemical Engineering preparation | Free important questions MCQ to study Environmental Engineering for Chemical Engineering Exam | Download free PDF with solutions
QUESTION: 1

Suspended solid present in the waste water generated in blast furnace gas cooling and cleaning plant is removed by

Solution:
QUESTION: 2

Persons working in cement plants and limestone quarries are more prone to disease like

Solution:
QUESTION: 3

Operating principle of cyclone separator is based on the action of __________ dust particles.

Solution:
QUESTION: 4

Exposure to small amount of __________ results in high blood pressure & heart disease in human beings.

Solution:
QUESTION: 5

Particulates (< 1μm size) remaining suspended in air indefinitely and transported by wind currents are called

Solution:
QUESTION: 6

Maximum allowable concentration of CO2 in air for safe working is __________ ppm (parts per million).

Solution:
QUESTION: 7

Tolerable limit of nitrogen oxides in air is __________ ppm.

Solution:
QUESTION: 8

Iron & manganese present as pollutant in water can not be removed by

Solution:
QUESTION: 9

In water chemical treatment plant, use of chloramines ensures

Solution:
QUESTION: 10

Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants ?

Solution:
QUESTION: 11

H2S present in gaseous stream can be removed by adsorption on

Solution:
QUESTION: 12

During which of the following operating conditions of an automobile, carbon monoxide content in the exhaust gas is maximum ?

Solution:
QUESTION: 13

Replenishment of dissolved oxygen in water stream polluted with industrial waste occurs by

Solution:
QUESTION: 14

Inhalation of lead compounds present in automobile exhaust (using leaded petrol) causes

Solution:
QUESTION: 15

Aerodynamic noise resulting from turbulent gas flow is the most prevalent source of valve noise in fluid ilow control. It is caused due to

Solution:
QUESTION: 16

Smoke is produced due to

Solution:
QUESTION: 17

Fluorosis (a bone disease) is caused by the presence of high concentration of __________ in atmospheric air.

Solution:
QUESTION: 18

Threshold Limit Value (TLV) is the maximum allowable concentration (i.e. safe limit) of pollutants in air. Safe limit for SO2 in air is __________ ppm.

Solution:
QUESTION: 19

Exposure to chemicals having carcinogenic properties cause

Solution:
QUESTION: 20

Main pollutants released from iron & steel industry is

Solution:
QUESTION: 21

Scale formation in boiler is controlled by

Solution:
QUESTION: 22

Noise level heard at a distance of about 100 metres from a jet engine with after burner is about __________ decibels.

Solution:
QUESTION: 23

TLV of mercury in potable (drinking) water is about __________ ppm.

Solution:
QUESTION: 24

Which is the best and the most effective method for the removal of organic contaminant present in the polluted water in very small quantity (say < 200 mg/litre)?

Solution:
QUESTION: 25

Which is a secondary air pollutant ?

Solution:
Use Code STAYHOME200 and get INR 200 additional OFF
Use Coupon Code