Explore topic-wise MCQs in Environmental Engineering.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Environmental Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

Consider the following statements regarding diatomite filters.i. They are not used for water having high turbidity.ii. They are not suitable for municipal water supplies.iii. They are not used for temporary and shifting camps.Which of the above statement is/are false?

A. i, ii, iii
B. i only
C. ii only
D. iii only
Answer» E.
2.

The diatomite is applied on the septum at the rate of ______

A. 100gm/m2
B. 200gm/m2
C. 300gm/m2
D. 400gm/m2
Answer» D. 400gm/m2
3.

What is the thickness of a layer of a diatomite filter?

A. 1mm
B. 2mm
C. 3mm
D. 4mm
Answer» D. 4mm
4.

Which material is provided for the up flow bed in dual media bi-flow filter?

A. Anthracite
B. Sand
C. Rice husk
D. Graphite
Answer» C. Rice husk
5.

The up flow filter is used in domestic water supply.

A. True
B. False
Answer» C.
6.

WHAT_IS_THE_THICKNESS_OF_A_LAYER_OF_A_DIATOMITE_FILTER??$

A. 1mm
B. 2mm
C. 3mm
D. 4mm
Answer» D. 4mm
7.

The_diatomite_is_applied_on_the_septum_at_the_rate_of_______$

A. 100gm/m<sup>2</sup>
B. 200gm/m<sup>2</sup>
C. 300gm/m<sup>2</sup>
D. 400gm/m<sup>2</sup>
Answer» D. 400gm/m<sup>2</sup>
8.

What is the diameter of drum of a Micro-Strainer?

A. 1m
B. 2m
C. 3m
D. 4m
Answer» D. 4m
9.

Which device is used for screening stored water which do not contain microscopic sized particles?

A. Tube settler
B. Clarifier
C. Flocculator
D. Micro-Strainers
Answer» E.
10.

The rate of filtration of a Micro-Strainer is __________ litres / hour.

A. 10,000-20,000
B. 20,000-30,000
C. 40,000-60,000
D. 50,000-80,000
Answer» E.
11.

Which material is provided for the down-flow bed in dual media bi-flow filter?

A. Coal sand
B. Garnet sand
C. Rice husk
D. Graphite
Answer» B. Garnet sand
12.

In which type of filter, the filtration is done in two opposite directions at the same time?

A. Dual media filter
B. Mixed media filter
C. Bi-flow filter
D. Rapid sand filter
Answer» D. Rapid sand filter
13.

In which type of filter, water flows in upward direction?

A. Slow sand filter
B. Rapid sand filter
C. Pressure filter
D. Up flow filter
Answer» E.