Explore topic-wise MCQs in Environmental Engineering.

This section includes 18 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.

How the problem of sand incrustation can be minimized?

A. Carbonating the water
B. Proportioning of layers of sand and gravel
C. Surface washing
D. Control of algae growth in the water
Answer» B. Proportioning of layers of sand and gravel
Discussion
2.

_______ type of trouble in filter is caused by the released of dissolved air and gases from water.

A. Air binding
B. Clogging
C. Mud balls
D. Jetting
Answer» B. Clogging
Discussion
3.

The tendency of jetting can be minimized by __________

A. Carbonating the water
B. Proportioning of layers of sand and gravel
C. Surface washing
D. Control of algae growth in the water
Answer» D. Control of algae growth in the water
Discussion
4.

The cracking of bed is more prominent __________

A. Near the wall junction
B. Outside the wall junction
C. Inside the wall junction
D. On the wall junction
Answer» B. Outside the wall junction
Discussion
5.

Which type of problem is caused in filter due to the accumulation of solids on the top surface of filter media?

A. Clogging
B. Air binding
C. Sand incrustation
D. Sand leakage
Answer» B. Air binding
Discussion
6.

The thickness of the suspended matter on top of the sand bed is __________

A. Directly proportional to head loss
B. Inversely proportional to head loss
C. Independent of the head loss
D. Directly proportional to the square of head loss
Answer» B. Inversely proportional to head loss
Discussion
7.

The loss of head during cleaning operation of a rapid sand filter is __________

A. 15-30cm
B. 1-5cm
C. 10-20cm
D. 10-25cm
Answer» B. 1-5cm
Discussion
8.

THE_TENDENCY_OF_JETTING_CAN_BE_MINIMIZED_BY?$

A. Carbonating the water
B. Proportioning of layers of sand and gravel
C. Surface washing
D. Control of algae growth in the water
Answer» D. Control of algae growth in the water
Discussion
9.

How the problem of sand incrustation can be minimized?$

A. Carbonating the water
B. Proportioning of layers of sand and gravel
C. Surface washing
D. Control of algae growth in the water
Answer» B. Proportioning of layers of sand and gravel
Discussion
10.

________type_of_trouble_in_filter_is_caused_by_the_released_of_dissolved_air_and_gases_from_water.$

A. Air binding
B. Clogging
C. Mud balls
D. Jetting
Answer» B. Clogging
Discussion
11.

In which type of filtration problem, layers of gravel are displaced?

A. Clogging
B. Air binding
C. Sand incrustation
D. Sand leakage
Answer» E.
Discussion
12.

The cracking of bed is more prominent

A. Near the wall junction
B. Outside the wall junction
C. Inside the wall junction
D. On the wall junction
Answer» B. Outside the wall junction
Discussion
13.

______ are formed in filters due to insufficient washing of sand grains.

A. Sand boils
B. Mud balls
C. Clogging
D. Bubbles
Answer» C. Clogging
Discussion
14.

Which type of problem is caused in filter due to accumulation of solids on the top surface of filter media?

A. Clogging
B. Air binding
C. Sand incrustation
D. Sand leakage
Answer» B. Air binding
Discussion
15.

What is the permissible negative head loss of a rapid sand filter?

A. 0.2-1m
B. 0.1-0.5m
C. 0.5-2m
D. 0.8-1.2m
Answer» E.
Discussion
16.

When the loss of the head exceeds the static head, the head becomes _____

A. Positive
B. Negative
C. Constant
D. Zero
Answer» C. Constant
Discussion
17.

The thickness of the suspended matter on top of the sand bed is

A. Directly proportional to head loss
B. Inversely proportional to head loss
C. Independent of the head loss
D. Directly proportional to the square of head loss
Answer» B. Inversely proportional to head loss
Discussion
18.

The loss of head during cleaning operation of a rapid sand filter is

A. 15-30cm
B. 1-5cm
C. 10-20cm
D. 10-25cm
Answer» B. 1-5cm
Discussion