Explore topic-wise MCQs in Irrigation Engineering.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

How many cubic metres of water will be removed for this particular period of a system designed to use a D.C of 1.5 cm draining 20 hectares for a capacity of 5 days?

A. 10000 m3
B. 25000 m3
C. 15000 m3
D. 20000 m3
Answer» D. 20000 m3
2.

Which type of alternate layouts system for tile drainage has two mains?

A. Grid Iron System
B. Natural System
C. Double main System
D. Herring Bone System
Answer» D. Herring Bone System
3.

What is the size of the tile at an outlet of a 12 hectare drainage system, if the D.C is 2 cm and the tile grade is 0.5%. Assume the rugosity coefficient as 0.015 for the tile drain material.

A. 10 cm
B. 20 cm
C. 15 cm
D. 25 cm
Answer» C. 15 cm
4.

What structure is surrounded around the tile drains when used in less pervious strata?

A. Envelope Filters
B. French Drains
C. Beehive Grate
D. Surface Inlet
Answer» B. French Drains
5.

Under what strata the tile drainage should not be placed?

A. In Shallow Depths
B. More Pervious Strata
C. Less Pervious Strata
D. Pervious Strata
Answer» D. Pervious Strata
6.

In what chemical ways does tile drainage help in plant growth?

A. Decreases Alkalinity of Soils
B. Increases salinity of Soils
C. Increases Nitrogen
D. Reduces and Removes Toxic Substances
Answer» E.
7.

Which type of soils is benefited by using tile drainage?

A. Dry Soils
B. Black Soils
C. Wet Soils
D. Red Soils
Answer» D. Red Soils
8.

Tile drainage helps to reduce soil erosion.

A. True
B. False
Answer» B. False
9.

How can tile drainage help to increase crop yields?

A. Increases Free Gravity Water
B. Increases Volume of Soil
C. Decrease Air Circulation
D. Increases Water Table Level
Answer» C. Decrease Air Circulation
10.

For maximum productivity of crops both surface and sub-surface drains are sometimes needed.

A. True
B. False
Answer» B. False