MCQs

MCQs in Irrigation civil Engineering

1. Which of the following is a primary purpose of irrigation?

a) Preventing soil erosion

b) Supplying water to crops

c) Reclaiming wetlands

d) Increasing salinity of soil

Answer: b) Supplying water to crops

 

2. The unit of discharge in hydraulic engineering is usually:

a) Litters

b) Cubic meters per second

c) Kilograms per second

d) Cubic Centimeters per minute

Answer: b) Cubic meters per second

 

3. What is the term used for the slope or incline of a canal bed?

a) Freeboard

b) Gradient

c) Slope angle

d) Crest level

Answer: b) Gradient

 

4. Which type of cement is most commonly used in dam construction?

a) Rapid hardening cement

b) Low heat cement

c) Sulphate resisting cement

d) Ordinary Portland cement

Answer: b) Low heat cement

 

5. The instrument used to measure vertical angles in surveying is:

a) Theodolite

b) Dumpy level

c) Planimeter

d) Alidade

Answer: a) Theodolite

 

6. Which law governs the flow of water through porous media?

a) Newton's law

b) Hooke's law

c) Darcy's law

d) Bernoulli’s equation

Answer: c) Darcy's law

 

7. The best shape for a canal section in an earthen canal to minimize water loss is:

a) Circular

b) Triangular

c) Trapezoidal

d) Rectangular

Answer: c) Trapezoidal

 

8. What is the term used for the height of water in a canal above the bottom level?

a) Bed level

b) Freeboard

c) Water depth

d) Flow depth

Answer: c) Water depth

 

9. The standard size of a brick in Pakistan is:

a) 200 mm × 100 mm × 100 mm

b) 230 mm × 110 mm × 75 mm

c) 250 mm × 125 mm × 75 mm

d) 215 mm × 102.5 mm × 65 mm

Answer: b) 230 mm × 110 mm × 75 mm

 

10. In surveying, the process of finding the difference in elevation between two points is called:

a) Levelling

b) Triangulation

c) Contouring

d) Traversing

Answer: a) Levelling