Explore topic-wise MCQs in Irrigation Engineering.

This section includes 9 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.

A steep slope of the flow duration curve indicates a stream with _________________

A. highly variable discharge
B. small variability of flow
C. considerable base flow
D. large flood plains
Answer» B. small variability of flow
2.

A flow duration curve is a curve plotted between ________________

A. Accumulated flow v/s time
B. Discharge v/s time
C. (Cumulative Inflow Cumulative Outflow) v/s time
D. Streamflow v/s Percent of time the flow is equaled or exceeded
Answer» E.
3.

A sequent peak algorithm is a plot between __________________

A. Accumulated flow v/s time
B. Discharge v/s time
C. (Cumulative Inflow Cumulative Outflow) v/s time
D. Mass outflow v/s time
Answer» E.
4.

The capacity-inflow ratio for a reservoir _________________

A. is a constant factor overtime
B. increases with time
C. decreases with time
D. may increase or decrease with time
Answer» D. may increase or decrease with time
5.

Capacity inflow ratio for a storage reservoir is defined as the ratio of _______________________

A. reservoir capacity to the average annual flood inflow
B. reservoir capacity to the average annual sediment inflow
C. the dead storage capacity of the reservoir to the average annual sediment deposited
D. total annual sediment inflow to the reservoir capacity
Answer» B. reservoir capacity to the average annual sediment inflow
6.

Trap efficiency of a storage reservoir is defined as the ratio of ___________________

A. total annual sediment inflow to the reservoir capacity
B. total sediment deposited in a given period to the total sediment inflow in that period
C. total annual sediment deposited in the reservoir to the dead storage capacity of the reservoir
D. reservoir capacity to the total annual sediment
Answer» C. total annual sediment deposited in the reservoir to the dead storage capacity of the reservoir
7.

With the reduction in reservoir capacity over the passage of time, the trap efficiency ___________

A. increases
B. decreases
C. remains unaffected
D. may increase or decrease depending upon the reservoir characteristics
Answer» C. remains unaffected
8.

The reservoir capacity cannot exceed the catchment yield.

A. True
B. False
Answer» B. False
9.

The design annual rainfall for the catchment of a proposed reservoir has been computed to be 99 cm. The catchment area contributing to the proposed reservoir is 1000 sq.km having a mean annual temperature of 20 C. Calculate the annual design catchment yield for the reservoir using Khosla s formula.

A. 89.4 M.m<sup>3</sup>
B. 8.94 M.m<sup>3</sup>
C. 894 m<sup>3</sup>
D. 894 M.m<sup>3</sup>
Answer» E.