Water Resources Engineering and Hydrology (3160610) MCQs

MCQs of Introduction

Showing 21 to 30 out of 44 Questions
1 2 3 4 5
21.

The rate of rainfall for successive 30 minutes period of a 4hour storm are as follows:
3.5, 6.5, 8.5, 7.5, 6.4, 4.0, 4.0, 6.0 cm/hr. If the value of φindex is 4.5 cm/hr, then the value of Windex (cm/hr) is

(a)

5.5
(b)

4.13
(c)

4.25
(d)

3.9
Answer:

Option (c)

22.

The mass curve of rainfall of a storm is a plot of

(a)

accumulated precipitation volume versus time in decreasing order.
(b)

rainfall intensity versus time in chronological order.
(c)

accumulated rainfall intensity versus time.
(d)

accumulated precipitation volume versus time in chronological order.
Answer:

Option (d)

23.

A precipitation in the form of water droplets of size less than 0.5 mm and intensity less than 1 mm/hr is known as

(a)

Rain
(b)

Sleet
(c)

Hail
(d)

Drizzle
Answer:

Option (d)

24.

Interception losses

(a)

includes evaporation and transpiration losses
(b)

consists of only evaporation loss
(c)

consists of only stemflow
(d)

include evaporation and stemflow
Answer:

Option (b)

25.

A stream that carries discharge in rainy season and remains dry during hot weather is known as

(a)

Ephemeral stream
(b)

Intermittent stream
(c)

Influent stream
(d)

Effluent stream
Answer:

Option (b)

26.

Depth-Area-Duration curves of precipitation at a station would normally be

(a)

concave upwards, with duration increasing outward.
(b)

concave downwards, with duration increasing outward.
(c)

concave upwards, with duration decreasing outward.
(d)

concave downwards, with duration decreasing outward.
Answer:

Option (b)

27.

The vertical component of which of the following forces is responsible for upward movement of sediments?

(a)

buoyant force
(b)

tractive force
(c)

kinematic force
(d)

eddy force
Answer:

Option (d)

28.

In the moving boat method of stream flow measurements, the following measurements are required
I. velocity and direction of current meter
II. speed of the boat
III. depth and time interval between depth readings

(a)

I and II
(b)

I and III
(c)

II and III
(d)

I, II and IV
Answer:

Option (b)

29.

The intensity of rainfall at the time interval of 30 minutes are 0.8, 1.5, 2.6, 1.4, 2.8, 1.1, 0.4 and 0.2 cm/min. What is the maximum intensity (in mm/sec) for one hour duration of the storm?

(a)

0.30
(b)

0.35
(c)

2.10
(d)

2.05
Answer:

Option (b)

30.

Match ListI with ListII  and select the correct answer using the codes given below the lists:
List I                                                       List II
A. Rainfall simulator                        1. Increased peak in flood hydrograph
B. Interception loss                          2. Study of infiltration loss
C. Urbanisation                                3. Not significant in maximum flood computation
D. Watershed treatment floods      4. Reduction of peak in small and medium catchment area
Codes:
     A B C D
(a) 2 3 1 4
(b) 2 1 3 4
(c) 4 1 3 2
(d) 2 3 4 1

(a)

a
(b)

b
(c)

c
(d)

d
Answer:

Option (a)

Showing 21 to 30 out of 44 Questions
1 2 3 4 5