Question 1

S-hydrograph is used to obtain unit hydrograph of

Accepted Answer

A) shorter duration from longer duration 
B) longer duration from shorter duration 
C) both (a) and (b) 
D) none of the above 
A) shorter duration from longer duration 
B) longer duration from shorter duration 
C) both (a) and (b) 
D) none of the above C

Question 2

The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be

Accepted Answer

A) 50 mm 
B) 60 mm 
C) 90 mm 
D) 140 mm 
A) 50 mm 
B) 60 mm 
C) 90 mm 
D) 140 mm C

Question 3

The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after

Accepted Answer

A) 50 years 
B) 150 years 
C) 200 years 
D) 250 years 
A) 50 years 
B) 150 years 
C) 200 years 
D) 250 years A

Question 4

The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be

Accepted Answer

A) 50 cm 
B) 55 cm 
C) 56 cm 
D) 60 cm 
A) 50 cm 
B) 55 cm 
C) 56 cm 
D) 60 cm

Question 5

The useful storage is the volume of water stored in the reservoir between

Accepted Answer

A) minimum pool level and maximum pool level 
B) minimum pool level and normal pool level 
C) normal pool level and maximum pool level 
D) river bed and minimum pool level 
A) minimum pool level and maximum pool level 
B) minimum pool level and normal pool level 
C) normal pool level and maximum pool level 
D) river bed and minimum pool level

Question 6

The water stored in the reservoir below the minimum pool level is called

Accepted Answer

A) useful storage 
B) dead storage 
C) valley storage 
D) surcharge storage 
A) useful storage 
B) dead storage 
C) valley storage 
D) surcharge storage

Question 7

An artesian aquifer is the one where

Accepted Answer

A) water surface under the ground is at atmospheric pressure 
B) water is under pressure between two impervious strata 
C) water table serves as upper surface of zone of saturation 
D) none of the above 
A) water surface under the ground is at atmospheric pressure 
B) water is under pressure between two impervious strata 
C) water table serves as upper surface of zone of saturation 
D) none of the above

Question 8

A deep well

Accepted Answer

A) is always deeper than a shallow well 
B) has more discharge than a shallow well 
C) is weaker structurally than a shallow well 
D) both (a) and (b) 
A) is always deeper than a shallow well 
B) has more discharge than a shallow well 
C) is weaker structurally than a shallow well 
D) both (a) and (b)

Question 9

Unit of runoff in M.K.S. system is

Accepted Answer

A) cubic metre/sec 
B) metre/sec 
C) cubic metre 
D) square metre 
A) cubic metre/sec 
B) metre/sec 
C) cubic metre 
D) square metre

Question 10

When surface of transpiration is submerged under water, then potential evapotranspiration is

Accepted Answer

A) much more than evapotranspiration 
B) much less than evapotranspiration 
C) equal to evapotranspiration 
D) equal to or less than evapotr 
A) much more than evapotranspiration 
B) much less than evapotranspiration 
C) equal to evapotranspiration 
D) equal to or less than evapotr

Question 11

The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of

Accepted Answer

A) same duration only 
B) same and shorter duration 
C) same and longer duration 
D) any duration 
A) same duration only 
B) same and shorter duration 
C) same and longer duration 
D) any duration

Question 12

If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by

Accepted Answer

A) T = kd 
B) T = k/d 
C) T= Vkd 
D) k= VTd 
A) T = kd 
B) T = k/d 
C) T= Vkd 
D) k= VTd

Question 13

The runoff increases with

Accepted Answer

A) increase in intensity of rain 
B) increase in infiltration capacity 
C) increase in permeability of soil 
D) all of the above 
A) increase in intensity of rain 
B) increase in infiltration capacity 
C) increase in permeability of soil 
D) all of the above

Question 14

For a flood control reservoir, the effective storage is equal to

Accepted Answer

A) useful storage - valley storage 
B) useful storage + surcharge storage 
C) useful storage + surcharge storage + valley storage 
D) useful storage + surcharge storage -valley storage 
A) useful storage - valley storage 
B) useful storage + surcharge storage 
C) useful storage + surcharge storage + valley storage 
D) useful storage + surcharge storage -valley storage

Question 15

The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are
i. Water pressure
ii. Self weight
iii. Uplift
iv. Pressure due to earthquake
The correct answer is

Accepted Answer

A) Only (ii) 
B) (i), (ii) and (iii) 
C) (i), (ii) and (iv) 
D) (i), (ii), (iii) and (iv) 
A) Only (ii) 
B) (i), (ii) and (iii) 
C) (i), (ii) and (iv) 
D) (i), (ii), (iii) and (iv)

Question 16

The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by

Accepted Answer

A) direct runoff volume 
B) period of storm 
C) total rainfall 
D) none of the above 
A) direct runoff volume 
B) period of storm 
C) total rainfall 
D) none of the above

Question 17

A multipurpose reservoir is the one which is

Accepted Answer

A) designed for one purpose but serves more than one purpose 
B) planned and constructed to serve various purposes 
C) both (a) and (b) 
D) none of the above 
A) designed for one purpose but serves more than one purpose 
B) planned and constructed to serve various purposes 
C) both (a) and (b) 
D) none of the above

Question 18

The best unit duration of storm for a unit hydrograph is

Accepted Answer

A) 1 hour 
B) one-fourth of basin lag 
C) one-half of basin lag 
D) equal to basin lag 
A) 1 hour 
B) one-fourth of basin lag 
C) one-half of basin lag 
D) equal to basin lag

Question 19

Trap efficiency of a reservoir is a function of

Accepted Answer

A) capacity/inflow ratio 
B) capacity/outflow ratio 
C) outflow/inflow ratio 
D) none of the above 
A) capacity/inflow ratio 
B) capacity/outflow ratio 
C) outflow/inflow ratio 
D) none of the above

Question 20

A current meter is used to measure the

Accepted Answer

A) velocity of flow of water 
B) depth of flow of water 
C) discharge 
D) none of the above 
A) velocity of flow of water 
B) depth of flow of water 
C) discharge 
D) none of the above

S-hydrograph is used to obtain unit hydrograph of

The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be

The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after

The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be

The useful storage is the volume of water stored in the reservoir between

The water stored in the reservoir below the minimum pool level is called

An artesian aquifer is the one where

A deep well

Unit of runoff in M.K.S. system is

When surface of transpiration is submerged under water, then potential evapotranspiration is

The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of

If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by

The runoff increases with

For a flood control reservoir, the effective storage is equal to

The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are i. Water pressure ii. Self weight iii. Uplift iv. Pressure due to earthquake The correct answer is

The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by

A multipurpose reservoir is the one which is

The best unit duration of storm for a unit hydrograph is

Trap efficiency of a reservoir is a function of

A current meter is used to measure the

Irrigation and Water Management: Part A

Irrigation and Water Management: Part B

Irrigation and Water Management: Part C

Dam Design and Spillways

Hydraulic Structures and Channels

River Meandering, Training and Hydroelectricity

Floods, Catchment, and Irrigation

Irrigation and Hydraulic Engineering

Water Engineering and Irrigation Systems

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Water Circulation and Irrigation

Canal Design, Hydrology, and Irrigation Methods

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Exam 4: Hydrology and Water Resources Engineering

S-hydrograph is used to obtain unit hydrograph of

The rainfall on five successive days were measured as 100 mm, 80 mm, 60 mm, 40 mm and 20 mm respectively. If the infiltration index or the storm loss rate for the catchment area is earlier estimated as 50 mm/day, the total surface run off will be

The total capacity of a reservoir is 25 million cubic metres and dead storage is 5 million cubic metres. If the average volume of sediment deposition is 0.10 million cubic metre per year, then the usefulness of the reservoir will start reducing after

The area between the isohyets 45 cm and 55 cm is 100 square km and between 55 cm and 65cm is 150 square km. The average depth of annua! precipitation over the above basin of 250 square km will be

The useful storage is the volume of water stored in the reservoir between

The water stored in the reservoir below the minimum pool level is called

An artesian aquifer is the one where

A deep well

Unit of runoff in M.K.S. system is

When surface of transpiration is submerged under water, then potential evapotranspiration is

The unit hydrograph of a specified duration can be used to evaluate the hydrograph of storms of

If d is the depth of the aquifer through which water is flowing, then the relationship between permeability k and transmissible T is given by

The runoff increases with

For a flood control reservoir, the effective storage is equal to

The forces, which are considered for the analysis of an elementary profile of a gravity dam under empty reservoir condition, are i. Water pressure ii. Self weight iii. Uplift iv. Pressure due to earthquake The correct answer is

The unit hydrograph due to a storm may be obtained by dividing the ordinates of the direct runoff hydrograph by

A multipurpose reservoir is the one which is

The best unit duration of storm for a unit hydrograph is

Trap efficiency of a reservoir is a function of

A current meter is used to measure the

Irrigation and Water Management: Part A

Irrigation and Water Management: Part B

Irrigation and Water Management: Part C

Dam Design and Spillways

Hydraulic Structures and Channels

River Meandering, Training and Hydroelectricity

Floods, Catchment, and Irrigation

Irrigation and Hydraulic Engineering

Water Engineering and Irrigation Systems

Canals and Irrigation

Water Circulation and Irrigation

Canal Design, Hydrology, and Irrigation Methods

Civil Engineering Water Management

Irrigation, Soil Fertility, and Water Management

Water Management and Irrigation Systems

Filters