Water Resources Engineering-II

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Code No: A107320104 Set No. 1 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III B.Tech. II Sem., I Mid-Term Examinations, March – 2010 WATER RESOURCES ENGINEERING-II Objective Exam Name: ______________________________ Hall Ticket No. A I 1. Choose the correct alternative: Dead storage in a reservoir is provided a) to meet the emergency needs c) to accommodate the silt trapped in the reservoir Which of the following is a non-rigid dam? a) gravity dam b) earth dam c) arch dam [ b) to mitigate the floods d) to increase the useful life period [ d) buttress dam

Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 20.

]

2.

]

3.

Arch dams are generally preferred in a) wide rivers with good foundation at shallow depth b) wide rivers with weak foundation c) narrow gorges with strong abutments d) reservoirs where provision is made for future increase in capacity The famous arch dam in India is at a) Bhakra b) Khadakvasla

4.

5.

The type of dam which can be raised easily, if required, is a) gravity dam b) earth dam c) arch dam The divide wall in a diversion headwork is provided a) to increase the head of flow through the head regulator b) to prevent the formation of vortices in front of head regulator c) to control the silt entry into channel d) to reduce the uplift pressure on the apron

6.

7.

Which of the following is not a component of the diversion headwork? a) fish ladder b) divide wall c) head regulator d) spillway Falls in the canals are provided when a) natural ground slope is same as the design slope b) natural ground slope is more than the design slope c) natural ground slope is less than the design slope

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c) Nagarjuna Sagar

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[

]

[ d) Idikki [

]

]

d) rock dam [ ]

[

]

8.

[

]

d) the canal runs in deep cutting [ ]

9.

Syphon aqueduct is selected as the cross drainage work when the canal bed level a) is below the maximum flood level in the drain b) is above the maximum flood level in the drain c) is below the bed level of the drain d) is at the ground level In montague type canal fall, the glacis is a) straight b) parabolic

10.

[ c) cycloidal d) cubical Cont….2

]

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Code No: II 11.

A107320104

:2:

Set No. 1

Fill in the blanks: The foundation of a weir consists of a horizontal floor of length 30m, an u/s pile of depth 8 m and a d/s pile of depth 12 m. The creep length according to Bligh’s theory is ____________ According to Khosla’s theory, the exit gradient in the case of a floor with negligible floor thickness and without d/s pile is ______________ The effect of d/s pile on the u/s pile, due to mutual interference, is ____________ In non-modular outlet, the discharge is affected by ___________ Gibb’s module is a type of _____________ The purpose of the cross – regulator is _____________

12.

13. 14. 15. 16. 17. 18. 19.

When the canal runs below the drain, the cross drainage work provided is called __________ In the case of an aqueduct, if the canal section is flumed then it is called ____________ The ratio of rate of change of discharge in the outlet to the rate of change of discharge in the distributory is known as ______________ The design of a major hydraulic structure founded on a permeable foundation is generally based on _________________

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Code No: A107320104 Set No. 2 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III B.Tech. II Sem., I Mid-Term Examinations, March – 2010 WATER RESOURCES ENGINEERING-II Objective Exam Name: ______________________________ Hall Ticket No. A I 1. Choose the correct alternative: The famous arch dam in India is at a) Bhakra b) Khadakvasla [ d) Idikki [ d) rock dam

Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 20.

]

c) Nagarjuna Sagar

2.

The type of dam which can be raised easily, if required, is a) gravity dam b) earth dam c) arch dam

]

3.

The divide wall in a diversion headwork is provided [ a) to increase the head of flow through the head regulator b) to prevent the formation of vortices in front of head regulator c) to control the silt entry into channel d) to reduce the uplift pressure on the apron Which of the following is not a component of the diversion headwork? a) fish ladder b) divide wall c) head regulator d) spillway Falls in the canals are provided when a) natural ground slope is same as the design slope b) natural ground slope is more than the design slope c) natural ground slope is less than the design slope

4.

5.

6.

Syphon aqueduct is selected as the cross drainage work when the canal bed level a) is below the maximum flood level in the drain b) is above the maximum flood level in the drain c) is below the bed level of the drain d) is at the ground level In montague type canal fall, the glacis is a) straight b) parabolic

7.

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]

[

]

[

]

d) the canal runs in deep cutting [ ]

[ c) cycloidal d) cubical [ b) to mitigate the floods d) to increase the useful life period [ d) buttress dam

]

8.

Dead storage in a reservoir is provided a) to meet the emergency needs c) to accommodate the silt trapped in the reservoir Which of the following is a non-rigid dam? a) gravity dam b) earth dam c) arch dam

]

9.

]

10.

Arch dams are generally preferred in [ a) wide rivers with good foundation at shallow depth b) wide rivers with weak foundation c) narrow gorges with strong abutments d) reservoirs where provision is made for future increase in capacity Cont….2 www.jntuworld.com

]

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Code No: II

A107320104

:2:

Set No. 2

Fill in the Blanks

11. 12. 13. 14. 15. 16.

In non-modular outlet, the discharge is affected by ___________ Gibb’s module is a type of _____________ The purpose of the cross – regulator is _____________ When the canal runs below the drain, the cross drainage work provided is called __________ In the case of an aqueduct, if the canal section is flumed then it is called ____________ The ratio of rate of change of discharge in the outlet to the rate of change of discharge in the distributory is known as ______________ The design of a major hydraulic structure founded on a permeable foundation is generally based on _________________ The foundation of a weir consists of a horizontal floor of length 30m, an u/s pile of depth 8 m and a d/s pile of depth 12 m. The creep length according to Bligh’s theory is ____________ According to Khosla’s theory, the exit gradient in the case of a floor with negligible floor thickness and without d/s pile is ______________ The effect of d/s pile on the u/s pile, due to mutual interference, is ____________

17.

18.

19.

20.

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Code No: A107320104 Set No. 3 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III B.Tech. II Sem., I Mid-Term Examinations, March – 2010 WATER RESOURCES ENGINEERING-II Objective Exam Name: ______________________________ Hall Ticket No. A I 1. Choose the correct alternative: The divide wall in a diversion headwork is provided a) to increase the head of flow through the head regulator b) to prevent the formation of vortices in front of head regulator c) to control the silt entry into channel d) to reduce the uplift pressure on the apron Which of the following is not a component of the diversion headwork? a) fish ladder b) divide wall c) head regulator d) spillway Falls in the canals are provided when a) natural ground slope is same as the design slope b) natural ground slope is more than the design slope c) natural ground slope is less than the design slope d) the canal runs in deep cutting [

Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 20.

]

2.

3.

4.

Syphon aqueduct is selected as the cross drainage work when the canal bed level a) is below the maximum flood level in the drain b) is above the maximum flood level in the drain c) is below the bed level of the drain d) is at the ground level In montague type canal fall, the glacis is a) straight b) parabolic

5.

6.

Dead storage in a reservoir is provided a) to meet the emergency needs c) to accommodate the silt trapped in the reservoir Which of the following is a non-rigid dam? a) gravity dam b) earth dam c) arch dam

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[

]

[

]

[

]

[ d) cubical [ b) to mitigate the floods d) to increase the useful life period [ d) buttress dam [

]

c) cycloidal

]

7.

]

8.

Arch dams are generally preferred in a) wide rivers with good foundation at shallow depth b) wide rivers with weak foundation c) narrow gorges with strong abutments d) reservoirs where provision is made for future increase in capacity The famous arch dam in India is at a) Bhakra b) Khadakvasla

]

9.

c) Nagarjuna Sagar

[ d) Idikki [

]

10.

The type of dam which can be raised easily, if required, is a) gravity dam b) earth dam c) arch dam

]

d) rock dam Cont….2

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Code No:

A107320104

:2:

Set No. 3

II

Fill in the Blanks

11. 12. 13. 14.

The purpose of the cross – regulator is _____________ When the canal runs below the drain, the cross drainage work provided is called __________ In the case of an aqueduct, if the canal section is flumed then it is called ____________ The ratio of rate of change of discharge in the outlet to the rate of change of discharge in the distributory is known as ______________ The design of a major hydraulic structure founded on a permeable foundation is generally based on _________________ The foundation of a weir consists of a horizontal floor of length 30m, an u/s pile of depth 8 m and a d/s pile of depth 12 m. The creep length according to Bligh’s theory is ____________ According to Khosla’s theory, the exit gradient in the case of a floor with negligible floor thickness and without d/s pile is ______________ The effect of d/s pile on the u/s pile, due to mutual interference, is ____________ In non-modular outlet, the discharge is affected by ___________ Gibb’s module is a type of _____________

15.

16.

17.

18. 19. 20.

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Code No: A107320104 Set No. 4 JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD III B.Tech. II Sem., I Mid-Term Examinations, March – 2010 WATER RESOURCES ENGINEERING-II Objective Exam Name: ______________________________ Hall Ticket No. A I 1. Choose the correct alternative: Falls in the canals are provided when a) natural ground slope is same as the design slope b) natural ground slope is more than the design slope c) natural ground slope is less than the design slope [

Answer All Questions. All Questions Carry Equal Marks.Time: 20 Min. Marks: 20.

]

d) the canal runs in deep cutting

2.

Syphon aqueduct is selected as the cross drainage work when the canal bed level a) is below the maximum flood level in the drain b) is above the maximum flood level in the drain c) is below the bed level of the drain d) is at the ground level In montague type canal fall, the glacis is a) straight b) parabolic

3.

c) cycloidal

4.

Dead storage in a reservoir is provided a) to meet the emergency needs c) to accommodate the silt trapped in the reservoir

5.

Which of the following is a non-rigid dam? a) gravity dam b) earth dam c) arch dam

6.

Arch dams are generally preferred in a) wide rivers with good foundation at shallow depth b) wide rivers with weak foundation c) narrow gorges with strong abutments d) reservoirs where provision is made for future increase in capacity The famous arch dam in India is at a) Bhakra b) Khadakvasla

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R O

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[

]

[

]

d) cubical ]

[ b) to mitigate the floods d) to increase the useful life period [ d) buttress dam [

]

]

7.

c) Nagarjuna Sagar

[ d) Idikki [ d) rock dam

]

8.

The type of dam which can be raised easily, if required, is a) gravity dam b) earth dam c) arch dam

]

9.

The divide wall in a diversion headwork is provided [ a) to increase the head of flow through the head regulator b) to prevent the formation of vortices in front of head regulator c) to control the silt entry into channel d) to reduce the uplift pressure on the apron Which of the following is not a component of the diversion headwork? a) fish ladder b) divide wall c) head regulator d) spillway [ Cont….2 www.jntuworld.com

]

10.

]

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Code No: II 11. 12.

A107320104

:2:

Set No. 4

Fill in the blanks In the case of an aqueduct, if the canal section is flumed then it is called ____________ The ratio of rate of change of discharge in the outlet to the rate of change of discharge in the distributory is known as ______________ The design of a major hydraulic structure founded on a permeable foundation is generally based on _________________ The foundation of a weir consists of a horizontal floor of length 30m, an u/s pile of depth 8 m and a d/s pile of depth 12 m. The creep length according to Bligh’s theory is ____________ According to Khosla’s theory, the exit gradient in the case of a floor with negligible floor thickness and without d/s pile is ______________ The effect of d/s pile on the u/s pile, due to mutual interference, is ____________ In non-modular outlet, the discharge is affected by ___________ Gibb’s module is a type of _____________

13.

14.

15.

16. 17. 18. 19. 20.

The purpose of the cross – regulator is _____________ When the canal runs below the drain, the cross drainage work provided is called __________

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