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Inertia Polar Moment MCQ Questions & Answers

Inertia Polar Moment MCQs : This section focuses on the "Inertia Polar Moment". These Multiple Choice Questions (MCQs) should be practiced to improve the Inertia Polar Moment skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.




Question 1

_______ provides straight approach to the scouring sluices.

A. Head regulator
B. Silt Excluder
C. Divide wall
D. Guide banks

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Question 2

_________ is provided to reduce the kinetic energy of falling water in weir.

A. Body wall
B. Curtain walls
C. Downstream apron
D. Shutter

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Question 3

__________ is provided for the easy movement of fish from upstream to downstream.

A. Fish ladder
B. Silt excluder
C. Marginal bunds
D. Marginal embankments

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Question 4

__________ is provided to prevent the river from outflanking the work.

A. Guide banks
B. Marginal bunds
C. Silt excluder
D. Divide wall

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Question 5

__________ is used as measuring device.

A. Head regulator
B. Divide wall
C. Cross regulator
D. Scouring sluices

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Question 6

____________ are provided to protect the land and property with is likely to be submerged.

A. Weir
B. Divide wall
C. Marginal bunds
D. Fish ladder

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Question 7

A hollow shaft outside diameter 120 mm and thickness 20 mm. Find polar moment of inertia.

A. 16.36 × 106 mm4
B. 18.45 × 106 mm4
C. 21.3 × 106 mm4
D. 22.5 × 106 mm4

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Question 8

Curtain walls are provided to increase ________

A. Creep depth
B. Creep area
C. Creep length
D. Creep volume

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Question 9

Determine the maximum flood discharge from a catchment area of 40.25 km2 and it is situated in the Western Ghats.

A. 350 cumecs
B. 375 cumecs
C. 400 cumecs
D. 425 cumecs

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Question 10

The moment of inertia of a plane area with respect to an axis ____________ to the plane is called a polar moment of inertia.

A. Parallel
B. Perpendicular
C. Equal
D. Opposite

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Question 11

What are the units of Polar modulus?

A. mm3
B. mm2
C. mm
D. mm4

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Question 12

What is the polar modulus for solid shaft?

A. ?/16 D2
B. ?/12 D3
C. ?/ 16 D3
D. ?/16 D

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Question 13

Which of the following are also known as upstream and downstream piles?

A. Talus on upstream and downstream
B. Curtain walls on upstream and downstream
C. Solid apron on upstream and downstream
D. Shutters on crest of weir

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Question 14

Which of the following is known as under sluices ?

A. Scouring Sluices
B. Divide wall
C. Fish ladder
D. Head Regulator

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Question 15

A hollow shaft outside diameter 120 mm and thickness 20 mm. Find polar moment of inertia.

A. 16.36 × 106 mm4
B. 18.45 × 106 mm4
C. 21.3 × 106 mm4
D. 22.5 × 106 mm4

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Question 16

What is the polar modulus for solid shaft?

A. π/16 D2
B. π/12 D3
C. π/ 16 D3
D. π/16 D

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Question 17

Which of the following is known as “under sluices”?

A. Scouring Sluices
B. Divide wall
C. Fish ladder
D. Head Regulator

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