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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

____________ 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 2

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 3

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 4

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 5

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 6

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 7

_________ 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 8

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 9

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 10

__________ 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 11

_______ provides straight approach to the scouring sluices.

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

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Question 12

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 13

Curtain walls are provided to increase ________

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

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Question 14

__________ 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 15

__________ is used as measuring device.

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

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Question 16

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 17

What are the units of Polar modulus?

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

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