Q. What are the units of Polar modulus?

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Q. What is the polar modulus for solid shaft?

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Q. Calculate the polar moment of inertia for a solid circular shaft of 30 mm diameter.

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

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

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

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Q. _______ provides straight approach to the scouring sluices.

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

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Q. __________ is used as measuring device.

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

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

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

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Q. Curtain walls are provided to increase ________

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

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Q. A circular shaft of diameter 30 mm is tested under torsion the gauge length of test specimen is 300 mm. A torque of 2kNm produces an angle twist of 1°. Calculate CJ.

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Q. __________ has perfect control on river flow.

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Q. When the gross length is more than 6 metres between the face of abutment it is called as ________

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Q. The minimum straight approach provided on either side of bridge is ___________

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Q. ________ should be taken below the deepest scour level.

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Q. ___________ formula is used for calculating the depth of the foundation.

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