Using Mohr's theorem, calculate the maximum slope of a cantilever beam if the bending moment area diagram is 90kNmÂ². Take EI = 4000 kNmÂ²

Civil Engineering : Strength of Materials - Quiz(MCQ)

0.066 radians

0.0455 radians

0.0367 radians

0.0225 radians

Correct Answer : 0.0225 radians

Explanation : The maximum slope at free support (in cantilever beam) = i = A/EI
= 90/4000
= 0.0225 radians.

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The structures constructed along are distributaries are called as _______

Inlets

Outlets

Channels

Distributaries

Correct Answer : Option (B) : Outlets

Explanation : An outlet is a simple and small irrigation structure which is constructed along the distributaries. The amount of water that is withdrawn through the outlet is in proportion to the area that is irrigated below respective point.

The upstream slope recommended for sand and gravel with RCC core wall is ______

2.5:1

1:2

3:1

1.5:1

Correct Answer : Option (A) : 2.5:1

Explanation : According to Terazghi, the following upstream slopes should be recommended.

1. Homogeneous well graded – 2.5 : 1
2. Homogeneous coarse silt – 3 : 1
3. Sand and gravel with RCC core wall – 2.5 : 1.

Major distributaries discharge varies from _______

0.25 to 5 cumecs

2 to 4 cumecs

1.5 to 5 cumecs

1.2 to 5 cumecs

Correct Answer : Option (A) : 0.25 to 5 cumecs

Explanation : The major distributary takes off from a branch canal to distribute the water to various parts of the field. The supply of the water varies from 0.25 to 5 cumecs.