The concavity produced on the beam section about the centre line when downward force acts on it is called as (a) Hogging or positive bending moment (b) Hogging or negative bending moment (c) Sagging or positive bending moment (d) Sagging or negative bending moment

The concavity produced on the beam section about the centre line when downward
force acts on it is called as
(a) Hogging or positive bending moment
(b) Hogging or negative bending moment
(c) Sagging or positive bending moment
(d) Sagging or negative bending moment
by

1 Answer

Answer :

(b) Hogging or negative bending moment
by

Related questions

To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is (A) 0.107 L (B) 0.207 L (C) 0.307 L (D) 0.407 L

Description : To ensure that the hogging bending moment at two points of suspension of a pile of length L equals the sagging moment at its centre, the distances of the points of suspension from either end, is (A) 0.107 L (B) 0.207 L (C) 0.307 L (D) 0.407 L

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For the same span and loads fixed beam in comparison with simply supported beams has a. lesser value of maximum bending moment b. more value of maximum bending moment c.twice the value of maximum bending moment d.same value of maximum bending moment

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For a fixed beam with UDL,maximum bending moment at midpoint is a. wL3/248 b. wL2/248 c. wL2/24 d. wL2/24

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When a beam is subjected to a bending moment the strain in a layer is …………the distance from the neutral axis. (a) Independent of (b) Directly proportional to (c) Inversely proportional to (d) None of these

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Moment of resistance of a beam should be (a) Greater than the bending moment (b) Less than the bending moment (c) Two times the bending moment (d) None

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Maximum bending moment in a cantilever beam having a UDL over entire length will be (a) wL2/2 (b) wL2/4 (c) wL2/8 (d) None

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Maximum bending moment in a S.S. beam having a UDL over entire length will be (a) wL2/2 (b) wL2/4 (c) wL2/8 (d) None

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In case of a cantilever beam having UDL, bending moment variation will be (a) Linear (b) Parabolic (c) Cubic (d) None

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In case of a cantilever beam having concentrated loads, bending moment variation will be (a) Linear (b) Parabolic (c) Cubic (d) None

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In case of a cantilever beam, bending moment at the fixed end will be (a) Maximum (b) Minimum (c) Zero (d) None

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In case of a cantilever beam, bending moment at the free end will be (a) Maximum (b) Minimum (c) Zero (d) None

Description : In case of a cantilever beam, bending moment at the free end will be (a) Maximum (b) Minimum (c) Zero (d) None

Last Answer : c) Zero

At the supports of a simply supported beam, bending moment will be (a) Maximum (b) Minimum (c) Zero (d) None

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In a simply supported beam subjected to uniformly distributed load (w) over the entire length (l), total load=W, maximum Bending moment is (a) Wl/8 or wl2/8 at the mid-point (b) Wl/8 or wl2/8 at the end (c) Wl/4 or wl2/4 (d) Wl/2

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Last Answer : (a) Wl/8 or wl2/8 at the mid-point

A sudden jump anywhere on the Bending moment diagram of a beam is caused by (a) Couple acting at that point (b) Couple acting at some other point (c) Concentrated load at the point (d) Uniformly distributed load or Uniformly varying load on the beam

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In a simply supported beam, bending moment at the end (a) Is always zero if it does not carry couple at the end (b) Is zero, if the beam has uniformly distributed load only (c) Is zero if the beam has concentrated loads only (d) May or may not be zero

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Last Answer : (a) Is always zero if it does not carry couple at the end

The bending moment at the fixed end of a cantilever beam is (a) Maximum (b) Minimum (c) Wl/2 (d) Wl

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Last Answer : (a) Maximum