If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in two directions, then the sum of the maximum positive bending moment and average of the negative bending moment for the design of the span of a square flat slab, should not be less than (A) WL/12 (L - 2D/3)² (B) WL/10 (L + 2D/3)² (C) WL/10 (L - 2D/3)² (D) WL/12 (L - D/3)²

If W is total load per unit area on a panel, D is the diameter of the column head, L is the span in
two directions, then the sum of the maximum positive bending moment and average of the
negative bending moment for the design of the span of a square flat slab, should not be less than
(A) WL/12 (L - 2D/3)²
(B) WL/10 (L + 2D/3)²
(C) WL/10 (L - 2D/3)²
(D) WL/12 (L - D/3)²
by

1 Answer

Answer :

Answer: Option C
by

Related questions

A simply supported beam of span L carries a concentrated load W at its mid-span. The maximum bending moment M is (A) WL/2 (B) WL/4 (C) WL/8 (D) WL/12

Description : A simply supported beam of span L carries a concentrated load W at its mid-span. The maximum  bending moment M is  (A) WL/2  (B) WL/4  (C) WL/8  (D) WL/12

Last Answer : (B) WL/4

If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment (A) WL/2 (B) WL/4 (C) WL/6 (D) WL/8

Description : If the length of a wall on either side of a lintel opening is at least half of its effective span L, the load W carried by the lintel is equivalent to the weight of brickwork contained in an equilateral triangle, producing a maximum bending moment (A) WL/2 (B) WL/4 (C) WL/6 (D) WL/8

Last Answer : Answer: Option C

A simply supported uniform rectangular bar breadth b, depth d and length L carries an isolated load W at its mid-span. The same bar experiences an extension e under same tensile load. The ratio of the maximum deflection to the elongation, is (A) L/d (B) L/2d (C) (L/2d)² (D) (L/3d)²

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Last Answer : (C) (L/2d)

A simply supported beam of span carries a uniformly distributed load . The maximum bending moment is (A) WL/2 (B) WL/4 (C) WL/8 (D) WL/12

Description : A simply supported beam of span carries a uniformly distributed load . The maximum bending moment is (A) WL/2 (B) WL/4 (C) WL/8 (D) WL/12

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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

Description : 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

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

For a simply supported beam carrying uniformly distributed load W on it entire length L, the maximum bending moment is (A) WL/4 (B) WL/8 (C) WL/2 (D) WL/3

Description : For a simply supported beam carrying uniformly distributed load W on it entire length L, the maximum bending moment is (A) WL/4 (B) WL/8 (C) WL/2 (D) WL/3

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If At is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab per square metre, the spacing of the tie bars for a longitudinal joint, is (A) (100 At × t)/WL (B) 100 At/tWL (C) (100 WAt × t)/tL (D) 100 WL/At t

Description : If At is the area of steel cross-section, t is working stress, L is width of road and W is weight of slab per square metre, the spacing of the tie bars for a longitudinal joint, is (A) (100 At × t)/WL (B) 100 At/tWL (C) (100 WAt × t)/tL (D) 100 WL/At t

Last Answer : Answer: Option D

If is the net upward pressure on a square footing of side for a square column of side , the maximum bending moment is given by (A) B.M = pb (c - a)/4 (B) B.M = pb (b - a)²/4 (C) B.M = pb (b - a)²/8 (D) B.M = pb (b + a)/8

Description : If is the net upward pressure on a square footing of side for a square column of side , the maximum bending moment is given by (A) B.M = pb (c - a)/4 (B) B.M = pb (b - a)²/4 (C) B.M = pb (b - a)²/8 (D) B.M = pb (b + a)/8

Last Answer : Answer: Option C

For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is (A) wl²/4 (B) wl²/8 (C) wl²/12 (D) wl²/16

Description : For stairs spanning l metres longitudinally between supports at the bottom and top of a flight carrying a load w per unit horizontal area, the maximum bending moment per metre width, is (A) wl²/4 (B) wl²/8 (C) wl²/12 (D) wl²/16

Last Answer : Answer: Option D

A simply supported beam carries two equal concentrated loads W at distances L/3 from either support. The maximum bending moment (A) WL/3 (B) WL/4 (C) 5WL/4 (D) 3WL/12

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Last Answer : (A) WL/3

The diameter of the column head support a flat slab, is generally kept (A) 0.25 times the span length (B) 0.25 times the diameter of the column (C) 4.0 cm larger than the diameter of the column (D) 5.0 cm larger than the diameter of the column

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Last Answer : Option A

If l1 and l2 are the lengths of long and short spans of a two way slab simply supported on four edges and carrying a load w per unit area, the ratio of the loads split into w1 and w2acting on strips parallel to l2 and l1 is (A) w1/w2 = l2/l1 (B) w1/w2 = (l2/l1)² (C) w1/w2 = (l2/l1)3 (D) w1/w2 = (l2/l1)

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Last Answer : Answer: Option D

In a cantilever subjected to a concentrated load (W) at the free end and having length =l, Maximum bending moment is (a) Wl at the free end (b) Wl at the fixed end (c) Wl/2 at the fixed end (d) Wl at the free end

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Last Answer : (b) Wl at the fixed end

The shear force at the centre of a simply supported beam of span l carrying a uniformly distributed load of w per unit length over the whole span is (a) wl (b) wl/2 (c) wl/4 (d) Zero

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Last Answer : (d) Zero

Find the correct statement from the followings. (a) For a cantilever slab, the ratio of span to overall depth should not 12. (b) One way slab which carry uniformly distributed load should be designed to resist a sagging bending moment near mid-span. (c) When the slab is built into a brick or masonry wall the slab should be designed to resist a hogging moment at the face of the support. (d) All of the above.

Description : Find the correct statement from the followings. (a) For a cantilever slab, the ratio of span to overall depth should not 12. (b) One way slab which carry uniformly distributed load should be designed to ... be designed to resist a hogging moment at the face of the support. (d) All of the above.

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The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x - (wx²/2) (A) A uniformly distributed load w/unit length (B) A load varying linearly from zero at one end to w at the other end (C) An isolated load at mid span (D) None of these

Description : The general expression for the B.M. of a beam of length l is the beam carries M = (wl/2) x - (wx²/2)  (A) A uniformly distributed load w/unit length  (B) A load varying linearly from zero at one end to w at the other end  (C) An isolated load at mid span  (D) None of these 

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A uniformly distributed load (w) of length shorter than the span crosses a girder. The bending moment at a section in the girder will be maximum when (a) Head of the load is at the section (b) Tail of the load is at the section (c) Section divides the load in the same ratio as it divides the span (d) Section divides the load in two equal lengths.

Description : A uniformly distributed load (w) of length shorter than the span crosses a girder. The bending moment at a section in the girder will be maximum when (a) Head of the load is at the section (b) Tail ... load in the same ratio as it divides the span (d) Section divides the load in two equal lengths.

Last Answer : (c) Section divides the load in the same ratio as it divides the span

The effective width of a column strip of a flat slab, is (A) One-fourth the width of the panel (B) Half the width of the panel (C) Radius of the column (D) Diameter of the column

Description : The effective width of a column strip of a flat slab, is (A) One-fourth the width of the panel (B) Half the width of the panel (C) Radius of the column (D) Diameter of the column

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If the size of panel in a flat slab is 6 m × 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are (A) 3.0 m and 1.5 m (B) 1.5 m and 3.0 m (C) 3.0 m and 3.0 m (D) 1.5 m and 1.5m

Description : If the size of panel in a flat slab is 6 m × 6 m, then as per Indian Standard Code, the widths of column strip and middle strip are (A) 3.0 m and 1.5 m (B) 1.5 m and 3.0 m (C) 3.0 m and 3.0 m (D) 1.5 m and 1.5 m

Last Answer : Answer: Option C

Thickened part of a flat slab over its supporting column, is technically known as (A) Drop panel (B) Capital (C) Column head (D) None of these

Description : Thickened part of a flat slab over its supporting column, is technically known as (A) Drop panel (B) Capital (C) Column head (D) None of these

Last Answer : Answer: Option A

Enlarged head of a supporting column of a flat slab is technically known as (A) Supporting end of the column (B) Top of the column (C) Capital (D) Drop panel

Description : Enlarged head of a supporting column of a flat slab is technically known as (A) Supporting end of the column (B) Top of the column (C) Capital (D) Drop panel

Last Answer : Answer: Option C

When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that (A) The head of the load reaches the section (B) The tail of the load reaches the section (C) The load position should be such that the section divides it equally on both sides (D) The load position should be such that the section divides the load in the same ratio as it divides the span

Description : When a uniformly distributed load, shorter than the span of the girder, moves from left to right, then the conditions for maximum bending moment at a section is that (A) The head of the load ... position should be such that the section divides the load in the same ratio as it divides the span

Last Answer : (D) The load position should be such that the section divides the load in the same ratio as it divides the span

When load is applied on concrete pavement (A) Away from edges, the maximum bending moment is negative (B) Away from edges, the maximum bending moment cause compression (C) On the edges, the maximum stress is parallel to the edge of the slab (D) None of these

Description : When load is applied on concrete pavement (A) Away from edges, the maximum bending moment is negative (B) Away from edges, the maximum bending moment cause compression (C) On the edges, the maximum stress is parallel to the edge of the slab (D) None of these

Last Answer : Answer: Option C

The design of heel slab of a retaining wall is based on the maximum bending moment due to: (A) Its own weight (B) Weight of the soil above it (C) Load of the surcharge, if any (D) All the above

Description : The design of heel slab of a retaining wall is based on the maximum bending moment due to: (A) Its own weight (B) Weight of the soil above it (C) Load of the surcharge, if any (D) All the above

Last Answer : Answer: Option D

For a simply supported beam of span L, with point load W at the centre, the maximum B.M. will be (a) WL (b) WL/2 (c) WL/4 (d) WL/8

Description : For a simply supported beam of span L, with point load W at the centre, the maximum B.M. will be (a) WL (b) WL/2 (c) WL/4 (d) WL/8

Last Answer : (c) WL/4

If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by (A) 0.2 (B) 0.3 (C) 0.4 (D) 0.5

Description : If the sides of a slab simply supported on edges and spanning in two directions are equal, the maximum bending moment is multiplied by (A) 0.2 (B) 0.3 (C) 0.4 (D) 0.5

Last Answer : Answer: Option D

If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least (A) WL/P (B) WL/2P (C) WL/3P (D) WL/4P

Description : If a bent tendon is required to balance a concentrated load W at the centre of the span L, the central dip h must be at least (A) WL/P (B) WL/2P (C) WL/3P (D) WL/4P

Last Answer : Answer: Option D

When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies (A) Less than the left half span (B) Whole of left half span (C) More than the left half span (D) Whole span

Description : When a uniformly distributed load, longer than the span of the girder, moves from left to right, then the maximum bending moment at mid section of span occurs when the uniformly distributed load occupies (A) Less ... (B) Whole of left half span (C) More than the left half span (D) Whole span

Last Answer : (D) Whole span

In a two way slab flexural bending develops [ A ] Along short span [ B ] Along long span [ C ] In Mutually perpendicular directions [ D ] At the center of short span

Description : In a two way slab flexural bending develops [ A ] Along short span [ B ] Along long span [ C ] In Mutually perpendicular directions [ D ] At the center of short span

Last Answer : [ C ] In Mutually perpendicular directions

For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is (A) 1 (B) 2 (C) 3 (D) 5

Description : For a circular slab carrying a uniformly distributed load, the ratio of the maximum negative to maximum positive radial moment, is (A) 1 (B) 2 (C) 3 (D) 5

Last Answer : Answer: Option B

A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending strain energy stored in the bar, is (A) 411 N mm (B) 511 N mm (C) 611 N mm (D) 711 N mm

Description : A steel bar 20 mm in diameter simply-supported at its ends over a total span of 40 cm carries a  load at its centre. If the maximum stress induced in the bar is limited to N/mm2, the bending  strain energy stored in the ... (A) 411 N mm  (B) 511 N mm  (C) 611 N mm  (D) 711 N mm 

Last Answer : (C) 611 N mm 

The maximum value of hoop compression in a dome is given by (A) wR / 4d (B) wR/2d (C) wR/d (D) 2wR/d Where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome

Description : The maximum value of hoop compression in a dome is given by (A) wR / 4d (B) wR/2d (C) wR/d (D) 2wR/d Where, w = load per unit area of surface of dome R = radius of curvature d = thickness of dome

Last Answer : (B) wR/2d

Critical section for shear in case of flat slabs is at a distance of (A) Effective depth of slab from periphery of column/drop panel (B) d/2 from periphery of column/capital/ drop panel (C) At the drop panel of slab (D) At the periphery of column

Description : Critical section for shear in case of flat slabs is at a distance of (A) Effective depth of slab from periphery of column/drop panel (B) d/2 from periphery of column/capital/ drop panel (C) At the drop panel of slab (D) At the periphery of column

Last Answer : Answer: Option B

Maximum bending moment in a S.S. beam having a concentrated load at the centre will be (a) WL (b) WL/2 (c) WL/4 (d) None

Description : Maximum bending moment in a S.S. beam having a concentrated load at the centre will be (a) WL (b) WL/2 (c) WL/4 (d) None

Last Answer : (c) WL/4

The maximum bending moment for a simply supported beam with a uniformly distributed load w/unit length, is (A) WI/2 (B) WI²/4 (C) WI²/8 (D) WI²/12

Description : The maximum bending moment for a simply supported beam with a uniformly distributed  load w/unit length, is  (A) WI/2  (B) WI²/4  (C) WI²/8  (D) WI²/12

Last Answer : (C) WI²/8 

For a simply supported beam of span L, loaded with U.D.L. w/m over the whole span, the maximum B.M will be (a) wL/4 (b) wL2 /8 (c) wL2 /4 (d) WwL2 /2

Description : For a simply supported beam of span L, loaded with U.D.L. w/m over the whole span, the maximum B.M will be (a) wL/4 (b) wL2 /8 (c) wL2 /4 (d) WwL2 /2

Last Answer : (b) wL2

The deflection of a uniform circular bar of diameter d and length , which extends by an amount under a tensile pull , when it carries the same load at its mid-span, is (A) el/2d (B) e²l/3d² (C) el²/3d² (D) e²l²/3d

Description : The deflection of a uniform circular bar of diameter d and length , which extends by an  amount under a tensile pull , when it carries the same load at its mid-span, is  (A) el/2d (B) e²l/3d² (C) el²/3d² (D) e²l²/3d

Last Answer : (C) el²/3d

If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured parallel to the supported edge, the effective width of the slab be is (A) K/x (1 + x/d) + bw (B) Kx (1 - x/l) + bw (C) Kx (1 + x/l) + bw (D) All the above

Description : If K is a constant depending upon the ratio of the width of the slab to its effective span l, x is the distance of the concentrated load from the nearer support, bw is the width of the area of contact of the concentrated load measured ... ) Kx (1 - x/l) + bw (C) Kx (1 + x/l) + bw (D) All the above

Last Answer : Answer: Option B

The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is (A) 25 (B) 30 (C) 35 (D) 40

Description : The maximum ratio of span to depth of a slab simply supported and spanning in two directions, is (A) 25 (B) 30 (C) 35 (D) 40

Last Answer : Answer: Option C

The maximum ratio of span to depth of a slab simple supported and spanning in two directions, is (a) 25 (b) 30 (c) 35 (d) 40

Description : The maximum ratio of span to depth of a slab simple supported and spanning in two directions, is (a) 25 (b) 30 (c) 35 (d) 40

Last Answer : (c) 35

A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be (A) 8 kN.m (B) 15 kN.m (C) 30 kN.m (D) 60 kN.m

Description : A single rolling load of 8 kN rolls along a girder of 15 m span. The absolute maximum bending moment will be (A) 8 kN.m (B) 15 kN.m (C) 30 kN.m (D) 60 kN.m

Last Answer : (C) 30 kN.m

When a series of wheel loads crosses a simply supported girder, the maximum bending moment under any given wheel load occurs when (A) The centre of gravity of the load system is midway between the centre of span and wheel load under consideration (B) The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration (C) The wheel load under consideration is midway between the centre of span and the centre of gravity of the load system (D) None of the above

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Last Answer : (B) The centre of span is midway between the centre of gravity of the load system and the wheel load under consideration

The maximum bending moment due to a train of wheel loads on a simply supported girder (A) Always occurs at centre of span (B) Always occurs under a wheel load (C) Never occurs under a wheel load (D) None of the above

Description : The maximum bending moment due to a train of wheel loads on a simply supported girder (A) Always occurs at centre of span (B) Always occurs under a wheel load (C) Never occurs under a wheel load (D) None of the above

Last Answer : (B) Always occurs under a wheel load

The maximum bending moment due to a moving load on a simply supported beam, occurs (A) At the mid span (B) At the supports (C) Under the load (D) Anywhere on the beam

Description : The maximum bending moment due to a moving load on a simply supported beam, occurs (A) At the mid span (B) At the supports (C) Under the load (D) Anywhere on the beam

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In comparison with a simply supported beam of same span and load , a continuous beam has a.less maximum bending moment b. same bending moment c. higher maximum bending moment d. twice the bending moment

Description : In comparison with a simply supported beam of same span and load , a continuous beam has a.less maximum bending moment b. same bending moment c. higher maximum bending moment d. twice the bending moment

Last Answer : a.less maximum bending moment

The ratio of the length and diameter of a simply supported uniform circular beam which experiences maximum bending stress equal to tensile stress due to same load at its mid span, is (A) 1/8 (B) 1/4 (C) 1/2 (D) 1/3

Description : The ratio of the length and diameter of a simply supported uniform circular beam which  experiences maximum bending stress equal to tensile stress due to same load at its mid span, is  (A) 1/8  (B) 1/4  (C) 1/2  (D) 1/3 

Last Answer : (C) 1/2 

A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is (A) WL/2AE (B) WL/AE (C) W²L/AE (D) W²L/2AE

Description : A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile  load W. The strain energy stored in the bar is  (A) WL/2AE (B) WL/AE (C) W²L/AE (D) W²L/2AE

Last Answer : (D) W²L/2AE

Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, under a concentrated load W at its free end, is (A) (2/3) (WL/AG) (B) (1/3) (WL²/EIA) (C) (3/2) (WL/AG)(D) (3/2) (WL²/AG

Description : Shear deflection of a cantilever of length L, cross sectional area A and shear modulus G, under a concentrated load W at its free end, is (A) (2/3) (WL/AG) (B) (1/3) (WL²/EIA) (C) (3/2) (WL/AG) (D) (3/2) (WL²/AG

Last Answer : (C) (3/2) (WL/AG

A concentrated load P acts on a simply supported beam of span L at a distance L/3 from the left support. The bending moment at the point of application of the load is given by (a) PL/3 (b) 2PL/3 (c) PL/9 (d) 2PL/9

Description : A concentrated load P acts on a simply supported beam of span L at a distance L/3 from the left support. The bending moment at the point of application of the load is given by (a) PL/3 (b) 2PL/3 (c) PL/9 (d) 2PL/9

Last Answer : (d) 2PL/9

If the sides o a slab simply supported on its edges and spanning in two way are equal, then the maximum bending moment is multiplied by. (a) 0.25 (b) 0.50 (c) 0.75 (d) 0.85

Description : If the sides o a slab simply supported on its edges and spanning in two way are equal, then the maximum bending moment is multiplied by. (a) 0.25 (b) 0.50 (c) 0.75 (d) 0.85

Last Answer : (b) 0.50