The vertical reaction for the arch is (A) wa/2l (B) wl/a (C) wa/l (D) wa²/2

The vertical reaction for the arch is 

(A) wa/2l

(B) wl/a

(C) wa/l

(D) wa²/2

by

1 Answer

Answer :

(A) wa/2l

by

Related questions

An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of span 2l and rise h hinged at the crown, the horizontal reaction at the support, is (A) Wa/h (B) Wa/2h(C) 2W/ha(D) 2h/W

Description : An isolated load W is acting at a distance a from the left hand support, of a three hinged arch of  span 2l and rise h hinged at the crown, the horizontal reaction at the support, is  (A) Wa/h  (B) Wa/2h (C) 2W/ha (D) 2h/W

Last Answer : (B) Wa/2h

If is the difference in height between end points of a chain of length , the required slope correction is (A) h²/2l (B) h/2l (C) h²/l (D) 2h²/2l

Description : If is the difference in height between end points of a chain of length , the required slope correction is (A) h²/2l (B) h/2l (C) h²/l (D) 2h²/2l

Last Answer : (A) h²/2l

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 

Last Answer : (A) A uniformly distributed load w/unit length 

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

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

Description : 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

Last Answer : (A) WL/3

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

Last Answer : (B) WL/8

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

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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

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

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

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Last Answer : Answer: Option C

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

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

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A pre-stressed rectangular beam which carries two concentrated loads W at L/3 from either end, is provided with a bent tendon with tension P such that central one-third portion of the tendon remains parallel to the longitudinal axis, the maximum dip h is (A) WL/P (B) WL/2P (C) WL/3P (D) WL/4P

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Last Answer : Answer: Option C

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 (log x)/(l + m - 2n) = (log y)/(m + n - 2l) = (log z)/(n + l - 2m), then xyz is equal to : -Maths 9th

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Last Answer : Let l+m−2nlogx​=m+n−2llogy​=n+l−2mlogz​=k(say) So, we get logx=k(l+m−2n) ....... (i) logy=k(m+n−2l) ....... (ii) logz=k(n+l−2m) ....... (iii) ∴logx+logy+logz=k(l+m−2n)+k(m+n−2l)+k(n+l−2m) ⇒logx+logy+logz=kl+km−2kn+km+kn−2kl+kn+kl−2km ⇒log(xyz)=0 ⇒logxyz=log1 ⇒xyz=1

If (log x)/(l + m - 2n) = (log y)/(m + n - 2l) = (log z)/(n + l - 2m), then xyz is equal to : -Maths 9th

Description : If (log x)/(l + m - 2n) = (log y)/(m + n - 2l) = (log z)/(n + l - 2m), then xyz is equal to : -Maths 9th

Last Answer : (b) 1Let \(rac{ ext{log}\,x}{l+m-2n}\) = \(rac{ ext{log}\,y}{m+n-2l}\) = \(rac{ ext{log}\,z}{n+l-2m}\) = k. Thenlog x = k(l + m – 2n), log y = k(m + n – 2l); log z = k(n + l – 2m) ⇒ log x + log y + log z = k(l + m – 2n) + k(m + n – 2l) + k(n + l – 2m)⇒ log(xyz) = 0 ⇒ log(xyz) = log 1 ⇒ xyz = 1.

Two wires of the same materical having equal area of cross-section have L and 2L. Their respective resistances are in the ratio

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Find the current when the magnetic field intensity is given by 2L and L varies as 0->1. a) 2 b) 1 c) 0.5 d) 0

Description : Find the current when the magnetic field intensity is given by 2L and L varies as 0->1. a) 2 b) 1 c) 0.5 d) 0

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In a off centre point loaded fixed beam total moment is a. Wab / L b.Wab / 2L c. Wab / 3L

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Pick up the correct statement from the following: (A) The tangent screw enables to give small movement under conditions of smooth and positive control (B) Standing on the tripod is the levelling head or trib arch (C) The levelling screws are used to tilt the instrument so that its rotation axis is truly vertical (D) All the above

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The vertical distance between the springing line and highest point of the inner curve of an arch is known as (A) Intrados (B) Rise (C) Spandril (D) Extrados

Description : The vertical distance between the springing line and highest point of the inner curve of an arch is known as (A) Intrados (B) Rise (C) Spandril (D) Extrados

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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

Description : 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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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

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

Description : 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

Last Answer : (d) Zero

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

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

Elongation of a bar of uniform cross section of length ‘L’, due to its own weight ‘W’ is given by a. 2WL/E b. WL/E c. WL/2E d. WL/3E Where, E=Young’s modulus of elasticity of material

Description : Elongation of a bar of uniform cross section of length ‘L’, due to its own weight ‘W’ is given by a. 2WL/E b. WL/E c. WL/2E d. WL/3E Where, E=Young’s modulus of elasticity of material

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The horizontal deflection of a parabolic curved beam of span 10 m and rise 3 m when loaded with a uniformly distributed load l t per horizontal length is (where Ic is the M.I. at the crown, which varies as the slope of the arch). (A) 50/EIc (B) 100/EIc (C) 150/EIc (D) 200/E

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If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span, (A) Horizontal thrust is wl2 /8h (B) S.F. will be zero throughout (C) B.M. will be zero throughout (D) All the above

Description : If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit  length over the entire span,  (A) Horizontal thrust is wl2 /8h (B) S.F. will be zero throughout  (C) B.M. will be zero throughout  (D) All the above 

Last Answer : (D) All the above 

If is the difference in level between end points separated by , then the slope correction is [(h²/2l) + (h 4 /8l3 )]. The second term may be neglected if the value of in a 20 m distance is less than (A) ½ m (B) 1 m (C) 2 m (D) 3 m

Description : If is the difference in level between end points separated by , then the slope correction is [(h²/2l) + (h 4 /8l3 )]. The second term may be neglected if the value of in a 20 m distance is less than (A) ½ m (B) 1 m (C) 2 m (D) 3 m

Last Answer : (D) 3 m

Which of the following will NOT be used in determination of vertical dimension? a. Aesthetic b. Phonetics c. Gothic arch tracing. d. Swallowing

Description : Which of the following will NOT be used in determination of vertical dimension? a. Aesthetic b. Phonetics c. Gothic arch tracing. d. Swallowing

Last Answer : c. Gothic arch tracing.

Which of the following will NOT be used in the determination of vertical dimension: A. Aesthetic B. Phonetics C. Gothic arch tracing D. Swallowing

Description : Which of the following will NOT be used in the determination of vertical dimension: A. Aesthetic B. Phonetics C. Gothic arch tracing D. Swallowing

Last Answer : C. Gothic arch tracing

The MOST common consequence arising from premature extraction of deciduous molars is: A. Loss of arch length B. Loss of speech sound C. Loss of facial contour D. Loss of vertical height E. Loss of free way space

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A uniform girder simply supported at its ends is subjected to a uniformly distributed load over its entire length and is propped at the centre so as to neutralise the deflection. The net B.M. at the centre will be (A) WL (B) WL/8 (C) WL/24 (D) WL/32

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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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Last Answer : (C) WL/8

A pile of length carrying a uniformly distributed load per metre length is suspended at two points, the maximum, B.M. at the centre of the pile or at the points of suspension, is (A) WL/8 (B) WL²/24 (C) WL²/47 (D) WL²/16

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Last Answer : Answer: Option C

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Description : Select the incorrect from the following. The combinations of loads for serviceability conditions should be [ A ] 1.0 DL + 1.0 LL [ B ] 1.0 DL + 1.0 WL [ C ] 1.0 DL + 0.8 LL + 0.8 WL [ D ] 0.8 DL + 0.8 LL + 0.8 WL

Last Answer : [ D ] 0.8 DL + 0.8 LL + 0.8 WL

The locus of reaction of a two hinged semi-circular arch, is (A) Straight line (B) Parabola (C) Circle (D) Hyperbola

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The total surface area of a cone whose radius is r/2 and slant height 2l is -Maths 9th

Description : The total surface area of a cone whose radius is r/2 and slant height 2l is -Maths 9th

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Description : The total surface area of a cone whose radius is r/2 and slant height 2l is -Maths 9th

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how do I replace a camshaft synchronizer on a 1998 ford 4.2L

Description : how do I replace a camshaft synchronizer on a 1998 ford 4.2L

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A conducting stick of length 2L and mass m is moving down a smooth inclined plane of inclination `60^(@)` with constant speed 5m/s. A current 2A is fl

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The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) (A) wA (B) wx (C) wAx (D) wA/x

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If N is deviation angle the length L of a parabolic vertical curve for overtaking sight distance S, is (A) NS²/9.6 if L > S (B) NS²/9.6 if L < S (C) 2S - 9.6/N if L < S (D) Both (A) and (C)

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If the rate of change of grade permitted along a vertical curve is r and total change of grade is g%, the length L of the curve to be provided, is (A) L = (r × 100/g) m (B) L = (g × 100/r) m (C) L = (r + g) × 100m (D) L = [100/(r + g)] m

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The maximum distance of the apex of a vertical curve of length L from the point of intersection of two grades + g1%, and - g2% (g1 > g2), is (A) L(g - g (B) L(g - g (C) L(g g (D) L(g - g

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If N is deviation angle, the length L, of a parabolic vertical curve for safe stopping distance S, is(A) NS²/4.4 if L > S(B) 2S - 4.4/N if L < S(C) 2S - 4.4/N if L > S(D) Both (a) and (b)

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Which among the following is the value of static deflection (δ) for a fixed beam with central point load? A ( Wl 3 ) /(192 EI) B ( Wl 2 ) /(192 EI) C (Wl 3 ) /(384 EI) D None of the above

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Last Answer : A ( Wl 3 ) /(192 EI)

Which among the following is the value of static deflection (δ) for a fixed beam with central point load? a. (Wl 3 ) /(192 EI) b. (Wl 2 ) /(192 EI) c. (Wl 3 ) /(384 EI)

Description : Which among the following is the value of static deflection (δ) for a fixed beam with central point load? a. (Wl 3 ) /(192 EI) b. (Wl 2 ) /(192 EI) c. (Wl 3 ) /(384 EI)

Last Answer : a. (Wl 3 ) /(192 EI)

Mark the incorrect option a) EA & Yugal suraksha policies may be surrendered or made paid up after 3years.b) WL and CWL policies may be surrendered or made paid up after 4 yearsc) AEA policy may be surrendered after 3 yeard) All the above Ans:c( AEA policy cannot be surrendered)25. As per revised Govt policy the insura

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Deflection of a simply supported beam when subjected to central point load is given as ________ a. (Wl /16 EI) b. (Wl2/16 EI) c. (Wl3/48 EI) d. (5Wl4/ 384EI)

Description : Deflection of a simply supported beam when subjected to central point load is given as ________ a. (Wl /16 EI) b. (Wl2/16 EI) c. (Wl3/48 EI) d. (5Wl4/ 384EI)

Last Answer : c. (Wl3/48 EI)