A three hinged arch is generally hinged at its supports and 

(A) At one quarter span 

(B) At the crown 

(C) Anywhere in the rib 

(D) None of these 

1 Answer

Answer :

(C) Anywhere in the rib 

Related questions

Description : A three hinged arch is loaded with an isolated load 1000 kg at a horizontal distance of 2.5 m from the crown, 1 m above the level of hinges at the supports 10 metres apart. The horizontal thrust is (A) 1250 kg (B) 125 kg (C) 750 kg (D) 2500 kg

Last Answer : (A) 1250 kg

Description : In a three hinged arch, the shear force is usually (A) Maximum at crown (B) Maximum at springing (C) Maximum at quarter points (D) Varies with slope

Last Answer : (B) Maximum at springing

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

Description : A three hinged parabolic arch hinged at the crown and springing, has a horizontal span of 4.8 m  and a central rise of 1 m. It carries a uniformly distributed load of 0.75 tonne per metre over half  left hand span ... A) 10.8 tonnes  (B) 1.08 tonnes  (C) 1.8 tonnes  (D) 0.8 tonnes 

Last Answer : (B) 1.08 tonnes 

Description : In a three hinged arch, the third hinge is generally kept at  (A) Crown of the arch  (B) Midpoint of the crown and left support hinge  (C) Midpoint of the crown and right support hinge  (D) None of these 

Last Answer : (A) Crown of the arch

Description : If a three hinged parabolic arch carries a uniformly distributed load on its entire span, every section of the arch resists. (A) Compressive force (B) Tensile force (C) Shear force (D) Bending moment

Last Answer : (A) Compressive force

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 

Description : For a symmetrical two hinged parabolic arch, if one of the supports settles horizontally, then the horizontal thrust (A) Is increased (B) Is decreased (C) Remains unchanged (D) Becomes zero

Last Answer : (B) Is decreased

Description : For a two-hinged arch, if one of the supports settles down vertically, then the horizontal thrust (A) Is increased (B) Is decreased (C) Remains unchanged (D) Becomes zero

Last Answer : (C) Remains unchanged

Description : The rise of a parabolic arch at quarter points, is equal to (A) 1/3 times the rise of the crown (B) 1/4 times the rise of the crown (C) 1/2 times the rise of the crown (D) 3/4 times the rise of the crown

Last Answer : (D) 3/4 times the rise of the crown

Description : 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 ... arch).  (A) 50/EIc (B) 100/EIc (C) 150/EIc (D) 200/E

Last Answer : (D) 200/E

Description : Design of R.C.C. simply supported beams carrying U.D.L. is based on the resultant B.M. at (A) Supports (B) Mid span (C) Every section (D) Quarter span

Last Answer : Answer: Option B

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

Last Answer : (C) Under the load

Description : For determining the support reactions at A and B of a three hinged arch, points B and Care joined  and produced to intersect the load line at D and a line parallel to the load line through A at D'.  Distances AD, DD ... reactions at A and B is  (A) 30°  (B) 45°  (C) 60°  (D) 90

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Description : In a three hinged arch, the bending moment will be zero (A) At right hinge only (B) At left hinge only (C) At both right and left hinges (D) At all the three hinges

Last Answer : (D) At all the three hinges

Description : A three-hinged arch is said to be:  (A) Statically determinate structure  (B) Statically indeterminate structure  (C) A bent beam  (D) None of these

Last Answer : (A) Statically determinate structure 

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

Last Answer : (A) Straight line 

Description : There are two hinged semicircular arches A, B and C of radii 5 m, 7.5 m and 10 m respectively and  each carries a concentrated load W at their crowns. The horizontal thrust at their supports will be  in the ratio of  (A) 1 ... (B) 2 : 1½ : 1  (C) 1 : 1 : 2 (D) None of these

Last Answer : (C) 1 : 1 : 2 

Description : The reaction at the supports will be vertical to the plane of the support if the frame structure rests  on  (A) Roller supports  (B) Free supports  (C) Hinged supports  (D) All the above 

Last Answer : (D) All the above 

Description : The width of the flange of a T-beam should be less than (A) One-third of the effective span of the T-beam (B) Distance between the centres of T-beam (C) Breadth of the rib plus twelve times the thickness of the slab (D) Least of the above

Last Answer : Answer: Option D

Description : The width of the flange of a L-beam, should be less than (A) One-sixth of the effective span (B) Breadth of the rib + four times thickness of the slab (C) Breadth of the rib + half clear distance between ribs (D) Least of the above

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Description : The breadth of the flange of a T-beam is (a) 1/3rd of the effective span of the T-beam (b) Twelve times the depth of slab plus breadth of rib. (c) Centre to centre distance between the adjacent beam. (d) Least of (a) , (b) or (c)

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Last Answer : Answer: Option A

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Description : The depth of an arch is the distance between (A) Ground level and springing line (B) Crown and springing line (C) Crown and ground level (D) Intrados and extrados

Last Answer : Answer: Option D

Description : The lower half portion between crown and skew back of the arch, is called (A) Spandril (B) Haunch (C) Springing (D) Soffit

Last Answer : Answer: Option B

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Last Answer : Answer: Option B

Description : The three moments equation is applicable only when (A) The beam is prismatic (B) There is no settlement of supports (C) There is no discontinuity such as hinges within the span (D) The spans are equal

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Description : The equation of a parabolic arch of span and rise , is given by  (A) y = h/l² × (1 - x)  (B) y = 2h/l² × (1 - x)  (C) y = 3h/l² × (1 - x)  (D) y = 4h/l² × (1 - x) 

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Description : A simply supported beam carrying a uniformly distributed load over its whole span, is propped at  the centre of the span so that the beam is held to the level of the end supports. The reaction of  ... B) 3/8th the distributed load  (C) 5/8th the distributed load  (D) Distributed load 

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Description : 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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