A three-hinged arch is said to be:
(A) Statically determinate structure
(B) Statically indeterminate structure
(C) A bent beam
(D) None of these
Description : An arch with three hinges, is a structure (A) Statically determinate (B) Statically indeterminate (C) Geometrically unstable (D) Structurally sound but indeterminate
Last Answer : (A) Statically determinate
Description : For a beam, if fundamental equations of statics are not sufficient to determine all the reactive forces at the supports, the structure is said to be (A) Determinate (B) Statically determinate (C) Statically indeterminate (D) None of these
Last Answer : (C) Statically indeterminate
Description : Muller Breslau's principle for obtaining influence lines is applicable to (i) Trusses (ii) Statically determinate beams and frames (iii) Statically indeterminate structures, the material of which is elastic and follows Hooke's law (iv ... B) (i), (ii) and (iv) (C) (i) and (ii) (D) Only (i)
Last Answer : (A) (i), (ii) and (iii)
Description : A continuous beam is a. statically determinate b. statically indeterminate c.dynamically determinate d. statically redundant
Last Answer : b. statically indeterminate
Description : If in a rigid-jointed space frame, (6m + r) < 6j, then the frame is (A) Unstable (B) Stable and statically determinate (C) Stable and statically indeterminate (D) None of the above
Last Answer : (A) Unstable
Description : If in a pin-jointed plane frame (m + r) > 2j, then the frame is (A) Stable and statically determinate (B) Stable and statically indeterminate (C) Unstable (D) None of the above
Last Answer : (B) Stable and statically indeterminate
Description : The Castigliano's second theorem can be used to compute deflections (A) In statically determinate structures only (B) For any type of structure (C) At the point under the load only (D) For beams and frames only
Last Answer : (B) For any type of structure
Description : Castigliano's first theorem is applicable (A) For statically determinate structures only (B) When the system behaves elastically (C) Only when principle of superposition is valid (D) None of the above
Last Answer : (C) Only when principle of superposition is valid
Description : A rigid-jointed plane frame is stable and statically determinate if (A) (m + r) = 2j (B) (m + r) = 3j (C) (3m + r) = 3j (D) (m + 3r) = 3j Where m is number of members, r is reaction components and j is number of joints
Last Answer : (C) (3m + r) = 3j
Description : Stress in members of statically determinate simple frames, can be determined by (A) Method of joints (B) Method of sections (C) Graphical solution (D) All the above
Last Answer : (D) All the above
Description : Influence lines are drawn for structures (A) Of any type (B) Statically determinate (C) Pin-jointed truss (D) None of these
Last Answer : (A) Of any type
Description : Beams composed of more than one material, rigidly connected together so as to behave as one piece, are known as (A) Compound beams (B) Indeterminate beams (C) Determinate beams (D) Composite beams
Last Answer : (D) Composite beams
Description : Which of the following are statically determinate beams? (a) Only simply supported beams (b) Cantilever, overhanging and simply supported (c) Fixed beams (d) Continuous beams
Last Answer : (b) Cantilever, overhanging and simply supported
Description : 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
Last Answer : (C) Anywhere in the rib
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
Last Answer : (D) 90
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 : 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 : 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 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 : 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 : 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 : 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 : A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a. ... c.Indeterminate d.Determinate but depends on the acceleration of the cylinder e.None of the above
Last Answer : c. Indeterminate
Description : A uniform cylinder of weight W is rolling while slipping on a rough horizontal surface under the influence of a horizontal force. The force of friction between the cylinder and the surface is a. ... on the acceleration of the cylinder d.107 dynes e.Proportional to the coefficient of static friction
Last Answer : c. Determinate but depends on the acceleration of the cylinder
Description : Tomato varieties are mainly: a. Indeterminate type b. Determinate type c. Both types d. None of these
Last Answer : Both types
Description : Transmission media are usually categorized as_______. A) fixed or unfixed B) guided orunguided C) determinate or indeterminate D) metallicor nonmetallic
Last Answer : guided orunguided
Description : Transmission media are usually categorized as . a. Guided or Unguided b. Determinate or Indeterminate c. Fixed or Unfixed d. Encryption or Decryption
Last Answer : a. Guided or Unguided
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 : 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 fixed support in a real beam becomes in the conjugate beam a (A) Roller support (B) Hinged support (C) Fixed support (D) Free end
Last Answer : (D) Free end
Description : By applying the static equations i.e. H V M = 0, to a determinate structure, we may determine (A) Supporting reactions only (B) Shear forces only (C) Bending moments only (D) All the above
Description : The number of plastic hinges required in a structure of indeterminate status for a ‘mechanism’ to develop is (a) i (b) i + 1 ( c) i + 2 (d) i – 1 Where ‘i' is the degree of indeterminacy
Last Answer : (b) i + 1
Description : 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
Last Answer : Answer: Option C
Description : Pick up the incorrect statement from the following: Tensile reinforcement bars of a rectangular beam (A) Are curtailed if not required to resist the bending moment (B) Are bent up at suitable ... to serve as shear reinforcement (D) Are maintained at bottom to provide at least local bond stress
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
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 : m1 and m2 are the members of two individual simple trusses of a compound truss. The compound truss will be rigid and determinate if (A) m = m1 + m2 (B) m = m1 + m2 + 1 (C) m = m1 + m2 + 2 (D) m = m1 + m2 + 3
Last Answer : (D) m = m1 + m2 + 3
Description : Metal can be bent without breaking. It is said to bee?
Last Answer : A metal that can be bent without breaking and will stay bent is said to be malleable. This is one of the main properties of metals.
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 ratio of crippling loads of a column having both the ends fixed to the column having both the ends hinged, is (A) 1 (B) 2 (C) 3 (D) 4
Last Answer : (D) 4
Description : P = /L² is the equation for Euler's crippling load if (A) Both the ends are fixed (B) Both the ends are hinged (C) One end is fixed and other end is free (D) One end is fixed and other end is hinged
Last Answer : (B) Both the ends are hinged
Description : Euler's formula states that the buckling load for a column of length , both ends hinged and whose least moment of inertia and modulus of elasticity of the material of the column are and respectively, is given by the relation (A) P = ²EI/l² (B) P = /EI (C) P = /l² (D) P = ²EI/l
Last Answer : (A) P = ²EI/l²
Description : Columns of given length, cross-section and material have different values of buckling loads for different end conditions. The strongest column is one whose (A) One end is fixed and other end is hinged (B) Both ... (C) One end is fixed and the other end entirely free (D) Both the ends are fixed
Last Answer : (D) Both the ends are fixed
Description : The length of a column, having a uniform circular cross-section of 7.5 cm diameter and whose ends are hinged, is 5 m. If the value of E for the material is 2100 tonnes/cm2 , the permissible maximum crippling load will be (A) 1.288 tonnes (B) 12.88 (C) 128.8 tonnes (D) 288.0
Last Answer : (B) 12.88
Description : To prevent compressive stresses in a rigid concrete pavement, the joint provided, is (A) Expansion joint (B) Contraction joint (C) Hinged joint (D) All the above
Last Answer : Answer: Option D
Description : While designing the pile as a column, the end conditions are nearly (A) Both ends hinged (B) Both ends fixed (C) One end fixed and other end hinged (D) One end fixed and other end free
Description : A wooden block hinged on post outside a door, is known (A) Cleat (B) Stop (C) Horn (D) None of these
Last Answer : Option A
Description : (A) Singlet carbenes have opposite spin (antiparallel). (R) They have a bent structure.
Last Answer : (A) Singlet carbenes have opposite spin (antiparallel). (R) They have a bent structure. A. If both (A) ... D. IF (A) is incorrect but (R) is correct.