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 : 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 : A bending moment may be defined as: (A) Arithmetic sum of the moments of all the forces on either side of the section (B) Arithmetic sum of the forces on either side of the section (C) Algebraic sum of the moments of all the forces on either side of the section (D) None of these
Last Answer : (C) Algebraic sum of the moments of all the forces on either side of the section
Description : In the slope deflection equations, the deformations are considered to be caused by (i) Bending moment (ii) Shear force (iii) Axial force The correct answer is (A) Only (i) (B) (i) and (ii) (C) (ii) and (iii) (D) (i), (ii) and (iii)
Last Answer : (A) Only (i)
Description : The location of centre of pressure, which defines the point of application of the total pressure force on the surface, can be calculated by applying the principle of moments according to which "sum of the moment of the resultant force about an ... liquid) (A) 1/(y/3) (B) 2y/3 (C) 1/(y/4) (D) 3y/4
Last Answer : (B) 2y/3
Description : When applying to pressure ratings listed in ASME B16.5 at high or low temperatures which of the following must be considered? a) Risk of leakage due to forces and moments developed. b) Bursting of the flanged fitting. c) The bolting forces at the flange. d) All of the above.
Last Answer : a) Risk of leakage due to forces and moments developed.
Description : The number of independent equations to be satisfied for static equilibrium in a space structure is (A) 2 (B) 3 (C) 4 (D) 6
Last Answer : (D) 6
Description : The number of independent equations to be satisfied for static equilibrium of a plane structure is (A) 1 (B) 2 (C) 3 (D) 6
Last Answer : (C) 3
Description : The number of independent equations to be satisfied for static equilibrium in a space structure is (a) 3 (b) 6 (c) 4 (d) 2
Last Answer : 6
Description : The moments developed in the slab are influenced by the following factors i.Short span ii.Long span iii.Type of supporting edge. iv.Magnitude and type of load on slab [ A ] i, iii and iv [ B ] ii ,iii and iv [ C ] i and iii [ D ] i, ii , iii and iv
Last Answer : [ D ] i, ii , iii and iv
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 : 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 : A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called (A) Pascal's law (B) (C) D-Alembert's principle (D) None of these
Last Answer : Answer: Option C
Description : The deep beams are designed for (a) Shear force only (b) Bending moment only (c) Both S.F & B.M (d) Bearing
Last Answer : (b) Bending moment only
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 : 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 : 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 : square cross section b/h/h'=400/400/40mm with a reinforcement ratio of p=0.015 is loaded for action forces of axial load plus uniaxial bending.the column is to be made of C25/30 concrete & S-460 steel.check whether the column AB is short or long?
Last Answer : 10001/999900
Description : The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same. (A) Circular beam is more economical (B) Square beam is more economical (C) Both the beams are equally strong (D) Both the beams are equally economical
Last Answer : (B) Square beam is more economical
Description : At either end of a plane frame, maximum number of possible bending moments, are (A) Zero (B) One (C) Two (D) Three
Last Answer : (A) Zero
Description : A shaft is subjected to bending moment M and a torque T simultaneously. The ratio of the maximum bending stress to maximum shear stress developed in the shaft, is (A) M/T (B) T/M (C) 2M/T (D) 2T/M
Last Answer : (C) 2M/T
Description : Pick up the correct statement from the following: (A) Mcg = M M 2 + r2 ) where letters carry their usual meanings (B) Tcp = m 2 + T2 )where ... maximum shear stress caused by the combined bending and torsion, is called equivalent torque (D) All the above
Last Answer : (D) All the above
Description : shaft subjected to a bending moment M and a torque T, experiences (A) Maximum bending stress = 32M d 3 (B) Maximum shear stress = 16 T d 3 (C) Both (a) and (b) (D) Neither (a) nor (b)
Last Answer : (C) Both (a) and (b)
Description : A beam is said to be of uniform strength, if (A) B.M. is same throughout the beam (B) Shear stress is same throughout the beam (C) Deflection is same throughout the beam (D) Bending stress is same at every section along its longitudinal axis
Last Answer : (D) Bending stress is same at every section along its longitudinal axis
Description : If Z and I are the section modulus and moment of inertia of the section, the shear force F and bending moment M at a section are related by (A) F = My/I (B) F = M/Z (C) F = dM/dx (D) F Mdx
Last Answer : (C) F = dM/dx
Description : A beam is said to be of uniform strength, if (A) B.M. is same throughout the beam (B) Deflection is same throughout the beam (C) Bending stress is same throughout the beam (D) Shear stress is same throughout the beam
Last Answer : (C) Bending stress is same throughout the beam
Description : An arch may be subjected to (A) Shear and axial force (B) Bending moment and shear force (C) Bending moment and axial force (D) Thrust, shear force and bending moment
Last Answer : (D) Thrust, shear force and bending moment
Description : Reactions at the supports of a structure can be determined by equating the algebraic sum of (A) Horizontal forces to zero (B) Vertical forces to zero (C) Moment about any point to zero (D) All the above
Description : The Diamond Model suggests that four factors determine a firm's competitive advantage: a) 1) home demand conditions; 2) home supply conditions; 3) firm strategy and structure; 4) supporting ... home demand conditions; 2) home supply; 3) firm strategy; 4) related and supporting industries.
Last Answer : home demand conditions; 2) home factor conditions; 3) firm strategy, structure and rivalry; 4) related and supporting industries
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 : 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 : 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 : If there are m unknown member forces, r unknown reaction components and j number of joints, then the degree of static indeterminacy of a pin-jointed plane frame is given by (A) m + r + 2j (B) m - r + 2j (C) m + r - 2j (D) m + r - 3j
Last Answer : (C) m + r - 2j
Description : The algebraic sum of moments of the forces forming couple about any point in their plane is (A) Equal to the moment of the couple (B) Constant (C) Both of above are correct (D) Both of above are wrong
Last Answer : (A) Equal to the moment of the couple
Description : According to principle of moments (A) If a system of coplanar forces is in equilibrium, then their algebraic sum is zero (B) If a system of coplanar forces is in equilibrium, then the ... of their resultant about the same point (D) Positive and negative couples can be balanced
Last Answer : (C) The algebraic sum of the moments of any two forces about any point is equal to moment of their resultant about the same point
Description : Compare pin type and suspension insulators on given points: (i) Position of insulator on cross arm. (ii) Position of conductor on insulator. (iii) Reaction on cross arm. (iv) Possibility of ... Replacement cost (vi) Maximum voltage level (vii) Effect on height of supporting structure. (viii) Life
Last Answer : S.No Points Pin Type insulator Suspension or Disc Type insulator 1 Position of insulator on cross arm It is fixed on top of cross arm by using galvanized steel pin. So it is ... so to maintain minimum ground clearance height of pole increase. 8 Life Less More
Description : In a static fluid (A) Resistance to shear stress is small (B) Fluid pressure is zero (C) Linear deformation is small (D) Only normal stresses can exist
Last Answer : Answer: Option D
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 shaft is said to be in pure torsion if a. Turning moment is applied at one end and other end is free b. Turning force is applied at one end and other end is free c. Two opposite turning moments are applied to the shaft d. Combination of torsional load and bending load is applied to the shaft
Last Answer : c. Two opposite turning moments are applied to the shaft
Description : The bending moment ‘M’ and a torque ‘T’ is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then ‘M’ is equal to (A) T/2 (B) T (C) 2 T (D) 4 T
Last Answer : (A) T/2
Description : Torque and bending moment of 100 kN.m and 200 kN.m acts on a shaft which has external diameter twice of internal diameter. What is the external diameter of the shaft which is subjected to a maximum shear stress of 90 N/mm2? a. 116.5 mm b. 233.025 mm c. 587.1 mm d. 900 mm
Last Answer : c. 587.1 mm
Description : The ratio of maximum bending stress to maximum shear stress on the cross section when a shaft is simultaneously subjected to a torque T and bending moment M, a. T/M b. M/T c. 2T/M d. 2M/T
Last Answer : d. 2M/T
Description : Pick up the correct statement from the following: (A) The bending stress in a section is zero at its neutral axis and maximum at the outer fibres (B) The shear stress is zero at the outer ... (C) The bending stress at the outer fibres, is known as principal stress (D) All the above
Description : Pick up the correct statement from the following: (A) For channels, the shear centre does not coincide its centroid (B) The point of intersection of the bending axis with the cross section ... shear centre coincides with the centroid of the cross section of the beam (D) All the above
Description : If the shear force along a section of a beam is zero, the bending moment at the section is (A) Zero (B) Maximum (C) Minimum (D) Average of maximum-minimum
Last Answer : (B) Maximum
Description : A diagram which shows the variations of the axial load for all sections of the span of a beam, is called (A) Bending moment diagram (B) Shear force diagram (C) Thrust diagram (D) Stress diagram
Description : Pick up the correct statement from the following: (A) The rate of change of bending moment is equal to rate of shear force (B) The rate of change of shear force is equal to rate of loading (C) Neither (a) nor (b) (D) Both (a) and (b
Last Answer : (D) Both (a) and (b
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 : In a combined footing for two columns carrying unequal loads, the maximum hogging bending moment occurs at (A) Less loaded column (B) More loaded column (C) A point of the maximum shear force (D) A point of zero shear force
Description : The amount of reinforcement for main bars in a slab, is based upon (A) Minimum bending moment (B) Maximum bending moment (C) Maximum shear force (D) Minimum shear force
Last Answer : Answer: Option B