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Q. 1) A simply supported beam A carries a point load at its mid span. Another identical beam B carries the same load but uniformly distributed over the entire span. The ratio of the maximum deflections of the beams A and B, will be

(A) 2/3
(B) 3/2
(C) 5/8
(D) 8/5
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Q. 2) Principal planes are subjected to

(A) Normal stresses only
(B) Tangential stresses only
(C) Normal stresses as well as tangential stresses
(D) None of these
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Q. 3) Y are the bending moment, moment of inertia, radius of curvature, modulus of If M, I, R, E, F and elasticity stress and the depth of the neutral axis at section, then

(A) M/I=R/E=F/Y
(B) I/M=R/E=F/Y
(C) M/I=E/R=F/Y
(D) M/I=E/R=Y/F
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Q. 4) 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
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Q. 5) A masonry dam (density = 20,000 N/m3) 6 m high, one meter wide at the top and 4 m wide at the base, has vertical water face. The minimum stress at the base of the dam when the reservoir is full, will be

(A) 75 N/m2
(B) 750 N/m2
(C) 7,500 N/m2
(D) 75,000 N/m2
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Q. 6) The ratio of the maximum deflections of a simply supported beam with a central load W and of a cantilever of same length and with a load W at its free end, is

(A) 1/8
(B) 1/10
(C) 1/12
(D) 1/16
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Q. 7) The ratio of the length and depth of a simply supported rectangular beam which experiences maximum bending stress equal to tensile stress, due to same load at its mid span, is

(A) 1/2
(B) 2/3
(C) 1/4
(D) 1/3
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Q. 8) 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
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Q. 9) The deflection of a uniform circular bar of diameter d and length L
, which extends by an amount under a tensile pull W, when it carries the same load at its mid-span, is

(A) el/2d
(B) e2l/3d2
(C) el2/3d2
(D) e1/2/3d2
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Q. 10) 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
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