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 = m + m + 3
For a strongest rectangular beam cut from a circular log, the ratio of the width and depth, is________________?
(A) 0.303
(B) 0.404
(C) 0.505
(D) 0.707
The ratio of maximum shear stress to average shear stress of a circular beam, is________________?
(A) 2/3
(B) 3/2
(C) 3/4
(D) 4/3
The force in BF of the truss shown in given figure, is_______________?
(A) 4t tension
(B) 4t compression
(C) 4.5t tension
(D) 4.5t compression
The ratio of lateral strain to axial strain of a homogeneous material, is known___________________?
(A) Yield ratio
(B) Hooke’s ratio
(C) Poisson’s ratio
(D) Plastic ratio
A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is_______________?
(A) [W (1 + f/ G)]/ A
(B) (1 – g/f)/A
(C) [W (2 + f/G)]/A
(D) [W (2 + g/f)]/A
length of a column of length L, having one end fixed and other end hinged, is The equivalent_____________?
(A) 2 L
(B) L
(C) L/2
(D) L
If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?
(A) D4 – d4)
(B) D4 – d4)
(C) D4 – d4)
(D) D4 – d4)
The force in EC of the truss shown in the given figure, is__________________?
(A) Zero
(B) 5t tension
(C) 5t compression
(D) 4t tension
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