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
For permissible shear stress fs, the torque transmitted by a thin tube of mean diameter D and wall thickness t, is________________?
(A) ( /2) t fs
(B) ( /2) t fs
(C) D2t fs
(D) ( /4) fs
Stress may be defined as_________________?
(A) Force per unit length
(B) Force per unit volume
(C) Force per unit area
(D) None of these
The equivalent length of a column of length L, having both the ends hinged, is_______________?
(A) 2L
(B) L
(C) L/2
(D) L
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 : 1½ : 2
(B) 2 : 1½ : 1
(C) 1 : 1 : 2
(D) None of these
For beams of uniform strength, if depth is constant______________?
(A) Width b M
(B) Width b M
(C) Width b 3 M
(D) Width b 1/M
The maximum magnitude of shear stress due to shear force F on a rectangular section of area A at the neutral axis, is__________________?
(A) F/A
(B) F/2A
(C) 3F/2A
(D) 2F/3A
In plastic analysis, the shape factor for a circular section, is_________________?
(A) 1.5
(B) 1.6
(C) 1.7
(D) 1.75
The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and 2/3rd of the span, is________________?
(A) 1/7
(B) 2/7
(C) 3/7
(D) 2/5
The ratio of moments of inertia of a triangular section about its base and about a centroidal axis parallel to its base, is_________________?
(A) 1.0
(B) 1.5
(C) 2.0
(D) 3.0