101. A linear arch has normal thrust only
102. A three hinged arch is carrying uniformly distributed load over the entire span. The arch is free from shear force and bending moment if its shape is
parabolic
103. For a determinate pin-jointed plane frame, the relation between the number of joints j and members m is given by m = 2j - 3
104. In the pin-jointed plane frame shown in Fig. 10.5, the force in the member BD is
zero
105. The basic perfect frame is a triangle
106. Method of joints is applicable only when the number of unknown forces at the joint under consideration is not more than two
107. Force in the member AD of the pin jointed frame shown in Fig. 10.6 is
zero
108. The rigid-jointed plane frame shown in Fig will
sway to right
109.A hollow shaft will transmit_________ power than a solid shaft of same weight and material more
110.The stiffness of a helical spring is expressed as load per unit deflection
111.The ratio of maximum shear stress deve loped in a solid shaft of diameter D and a hollow shaft of external diameter D and internal diameter d for the same torque is given by
112.If a shaft of diameter d is subjected to a torque, T, the maximum shear stress is
16T/πd³
113.In a rectangular shaft subjected to torsion, the maximum shear stress occurs at
middle of longer side
114.A solid circular shaft of 6m length is built in at its ends and subjected to an
externally applied torque 60 kN-m at a distance of 2 mfromleft end. The reactive
torques at the left end and the right end are respectively
40 kN.m and 20 kN.m
115.The ratio of strain energy stored by a hollow shaft of external diameter D and
internal diameter d and strain energy stored by a solid shaft of diameter D is
(D²+d²)/D²
116.If the internal radius of a hollow shaft is n times the external radius, then ratio of torques carried by the hollow shaft and solid shaft of same cross-sectional area
and subjected to the same maximum shearing stress is
117. If a circular shaft is subjected to a torque T and bending moment M, the ratio of maximum bending stress and maximum shear stress is 2M/T
118.If a shaft of diameter d is subjected to a torque T and a bending moment M, the maximum shear stress is
119. The radius of gyration of a circle of radius R is equal to R/2
120. A masonry pier ABCD as shown in Fig. 10.8 supports a vertical load W at a point P. The nature of bending stresses at A due to eccentricity of load about x-x axis and y-y respectively are
compressive and tensile
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