Civil Engineering MCQs

2965 MCQs  (Page 94 of 297)

The forces, which meet at one point, but their lines of action do not lie in a plane, are called______________?
A. Coplanar non-concurrent forces
B. Non-coplanar concurrent forces
C. Non-coplanar non-concurrent forces
D. Intersecting forces
Maximum principal stress theory for the failure of a material at elastic point, is known________________?
A. Guest’s or trecas’ theory
B. St. venant’s theory
C. Rankine’s theory
D. Von mises’ theory
A composite beam is composed of two equal strips one of brass and other of steel. If the temperature is raised___________________?
A. Steel experiences tensile force
B. Brass experiences compressive force
C. Composite beam gets subjected to a couple
D. All the above
Maximum strain theory for the failure of a material at the elastic limit, is known as_______________?
A. Guest’s or trecas’ theory
B. St. venant’s theory
C. Rankine’s theory
D. Haig’s theory
A close coil helical spring when subjected to a moment M having its axis along the axis of the helix_________________?
A. It is subjected to pure bending
B. Its mean diameter will decrease
C. Its number of coils will increase
D. All the above
Maximum shear stress theory for the failure of a material at the elastic limit, is known________________?
A. Guest’s or trecas’ theory
B. St. venant’s theory
C. Rankine’s theory
D. Haig’s theory