A. It is subjected to pure bending
B. Its mean diameter will decrease
C. Its number of coils will increase
D. All the above
Related Mcqs:
- A close coil helical spring of mean diameter D consists of n coils of diameter d. If it carries an axial load W, the energy stored in the spring, is______________?
A. 4WD²n/d4N
B. 4W²Dn/d4N
C. 4W²D3n/d4N
D. 4W²D3n²/d4N - The stiffness of the close coil helical spring is_________________?
A. d4N/8D3n
B. d4N/4D3n
C. 4D3N/d4n
D. 8D3N/d4n - For the close coil helical spring of the maximum deflection is__________________?
A. WD3n/d4N
B. 2WD3n/d4N
C. 4W²D3n/d4N
D. 8WD3n/d4N - 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 = E/Y
D. M/I = E/R = Y/F - inertia of a rectangular section of width and depth about an axis passing The moment of through C.G. and parallel to its width is_______________?
A. BD²/6
B. BD3/6
C. BD3/12
D. B²D/6 - A cantilever of length is subjected to a bending moment at its free end. If EI is the flexural rigidity of the section, the deflection of the free end, is_________________?
A. ML/EI
B. ML/2EI
C. ML²/2EI
D. ML²/3EI - The strain energy stored in a spring when subjected to greatest load without being permanently distorted, is called______________?
A. Stiffness
B. Proof resilience
C. Proof stress
D. Proof load - The yield moment of a cross section is defined as the moment that will just produce the yield stress in_________________?
A. The outer most fibre of the section
B. The inner most fibre of the section
C. The neutral fibre of the section
D. The fibre everywhere - The locus of the moment of inertia about inclined axes to the principal axis, is______________?
A. Straight line
B. Parabola
C. Circle
D. Ellipse - A shaft subjected to a bending moment M and a torque T, experiences__________________?
A. Maximum bending stress = 32M d3
B. Maximum shear stress = 16 T d3
C. Both A. and B.
D. Neither A. nor B.
