For the close coil helical spring of the maximum deflection is__________________?
A. WD3n/d4N
B. 2WD3n/d4N
C. 4W²D3n/d4N
D. 8WD3n/d4N
Theory of Structures
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_______________?
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
P=4²EI/L² is the equation of Euler’s crippling load if________________?
P=4²EI/L² is the equation of Euler’s crippling load if________________?
A. Both the ends are fixed
B. Both the ends are hinged
C. One end is fixed and other end is free
D. One end is fixed and other end is hinged
For calculating the allowable stress of long columns known as_________________?
For calculating the allowable stress of long columns known as_________________?
A. Straight line formula
B. Parabolic formula
C. Perry’s formula
D. Rankine’s formula
A shaft subjected to a bending moment M and a torque T, experiences__________________?
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.
The horizontal thrust on the ends of a two hinged semicircular arch of radius carrying_________________?
The horizontal thrust on the ends of a two hinged semicircular arch of radius carrying_________________?
A. A uniforml 4/3
B. end, is
C. All the above
D. non of these
Slenderness ratio of a long column, is_________________?
Slenderness ratio of a long column, is_________________?
A. Area of cross-section divided by radius of gyration
B. Area of cross-section divided by least radius of gyration
C. Radius of gyration divided by area of cross-section
D. Length of column divided by least radius of gyration
The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is__________________?
The ratio of the stresses produced by a suddenly applied load and by a gradually applied load on a bar, is__________________?
A. 1/4
B. 1/2
C. 1
D. 2
If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span__________________?
If a three hinged parabolic arch, (span l, rise h) is carrying a uniformly distributed load w/unit length over the entire span__________________?
A. Horizontal thrust is wl2/8h
B. S.F. will be zero throughout
C. B.M. will be zero throughout
D. All the above
P = / L² is the equation for Euler’s crippling load if_________________?
P = / L² is the equation for Euler’s crippling load if_________________?
A. Both the ends are fixed
B. Both the ends are hinged
C. One end is fixed and other end is free
D. One end is fixed and other end is hinged