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.Management Sciences
Category: Theory of Structures
y/n) (1 – a l/r), is For calculating the allowable stress of long columns. The empirical formula 0 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. Maximum bending stress = 32M d3
B. Maximum shear stress = 16 T d3
C. Both A. and B.
D. Neither A. nor B.
The moment of inertia of a circular section about any diameter D, is______________?
A. /64
B. 4/32
C. 3/64
D. 4/64
The load on a spring per unit deflection, is called______________?
A. Stiffness
B. Proof resilience
C. Proof stress
D. Proof load
The stiffness of the close coil helical spring is_________________?
A. d4N/8D3n
B. d4N/4D3n
C. 4D3N/d4n
D. 8D3N/d4n
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 greatest load which a spring can carry without getting permanently distorted, is called_________________?
A. Stiffness
B. Proof resilience
C. Proof stress
D. Proof load
Pick up the correct statement from the following?
A. For channels, the shear centre does not coincide its centroid
B. The point of intersection of the bending axis with the cross section of the beam, is called shear centre
C. For I sections, the shear centre coincides with the centroid of the cross section of the beam
D. All the above
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