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.Management Sciences
Category: Theory of Structures
Gradually applied static loads do not change with time their_______________?
0
A. Magnitude
B. Direction
C. Point of application
D. All the above
The locus of the moment of inertia about inclined axes to the principal axis, is______________?
A. Straight line
B. Parabola
C. Circle
D. Ellipse
The force in BF of the truss shown in given figure, is_______________?
A. 4t tension
B. 4t compression
C. 4.5t tension
D. 4.5t compression
For calculating the permissible stress 0 y /[(1 + a(l/r)²] is the empirical formula, known as__________________?
A. Straight line formula
B. Parabolic formula
C. Perry’s formula
D. Rankine’s formula
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
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
A simply supported rolled steel joist 8 m long carries a uniformly distributed load over it span so that the maximum bending stress is 75 N/mm². If the slope at the ends is 0.005 radian and the value of E = 0.2 × 106 N/mm2, the depth of the joist, is________________?
A. 200 mm
B. 250 mm
C. 300 mm
D. 400 mm
If and are external and internal diameters of a circular shaft respectively, its polar moment of inertia, is________________?
A. D4 – d4)
B. D4 – d4)
C. D4 – d4)
D. D4 – d4)
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