Theory of Structures

If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (f /N)s__________________?

by
If the strain energy stored per unit volume in a hollow shaft subjected to a pure torque when t attains maximum shear stress fs the ratio of inner diameter to outer diameter, is 17/64 (f /N)s__________________?

A. 1/2
B. 1/3
C. 1/4
D. 1/5

A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be________________?

by
A rolled steel joist is simply supported at its ends and carries a uniformly distributed load which causes a maximum deflection of 10 mm and slope at the ends of 0.002 radian. The length of the joist will be________________?

A. 10 m
B. 12 m
C. 14 m
D. 16 m

A simply supported beam carries a varying load from zero at one end and w at the other end. If the length of the beam is a, the shear force will be zero at a distance x from least loaded point where x is_________________?

by
A simply supported beam carries a varying load from zero at one end and w at the other end. If the length of the beam is a, the shear force will be zero at a distance x from least loaded point where x is_________________?

A. a/2
B. a/3
C. a(Correct)
D. a

 

A rectangular column shown in the given figure carries a load P having eccentricities ex and ey along X and Y axes. The stress at any point (x, y) is_______________?

by
A rectangular column shown in the given figure carries a load P having eccentricities ex and ey along X and Y axes. The stress at any point (x, y) is_______________?

A. (p/bd) [1 + (12ey. y/d²) + (12ex. x/d²)](Correct)
B. p [1 + (6ey. y/b) + (6ex. x/ b)]
C. (p/bd) [1 + (6ey. y/d) + (6ex. x/b)]
D. (p/bd) [1 + (ey. y/d) + ( ex. x/d)]