Theory of Structures

A. Depth d M
B. Depth d 3
C. Depth d
D. Depth d 1/M

A. Straight line formula
B. Parabolic formula
C. Perry’s formula
D. Rankine’s formula

A. l/4
B. h/4
C. l
D. l

A. 5t tension
B. 4t tension
C. 4t compression
D. 5t compression

A. WI/2
B. WI²/4
C. WI²/8
D. WI²/12

A. Depth of the section
B. Depth of the neutral axis
C. Maximum tensile stress at the section
D. Maximum compressive stress at the section

A. A wire wound in spiral form, is called a helical spring
B. The pitch of a close coil spring, is very small
C. The angle made by the coil with horizontal, is called the angle of helix
D. All the above

A. 1
B. 1.25
C. 1.5
D. 2.5

A. 264 MN
B. 274 MN
C. 284 MN
D. 294 MN

A. It regains its original shape on removal of the load
B. It regains its original shape partially on removal of the load
C. It does not regain its original shape at all
D. None of these