1) For the same height, the bottom width for no tension,
A. for triangular section is more than rectangular section
B. for rectangular section is more than triangular section
C. for triangular section is same as that of a rectangular section
D. none of these.
Answer:C
2) The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same.
A. circular beam is more economical
B. square beam is more economical
C. both the beams are equally strong
D. both the beams are equally economical
E. none of these.
Answer: B
3) The moment diagram for a cantilever which is subjected to a uniformly distributed load will be a
A. triangle
B. rectangle
C. parabola
D. cubic parabola.
Answer: C
4) When two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as
A. lap joint
B. butt join
C. single riveted single cover butt joint
D. double riveted double cover butt joint.
Answer: D
5) A beam is said to be of uniform strength, if
A. B.M. is same throughout the beam
B. shear stress is same throughout the beam
C. deflection is same throughout the beam
D. bending stress is same at every section along its longitudinal axis.
Answer: D
6) For a beam, if fundamental equations of statics are not sufficient to determine all the reactive forces at the supports, the structure is said to be
A. determinate
B. statically determinate
C. statically indeterminate
D. none of these.
Answer: C
7) The moment diagram for a cantilever carrying linearly varying load from zero at its free end and to maximum at the fixed end will be a
A. triangle
B. rectangle
C. parabola
D. cubic parabola.
Answer: D
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