A Best Way To Crack Gorenment Job Exams

Mechanical Engineering Objective Questions { Strength of Materials }



120.  In a beam, the neutral plane
A. may be its centre
B. passes through the C.G. of the area of cross-section
C. does not change during deformation
D. none of these.
Discuss in Forum

121. A beam is said to be of uniform strength, if
A. B.M. is same throughout the beam
B. deflection is same throughout the beam
C. bending stress is same throughout the beam
D. shear stress is same throughout the beam
Discuss in Forum

122.  The point of contraflexture occurs in
A. cantilever beams only
B. continuous beams only
C. over hanging beams only
D. all types of beams
Discuss in Forum

123. A simply supported beam (1 + 2a) with equal overhangs (a) carries a uniformly distributed load over the whole length, the B.M. changes sign if
A. 1 > 2a
B.1 < 2a
C. 1 = 2a
D. 1 = 4a
Discuss in Forum

124.  In a simply supported beam (1 + 2a) with equal overhangs (a) and carrying a uniformly distributed load over its entire length, B.M. at the middle point of the beam will be zero if
A. / = 2a
B. 1 = 4a
C. < 2a
D.1>a
Discuss in Forum

125. A beam of length L supported on two intermediate rollers carries a uniformly distributed load on its entire length. If sagging B.M. and hogging B.M. of the beam are equal, the length of each overhang, is
A. 0.107 L
B. 0.207 L
C. 0.307 L
D. 0.407 L
Discuss in Forum

126.  Pick up the correct statement from the following :
A. The rate of change of bending moment is equal to rate of shear force
B. The rate of change of shear force is equal to rate of loading
C. neither (a) nor (b)
D. both (a) and (b).
Discuss in Forum

Page 18 of 25

« 16 17  18  1920 »