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.Management Sciences
Category: Strength of Materials
A flywheel on a motor goes from rest to 1000 rpm in 6 sec. The number of revolutions made is nearly equal to_________________?
A. 25
B. 50
C. 100
D. 250
E. 500
The stress at which extension of the material takes place more quickly as compared to the increase in load is called______________?
A. elastic point of the material
B. plastic point of the material
C. breaking point of the material
D. yielding point of the material
E. ultimate point of the material
A non-yielding support implies that the_________________?
A. support is frictionless
B. support can take any amount of reaction
C. support holds member firmly
D. slope of the beam at the support is zero
E. none of the above
Flow stress corresponds to___________________?
A. fluids in motion
B. breaking point
C. plastic deformation of solids
D. rupture stress
E. none of the above
The distance between the centres of the rivets in adjacent rows of zig-zag riveted joint is known as ____________________?
A. pitch
B. back pitch
C. diagonal pitch
D. diametral pitch
E. lap
The Young’s modulus of a wire is defined as the stress which will increase the length of wire compared to its original length________________?
A. half
B. same amount
C. double
D. one-fourth
E. four times
A key is subjected to side pressure as well at shearing forces. These pressures are called_________________?
A. bearing stresses
B. fatigue stresses
C. crushing stresses
D. resultant stresses
E. none of the above
Young’s modulus is defined as the ratio of ___________________?
A. volumetric stress and volumetric strain
B. lateral stress and lateral strain
C. longitudinal stress and longitudinal strain
D. shear stress to shear strain
E. longitudinal stress and lateral strain
Dynamic friction as compared to static friction is __________________?
A. same
B. more
C. less
D. may be less of more depending on nature of surfaces and velocity
E. has no correlation
When two plates are butt together and riveted with cover plates with two rows of rivets, the joi;it is known as ___________________?
A. lap point
B. butt joint
C. single riveted single cover butt joint
D. double riveted double cover butt joint
E. single riveted double cover butt joint
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