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.Management Sciences
Category: Strength of Materials
The value of Poisson’s ratio for steel is between_________________?
A. 0.01 to 0.1
B. 0.23 to 0.27
C. 0.25 to 0.33
D. 0.4 to 0.6
E. 3 to 4
A body moves, from rest with a constant acceleration of 5 m per sec. The distance covered in 5 sec is most nearly_______________?
A. 38 m
B. 62.5 m
C. 96 m
D. 124 m
E. 240 m
The ratio of lateral strain to the linear strain within elastic limit is known as_______________?
A. Young’s modulus
B. bulk modulus
C. modulus of rigidity
D. modulus of elasticity
E. Poisson’s ratio
The stress developed in a material at breaking point in extension is called_________________?
A. breaking stress
B. fracture stress
C. yield point stress
D. ultimate tensile stress
E. proof stress
A cylindrical section having no joint is known as ____________________?
A. jointless section
B. homogeneous section
C. perfect section
D. manufactured section
E. seamless section
The percentage reduction in area of a cast iron specimen during tensile test would be of the order of_________________?
A. more than 50%
B. 25—50%
C. 10—25%
D. 5—10%
E. negligible
For which material the Poisson’s ratio is more than unity_________________?
A. steel
B. copper
C. aluminium
D. cast iron
E. none of the above
It equal and opposite forces applied to a body tend to elongate it, the stress so produced is called______________________?
A. internal resistanpe
B. tensile stress
C. transverse stress
D. compressive stress
E. working stress
Hooke’s law holds good up to____________________?
A. yield point
B. limit of proportionality
C. breaking point
D. elastic limit
E. plastic limit
The impact strength of a material is an index of its ___________________?
A. toughness
B. tensile strength
C. capability of being cold worked
D. hardness
E. fatigue strength
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