Mechanical Engineering Questions And Answers :: Strength Of Materials: part1



Mechanical Engineering : Strength Of Materials QUESTIONS AND ANSWERS :: part1 : 11 to 15

Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2014 and IES 2014 examinations :

11.The value of modulus of elasticity for mild steel is of the order of

2.1xl05 kg/cm2
2.1 X 106 kg/cm2
2.1 x 107 kg/cm2
0.1 xlO6 kg/cm2 (
opt 5

12.Deformation per unit length in the direction of force is known as

strain
lateral strain
linear strain
linear stress
unit strain.

13.A thin mild steel wire is loaded by adding loads in equal increments till it breaks. The extensions noted with increasing loads will behave as under

uniform throughout
increase uniformly
first increase and then decrease
increase uniformly first and then in-crease rapidly
increase rapidly first and then uniformly.

14.The unit of Young's modulus is

mm/mm
kg/cm
kg
kg/cm2
kg cm2.

15.Which of the following materials is most elastic

rubber
plastic
brass
steel
glass.

More Strength Of Materials QUESTIONS AND ANSWERS available in next pages

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