150 TOP STRENGTH of MATERIALS Objective Questions & Answers Pdf

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Strength of Materials Objective Questions :-

1. The unit of force in S.I. units is
(a) kilogram
(b) newton
(c) watt
(d) dyne
(e) joule.
Ans: b

2. The unit of work or energy in S.I. units is
(a) newton
(b) pascal
(c) kilogram meter
(d) watt
(e) joule.
Ans: e

3. The unit of power in S.I. units is
(a) newton meter
(b) watt
(c) joule
(d) kilogram meter/sec.
(e) pascal per sec.
Ans: b

4. Forces are called concurrent when their lines of action meet in
(a) one point
(b) two points
(c) plane
(d) perpendicular planes
(e) different planes.
Ans: a

5. Forces are called coplanar when all of them acting on body lie in
(a) one point
(b) one plane
(c) different planes
(d) perpendicular planes
(e) different points.
Ans: b

6. A force acting on a body may
(a) introduce internal stresses
(b) balance the other forces acting on it
(c) retard its motion
(d) change its motion
(e) all of the above.
Ans: e

7. Which is the correct statement about law of polygon of forces ?
(a) if any number of forces acting at a point can be represented by the sides
of a polygon taken in order, then the forces are in equilibrium
(b) if any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon, then the forces are in equilibrium
(c) if a polygon representing forces acting at a point is closed then forces are in equilibrium
(d) if any number of forces acting at a point can be represented in direction and magnitude by the sides of a polygon taken in order, then the forces are in equilibrium
(e) none of the above.
Ans: d

8. Effect of a force on a body depends upon
(a) magnitude
(b) direction
(c) position or line of action
(d) all of the above
(e) none of the above.
Ans: d

9. If a number of forces act simultaneously on
a particle, it is possible
(a) not a replace them by a single force
(b) to replace them by a single force
(c) to replace them by a single force through C.G.
(d) to replace them by a couple
(e) to replace them by a couple and a force.
Ans: b

10. A force is completely defined when we specify
(a) magnitude
(b) direction
(c) point of application
(d) all of the above
(e) none of the above.
Ans: d

Online QUIZ :-

1. A cast iron T section beam is subjected to pure bending. For maximum compressive stress to be three times the maximum tensile stress, centre of gravity of the section from flange side is

 
 
 
 

2. If the depth of a simply supported beam carrying an isolated load at its centre, is doubled, the deflection of the beam at the centre will be changed by a factor of

 
 
 
 

3. The bending moment is maximum on a section where shearing force

 
 
 
 

4. The moment diagram for a cantilever which is subjected to a uniformly distributed load will be a

 
 
 
 

5. If the length of a cantilever carrying an isolated load at its free end is doubled, the deflection of the free end will increase by

 
 
 
 

6. The areas of cross-section of a square beam and a circular beam subjected to equal bending moments, are same

 
 
 
 

7. The stress necessary to initiate yielding, is considerably

 
 
 
 

8. 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

 
 
 
 

9. The effect of arching a beam, is

 
 
 
 

10. For the same height, the bottom width for no tension

 
 
 
 

11. The value of Poisson’s ratio always remains

 
 
 
 

12. 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

 
 
 
 

13. Strain energy of any member may be defined as work done on it

 
 
 
 

14. For a beam having fixed ends, the unknown element of the reactions, is

 
 
 
 

15. A column is said to be of medium size if its slenderness ratio is between

 
 
 
 

16. The phenomenon of slow growth of strain under a steady tensile stress, is called

 
 
 
 

17. When two plates butt together and are riveted with two cover plates with two rows of rivets, the joint is known as

 
 
 
 

18. Hooke’s law states that stress and strain are

 
 
 
 

19. The rise of a parabolic arch at quarter points, is equal to

 
 
 
 

20. Ties are load carrying members of a frame, which are subjected to

 
 
 
 

Question 1 of 20

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STRENGTH of MATERIALS Questions and Answers pdf free download ::

46 thoughts on “150 TOP STRENGTH of MATERIALS Objective Questions & Answers Pdf”

  9. Sir, am Sureshmohan parthasarathy B.E mechanical engineer fresher. I need som interview question and answers. SO, I kindly request you to send the som objectives pdf to below email address (apsureshmohan@gmail.com)

    Reply

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