engineering materials objective type questions 

ENGINEERING MATERIALS

Mechanical Engineering Multiple choice Questions Answers

“ENGINEERING MATERIALS”

Mechanical Engineering MCQS

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ENGINEERING MATERIALS Questions Answers

1. Ductility of a material can be defined as
   (a) ability to undergo large permanent deformations in compression
   (b) ability to recover its original form
   (c) ability to undergo large permanent deformations in tension
   (d) all of the above
   (e) none of the above.
   Ans: c
2. Malleability of a material can be defined as
   (a) ability to undergo large permanent deformations in compression
   (b) ability to recover its original form
   (c) ability to undergo large permanent deformations in tension
   (d) all of the above
   (e) none of the above.
   Ans: a
3. In compression, a prism of brittle material will break
   (a) by forming a bulge (l>) by shearing along oblique plane
   (c) in direction perpendicular to application of load
   (d) by crushing into thousands of pieces
   (e) none of the above.
   Ans: b
4. The ability of a material to resist softening at high temperature is known as
   (a) creep
   (b) hot tempering
   (c) hot hardness
   (d) fatigue
   (e) superhardening.
   Ans: c
5. Mild steel belongs to the following category
   (a) low carbon steel
   (b) medium carbon steel
   (c) high carbon steel
   (d) alloy steel
   (e) special steel.
   Ans: a

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195. Lead is poured into the joint between two pipes. These pipes may be made of
(a) cast iron
(b) vitrified clay
(c) asbestos cement
(d) concrete
(e) mild steel.
Ans: a

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