Mechanical Engineering - Engineering Materials

26.
The malleability is the property of a material due to which it can be rolled or hammered into thin sheets.
Agree
Disagree
Answer: Option
Explanation:
No answer description is available. Let's discuss.

27.
The process of inducing carbon to __________ carbon steels in order to give it a hard surface is known as carburising.
low
medium
high
Answer: Option
Explanation:
No answer description is available. Let's discuss.

28.
Which of the following solids are malleable and ductile?
Ionic solids
Covalent solids
Metallic solids
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

29.
The delta-iron possesses a body centred cubic space lattice.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.

30.
Thermosetting plastics are those materials which
are formed into shape under heat and pressure and results in a permanently hard product
do not become hard with the application of heat and pressure and no chemical change occurs
are flexible and can withstand considerable wear under suitable conditions
are used as a friction lining for clutches and brakes
Answer: Option
Explanation:
No answer description is available. Let's discuss.