Manufacturing Engineering

Question 1

1Tensile strength is the maximum

Easy

A. pulling force a material can withstand before breaking B. weight C. temperature D. pressing force

Question 2

2Strain is calculated as

Hard

A. change in length ÷ original length B. length × force C. force ÷ area D. area ÷ length

Question 3

3Hardness can be tested by

Medium

A. heating B. indentation tests such as Brinell C. weighing D. measuring length

Question 4

4Toughness is the ability of a material to

Easy

A. conduct electricity B. reflect light C. resist corrosion D. absorb energy without breaking

Question 5

5The point beyond which a material will not return to its original shape is its

Easy

A. hardness B. elastic limit C. melting point D. density

Question 6

6Brittleness means a material

Easy

A. stretches a lot B. breaks easily without bending C. absorbs shocks D. bends easily

Question 7

7Elasticity is the ability of a material to

Easy

A. melt quickly B. return to its original shape after loading C. break easily D. rust

Question 8

8Malleability is the ability to be

Easy

A. hammered or rolled into sheets B. drawn into wire C. dissolved D. magnetised

Question 9

9Failure of a part after many repeated cycles of loading, even below its breaking strength, is

Medium

A. corrosion B. creep at room temperature only C. fatigue failure D. melting

Question 10

10A material that undergoes large plastic deformation before fracture is

Hard

A. elastic only B. hard C. brittle D. ductile