Applied Technology

Question 1

1Cold working of metals increases

Hard

A. softness B. ductility only C. grain size D. hardness and strength but reduces ductility

Question 2

2Extrusion pushes metal through a die to make

Easy

A. long shapes with a constant cross-section B. flat sheets C. spheres D. powders

Question 3

3Forging improves the strength of metal parts because it

Medium

A. refines and aligns the grain structure B. makes them hollow C. melts them D. adds carbon

Question 4

4Drawing pulls metal through a die to make

Easy

A. sheets B. blocks C. wire D. castings

Question 5

5Which tool is used to bend sheet metal along a straight line?

Easy

A. centre punch B. file C. folding machine (bending bars) D. hacksaw

Question 6

6Forging improves metal strength by

Easy

A. melting it completely B. adding paint C. cooling it slowly only D. refining the grain structure

Question 7

7Pressing sheet metal into shape with a die is

Easy

A. turning B. welding C. casting D. stamping

Question 8

8Rolling metal between rollers produces

Easy

A. powders B. sheets and plates C. wires only D. castings

Question 9

9Passing hot metal between heavy rollers to make it thinner is

Easy

A. welding B. casting C. drilling D. rolling