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Joining

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

What is the process that involves the fusion of materials?

a)

Mechanical joining

b)

Soldering

c)

Brazing

d)

Arc welding

2.

What type of joint is made using an AC or DC power supply?

a)

Electron beam welding

b)

Resistance welding

c)

Arc welding

d)

Friction welding

3.

What process requires close contact between surfaces?

a)

Electron beam welding

b)

Arc welding

c)

Friction welding

d)

Brazing

4.

Which of the following processes is known for its high cost?

a)

Resistance welding

b)

Electron beam welding

c)

Arc welding

d)

glueing

5.

What safety equipment is needed for oxyacetylene welding?

a)

Latex gloves

b)

Welder's mask

c)

Glasses with dark lenses

d)

Glasses with smoked lenses

6.

What type of welding is used to join dissimilar metals?

a)

Arc welding

b)

Friction welding

c)

Resistance welding

d)

Brazing

7.

What is the minimum temperature for brazing to occur?

a)

200°C

b)

600°C

c)

300°C

d)

450°C

8.

What phenomenon is used in friction welding?

a)

Diffusion

b)

Melting

c)

Radiation

d)

Conduction

9.

What type of welding uses an electric arc to generate heat?

a)

Resistance welding

b)

Electron beam welding

c)

Arc welding

d)

Brazing

10.

What is a disadvantage of arc welding?

a)

Requires less energy

b)

Lower temperature

c)

Degradation of mechanical properties

d)

Does not require protective equipment

11.

What type of welding is performed in a vacuum to prevent oxidation?

a)

Brazing

b)

Arc welding

c)

Electron beam welding

d)

Friction welding

12.

What type of welding is characterized by the capillary action of the filler metal?

a)

Laser welding

b)

Resistance welding

c)

Brazing

d)

Arc welding

13.

What is the main problem that can arise in the quality of a weld?

a)

Easy access

b)

High temperature

c)

Low cost

d)

Porosity

14.

What type of welding is commonly used in the automotive industry?

a)

Resistance welding

b)

Arc welding

c)

Electron beam welding

d)

Brazing

15.

What is formed in the area affected by heat in a welding?

a)

Heat affected zone

b)

Welding metal

c)

Fusion zone

d)

Base metal