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Painting Metal Surfaces

Total questions: 19

Worksheet time: 13mins

Name
Class
Date
1.

Which of these metals is Non-ferrous?

a)

Cast Iron

b)

Copper

c)

Mild Steel

d)

Wrought Iron

2.

Define the term Ferrous

a)

Metals that contain Iron

b)

Metals that do not contain Iron

c)

Metals that contain Copper

d)

Metals that do not contain Copper

3.

The surface corrosion of ferrous metals is

a)

A Galvanic Action

b)

A Protective Process

c)

A Sacrificial Process

d)

A Destructive Process

4.

Which of these metals requires to be washed with Mordant solution prior to painting

a)

Aluminium

b)

Galvanised Steel

c)

Cast Iron

d)

Galvanised Iron

5.

What Colour does Copper turn due to weathering

a)

Green

b)

Blue

c)

Orange

d)

Black

6.

What colour does Iron turn when exposed to moisture

a)

Black

b)

Green

c)

Red-Brown

d)

Black-Green

7.

Mill Scale is which?

a)

Sacrificial

b)

Destructive

c)

Magic

d)

Protective

8.

What "In the tin" defects can metal based primers be most prone to?

a)

Settling

b)

Livering

c)

Skinning

d)

Blooming

9.

Which paints can only be used with a special licence due to toxicity.

a)

Zinc Phosphate

b)

Zinc Chromate

c)

Calcium Plumbate

d)

Red Lead

10.

Micaceous Iron Oxide is best suited to priming

a)

Copper Water Pipes

b)

Roughcast Walls

c)

Cast Iron Lamp Poles

d)

Plastic Rhone Pipes

11.

Which primer would be best suited to painting of cast iron gutters?

a)

Black Bitumen Paint

b)

Zinc Phosphate

c)

Micaceous Iron Oxide

d)

Water Based Metal Primer

12.

When painting over bitumen paint what material should be used prior to finishing?

a)

Alkyd Undercoat

b)

Acrylic Undercoat

c)

Aluminium Wood Primer

d)

Zinc Rich Primer

13.

Cold Galvanising is part of the protective process of which type of paint?

a)

Zinc Chromate

b)

Zinc Phosphate

c)

Zinc Rich

d)

M.I.O.

14.

Etch Primers improve adhesion by

a)

Staying sticky, even when cured.

b)

Never properly curing through.

c)

Chemically bonding with the next coat.

d)

Biting into the surface to provide a key.

15.

An alternative system for painting copper pipes is to........?

a)

Sand with Steel wool, then 1 of U/C and 1 of Alkyd Gloss

b)

Abrade using Steel wool, then apply 2 coats of Alkyd Gloss

c)

Abrade using Steel wool, then 2 coats of Acrylic Gloss

d)

Abrade using Garnet Paper, then 2 coats of Acrylic Gloss

16.

What is the process of surface corrosion in ferrous metals?

a)

Formation of rust or iron oxide

b)

Formation of aluminum oxide

c)

Formation of copper oxide

d)

Carbonation of the metal surface

17.

Explain the term Ferrous.

a)

Any metal that contains iron

b)

Any metal that contains copper

c)

Any metal that contains aluminum

d)

Any metal that contains zinc

18.

What is the best use of Micaceous Iron Oxide?

a)

Rust prevention for wooden furniture

b)

Insulation material for electrical wires

c)

Food additive for enhancing color

d)

Protective coating for steel structures

19.

Organise the metals into ferrous and non-ferrous

Categorize the following

Copper

Zinc

Tin

Lead

Aluminium

Wrought Iron

Cast Iron

Mild Steel

Cold Rolled Steel

Galvanized Steel

Sheradized Steel

Ferrous
Non-ferrous
Ferrous Metal Coated with a Non-ferrous