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WorksheetsInd.Tech 2.0-revision test
Total questions: 40
Worksheet time: 34mins
Define Plastic?
a solid lustrous substance
a hard fibrous organic material
synthetic materials that are manufactured from a wide range of organic polymers
a mixture of dark bituminous pitch with sand or gravel
Which of the following is NOT a property of Metals?
light in weight
ductile
good insulator
malleable
Which of the following explains what the term Tensile strength of a material means?
The ability of a material to allow heat or
electricity to flow through it.
The ability of a material to be bent into new
shape.
The resistance of a material to breaking under tension
The ability of a material to withstand plastic
deformation or scratch
Which element do Ferrous metals contain?
Iron
Copper
Lead
Gold
Which is NOT a property of metals?
Hardness
Malleability
Ductility
Elasticity
Electrical Insulator
Ferrous metals contain iron and never rust
True
False
Which statement is true about metals that are ductile?
The ability to block the flow of electricity
The ability of a material to be stretched into a
firm diameter without breaking.
The ability of a material to be bent into new
shape.
The ability of a material to allow heat or
electricity to flow through it.
Which two (2) of the following are Non-Ferrous Metals?
Stainless Steel
Tin
Copper
Low Carbon Steel
Which two(2) of the following are Ferrous Metals?
Cast Iron
Aluminum
High Carbon Steel
Zinc
Which is TRUE about the uses of the Ash Tree?
It is useful for making musical instruments
It is used for craftwork
It is used for making furniture and boats
It is used for making paneling and tool handles
Which statement is TRUE about the Beech tree?
It is used in making posts and boats
It is used for cutlery handles
It is used for making wood strips
It is used for making tool handles
Which two(2) of the following are true about plastic?
it is water resistant
it is a good conductor of electricity
it is corrosion resistant
it is malleable
Plastics are divided into ___ groups.
2
3
4
5
Identify the group of plastics that soften when heated, harden when cooled and can be reshaped if heat is reapplied.
(a)
Identify the group of plastics that hardens under pressure, is permanently set and cannot be reshaped.
(a)
Identify TWO (2) the properties of plastics.
Combustible
Light weight
Produce toxic fumes
Corrosive
Corrosion resistant
Identify ALL three(3) the properties of plastics.
works well at low and high humidity,
in cold and hot temperature.
Lightweight
good conductor of heat and electricity
malleable
low density
Select the two (2) main types of Metal?
Iron
Aluminium
Ferrous
Non Ferrous
A mixture of metals is called an (a) .
What is the current in an electric circuit?
The energy of the circuit
The flow of electrons in the circuit
The power of the circuit
What unit of measure is for resistance?
ohms
ampere
voltage
watts
If there is a current of 2A and a resistance of 24 ohms, what voltage will there be?
26 V
48 V
12 V
22 V
If a toaster produces 12 ohms of resistance in a 120-volt circuit, what is the amount of current in the circuit?
5A
10A
15A
20A
What is the name of this drawing instrument?
L Square
T Square
Ruler
Carpenter's Square
What is the name of this drawing instrument?
Triangle
French Curve
Pencil
Compass
It is used to draw horizontal line.
T Square
30x60 triangle
Protractor
Divider
It is used to measure angles.
Triangle
Ruler
Divider
Protractor
What is it called??
Protractor
The 45
The 60
Graduated ruler
The image shown is a ?
rhombus
square
rectangle
parallelogram
Which element do Ferrous metals contain?
Iron
Copper
Lead
Gold
1. Select the correct answer.
What is the name of this polygon?
pentagon
hexagon
square
rectangle
8. Select true or false.
An isosceles triangle has two equal sides.
false
true
