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WorksheetsYear 9 TD Quiz
Total questions: 56
Worksheet time: 28mins
Name
Class
Date
1.
A red sign with a diagonal line. What does this type of sign indicate?
a)
Mandatory action
b)
Emergency exit
c)
Prohibition
d)
Hazard warning
2.
Refer to the blue circle sign in the image. What action must be taken?
a)
Do not enter
b)
Wear safety goggles
c)
Beware of high voltage
d)
Emergency exit
3.
Observe the yellow triangle in the image. What type of sign is this?
a)
Prohibition sign
b)
Mandatory sign
c)
Emergency exit sign
d)
Hazard warning sign
4.
Examine the green rectangle sign in the image. What does this sign communicate?
a)
Prohibition
b)
Hazard warning
c)
Safe condition (Emergency exit)
d)
Mandatory action
5.
What color and shape are prohibition signs?
a)
Blue circle
b)
Green rectangle
c)
Red circle with a line through it
d)
Yellow triangle
6.
Which of the following is an example of a mandatory sign?
a)
Do not run
b)
Wear eye protection
c)
Fire exit
d)
High voltage
7.
Emergency signs are usually:
a)
Yellow triangles
b)
Green rectangles
c)
Blue circles
d)
Red diamonds
8.
Which type of sign is used to warn of hazards?
a)
Red diamond
b)
Green rectangle
c)
Yellow triangle
d)
Blue circle
9.
What is the shape of a sign that indicates emergency procedures, such as fire exits?
a)
Circle
b)
Triangle
c)
Rectangle
d)
Diamond
10.
A red diamond with a white background is used to indicate:
a)
A hazard
b)
An emergency
c)
A mandatory action
d)
A prohibition
11.
A blue sign with a white symbol typically indicates:
a)
A warning
b)
An emergency
c)
A mandatory action
d)
A prohibition
12.
What sign color is used for fire exits and other emergency-related information?
a)
Red
b)
Green
c)
Blue
d)
Yellow
13.
Which sign is used to show a warning for high voltage?
a)
Blue circle
b)
Green rectangle
c)
Red diamond
d)
Yellow triangle
14.
What is the meaning of a sign that is red with a diagonal line through it?
a)
Mandatory action
b)
Hazard warning
c)
Prohibition
d)
Safe condition
15.
What is the main difference between thermoplastics and thermosetting plastics?
a)
Thermoplastics can only be shaped once
b)
Thermoplastics can be reshaped multiple times
c)
Thermosetting plastics can be recycled
d)
Thermosetting plastics are better for the environment
16.
Which of the following is a non-ferrous metal?
a)
Mild steel
b)
Brass
c)
Tool steel
d)
Cast iron
17.
Why are thermoplastics commonly used for recycling?
a)
They can only be shaped once
b)
They are biodegradable
c)
They can be reheated and reshaped multiple times
d)
They are stronger than thermosetting plastics
18.
Which type of plastic cannot be reshaped after forming?
a)
Acrylic
b)
Polystyrene
c)
Thermoplastic
d)
Thermosetting
19.
Which of the following is a hardwood?
a)
Pine
b)
Cedar
c)
Oak
d)
Spruce
20.
What safety precaution should you follow when using a strip heater?
a)
Wear gloves only
b)
Work with a partner
c)
Do not touch the plastic while it's hot
d)
Use a hammer to shape the plastic
21.
Melamine is an example of what type of material?
a)
Thermoplastic
b)
Thermosetting plastic
c)
Ferrous metal
d)
Non-ferrous metal
22.
Which of the following is a manufactured board?
a)
Oak
b)
Beech
c)
Plywood
d)
Aluminium
23.
What is the primary characteristic of MDF (Medium Density Fiberboard)?
a)
It is a natural hardwood
b)
It is a type of softwood
c)
It is a type of manufactured board
d)
It is a non-ferrous metal
24.
What is the flow of electricity in a circuit called?
a)
Resistance
b)
Voltage
c)
Current
d)
Power
25.
What unit is resistance measured in?
a)
Volts
b)
Amps
c)
Ohms
d)
Watts
26.
What is the purpose of a resistor in a circuit?
a)
To increase the flow of electricity
b)
To slow down or limit the flow of electricity
c)
To store electrical charge
d)
To switch the circuit on and off
27.
Which component is used to emit light when a current passes through it?
a)
Capacitor
b)
Resistor
c)
LED (Light Emitting Diode)
d)
Transistor
28.
What is the fourth band on a resistor used to indicate?
a)
The resistor's tolerance
b)
The resistor's wattage
c)
The resistor's resistance value
d)
The resistor's current rating
29.
Which component is used to connect electronic components by melting and bonding metal?
a)
Resistor
b)
Capacitor
c)
Transistor
d)
Solder
30.
What is a variable resistor also known as?
a)
Dimmer switch
b)
Light switch
c)
Capacitor
d)
LED
31.
Name the tool used for removing insulation plastic from a wire?
a)
Snips
b)
Wire strippers
c)
Third Hand
d)
Long nose plyers
32.
What electronic symbol is shown?
a)
Transistor
b)
Variable resistor
c)
LED
d)
LDR
33.
What is the primary function of a vacuum forming machine?
a)
Cutting materials
b)
Shaping plastic
c)
Drilling holes
d)
Polishing surfaces
34.
Which material is typically shaped using this machine?
a)
Wood
b)
High impact polystyrene (HIPS)
c)
Metal
d)
Glass
35.
What must you do before placing the plastic sheet in the vacuum former?
a)
Clean the sheet
b)
Measure the thickness
c)
Check the mold
d)
Turn on the heater
36.
Why is it important to preheat the plastic sheet before forming?
a)
To avoid cracks
b)
To ensure even shaping
c)
To soften the plastic for molding
d)
To dry the plastic
37.
What should be placed in the vacuum former before the plastic sheet?
a)
The mold
b)
The heating element
c)
A release agent
d)
A plastic protector
38.
What is the purpose of the vacuum in vacuum forming?
a)
To heat the plastic
b)
To cool the plastic
c)
To remove air from under the plastic
d)
To stretch the plastic
39.
How do you know when the plastic sheet is ready for forming?
a)
When it starts to wrinkle
b)
When it changes color
c)
When it sags in the frame
d)
When it melts
40.
What should you do if the plastic doesn't form correctly around the mold?
a)
Stop the process and reset the machine
b)
Reheat the plastic sheet
c)
Adjust the vacuum pressure
d)
Switch off the machine
41.
Why is it important to wait for the plastic to cool before removing it?
a)
To prevent it from breaking
b)
To avoid burns
c)
To make it flexible
d)
So it retains its shape
42.
What is the role of the clamping frame in vacuum forming?
a)
To secure the plastic sheet
b)
To apply heat to the plastic
c)
To remove the air under the plastic
d)
To maintain the vacuum
43.
How do you avoid trapping air bubbles during the forming process?
a)
By adjusting the temperature
b)
By applying even pressure
c)
By holding the mold steady
d)
By using less heat
44.
What should you do if the vacuum former makes unusual noises?
a)
Ignore it and continue
b)
Stop and inspect
c)
Tighten all screws
d)
Report to a technician
45.
How should the vacuum former be cleaned after use?
a)
By wiping it with water
b)
By using compressed air
c)
By soaking it in solvent
d)
By brushing it with a soft brush
46.
What is the primary function of the Gerbil Trimmer?
a)
Polishing surfaces
b)
Cutting plastic
c)
Drilling holes
d)
Bending plastic
47.
What must you check before using the trimmer?
a)
Ensure the machine is plugged in
b)
Check the blade condition
c)
Check the safety guards
d)
Inspect the power cord
48.
Why is it important to use a trimmer after vacuum forming?
a)
To smooth sharp edges
b)
To create a uniform finish
c)
To reduce the thickness
d)
To enhance flexibility
49.
What safety equipment should be worn when using the Gerbil Trimmer?
a)
Safety goggles
b)
Dust mask
c)
Ear protection
d)
Gloves
50.
How should the workpiece be held when trimming?
a)
With loose grip
b)
With both hands
c)
With moderate pressure
d)
With one hand only
51.
Why should loose clothing and jewelry be avoided when using the trimmer?
a)
To prevent it from getting caught in the machine
b)
To prevent it from obstructing your work
c)
To keep the workspace clean
d)
To keep it from getting damaged
52.
What speed setting is typically used for trimming HIPS?
a)
Low speed
b)
High speed
c)
Medium speed
d)
Max speed
53.
What is the purpose of the red emergency stop button?
a)
To stop the machine quickly
b)
To turn off the machine
c)
To reset the machine
d)
To speed up the process
54.
How should the Gerbil Trimmer be turned off after use?
a)
By pulling the power plug
b)
Press the stop button
c)
Switch off at the main power
d)
Let it stop on its own
55.
What should you do if the machine makes unusual noises during operation?
a)
Ignore it and continue
b)
Stop and inspect
c)
Tighten all screws
d)
Report to a technician
56.
How should the Gerbil Trimmer be cleaned and maintained after use?
a)
By using water to clean it
b)
By using compressed air
c)
By wiping it with a dry cloth
d)
By brushing off debris
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