30 Questions
What is the main purpose of RED signs in a workshop?
All of the above
What does CAM stand for in the context of engineering?
Computer Aided Manufacture
What is the main topic of the section starting from page 2 in the notes?
Metal Fabrication Processes
What is the name of the electronic component introduced on page 25 of the notes?
LM741
What is the term for joining metals using heat?
Soldering and Brazing
What is the topic of the section between PLASTICS and TEXTILES in the notes?
METALLIC ALLOYS
What is the primary purpose of combining two or more materials to produce a composite material?
To improve the strength and durability of the material
Which of the following materials is known for its heat resistance and is often used in helmets and bulletproof vests?
Kevlar
What is the primary advantage of using knock down joints in wooden furniture?
They can be easily dismantled and reassembled
What is the term for the process of combining wood pulp to create a new material?
Modified Cellulose
Which of the following composite materials is often used in boat building and water slides?
GRP
What is the primary characteristic of 3D printed parts?
They can be made to exact specifications
What is a characteristic of the NOT gate?
It sends an output to the blinds when it doesn’t receive an input signal.
What is the advantage of using CAD software?
It enables the creation of detailed and easily understandable drawings.
What is the purpose of CAM software?
To command CNC machines.
What is the advantage of soft copy drawings over hard copy drawings?
They are easily distributed online and can be enlarged.
What is the term for automated machines that use CAM software?
CNC machines.
What is the purpose of integrated circuits?
To have multiple gates connected together in a small space.
What is the primary function of struts in trusses?
To withstand compression loads
What is the shape of a cam typically?
An odd round shape
What is the purpose of a cam mechanism?
To change rotary to reciprocating movement
What is a characteristic of a Flat follower?
Large surface area
What is a characteristic of a Knife follower?
Small surface area
What is one complete rotation of a cam?
One cycle
What is the unit of measurement for capacitance?
Farads
Which type of capacitors are polarized?
Electrolytic and tantalum
What is the formula to calculate the time constant of a capacitor?
Time = Resistance x Capacitance
What is the time constant of a capacitor of 4700µf in a circuit with a resistance of 1000Ω?
4.7 seconds
What is the micro farad represented as?
µf
Why is it important to have the same units when using the formulae?
To avoid errors in the calculation
Test your knowledge of Year 10 school engineering, covering workshop safety, metal fabrication processes, and materials such as metals, plastics, and textiles. Topics include safety signs, PPE, metal deformation, and manufacturing techniques.
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