asdf Flashcards

(65 cards)

1
Q

What type/s of forces is a balloon under when inflated?

A

compression, tension…

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2
Q

What type of turning technique would be used to create a grip on a bar?

A

Knurling

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3
Q

Explain what is meant by the term Product miles.

A

The number of miles travelled by a product from manufacture - disposal

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4
Q

What unit is used to measure Paper?

A

GSM (Grams per sq. metre)

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5
Q

What is meant by Finite Energy source?

A

a resource that is limited

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6
Q

What is meant by non-finite energy source?

A

a resource that is unlimited

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7
Q

Give an example of a finite energy source.

A

coal, oil, gas

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8
Q

Give an example of a non-finite energy source.

A

solar, wind, hydro

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9
Q

What is meant by Technology Push?

A

Product ideas being realised in response to new tech

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10
Q

Give an example of technology push.

A

new tech invention, miniaturisation, new use for tech

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11
Q

What does CNC stand for?

A

Computer Numerical control

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12
Q

Give two examples of CAM hardware

A

laser/plasma cutter, 3D printer, router….

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13
Q

What is meant by Planned Obsolescence?

A

Deliberately limited lifespan of products

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14
Q

What is a composite material?

A

Combination of two + materials to improve properties

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15
Q

What does PPE stand for?

A

Personal Protective Equipment.

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16
Q

What is the voltage of a standard single rechargeable cell?

A

1.2V

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17
Q

What is the standard voltage of an alkaline battery cell?

A

1.5V

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18
Q

What forms can potential energy be stored as?

A

Mechanical, Chemical, Gravitational, Nuclear

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19
Q

Why are corn starch polymers not ideal for use outside?

A

They will soften over time as they start to biodegrade

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20
Q

What process is used to extract Shale gas from the earth?

A

Fracking

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21
Q

What do ferrous metals contain that makes them ferrous?

A

Iron

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22
Q

What is another name for a bar of metal?

A

Ingot

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23
Q

What does PCB stand for?

A

Printed Circuit Board

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24
Q

Describe what is meant by Ergonomics.

A

The study of human interaction with objects.

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25
Describe what is meant by Anthropometrics.
Studies the measurements of humans in relation to products.
26
What system - Ordering & Manufacturing parts as they are needed.
JIT
27
Give one advantage of using automation for an assembly line.
24/7, no breaks, increased production…
28
Define what an Alloy is.
A combination of one pure metal and another element.
29
Define what is meant by Lamination
Bonding two or more materials/layers of material to improve properties
30
Define Toughness
Absorb energy through shock without fracturing
31
Define Hardness
resist abrasive wear and indentation through impact
32
Define Strength
Ability to withstand a force such as pressure, tension or shear.
33
Give two benefits of using JIT manufacturing.
no storage expense, less material in stock
34
Give two disadvantages of using JIT manufacturing.
Rely on suppliers, Long lead times, change in suppliers can cause delays (KFC)
35
List two synthetic fabrics
Polyester, Polyamide (nylon), Elastane, Poly-cotton (blended fabric)
36
List two Natural Fabrics
Cotton, Silk, Wool
37
Give two platforms for virtual marketing.
websites, social media, email: amazon, etsy, facebook….
38
What is meant by the term provenance in relation to a product.
where goods and their components come from.
39
What does the term WEEE stand for?
Waste Electrical and Electronic Equipment waste
40
How can steel hinges be modified to protect them from rust?
Galvanised / Painted
41
Name two Smart Materials.
Thermo/Photochromic, SMA nitinol, self healing concrete/polymer…
42
How many sheets of A4 paper can be cut from an A1 piece?
8
43
Which linkage changes the direction of a motion through 90 degrees?
Bell crank
44
Which linkage converts rotary motion to reciprocating motion?
Crank and Slider
45
What is the difference between Hard and Soft woods?
names reflect the cell structure. Hard-deciduous, Soft-Coniferous.
46
Give two examples of Hardwood.
Ash, Beech, Mahogany, Oak, Balsa…..
47
Give two examples of Softwood.
Larch, Pine, Spruce….
48
Name three methods that could speed up the manufacturing of batch products
Use Jigs, templates, moulds, patterns, formers
49
Three examples of products that would be defined as "one off production"
Wedding ring, Jewellery, Bespoke furniture, musical instruments…
50
SEO means what in the digital world
Search Engine Optimisation
51
Which cam profile would be used to simulate an animals jaws opening and then snapping?
Snail Cam
52
Why may a company choose wind turbine over solar energy
They can work 24/7,
53
Suggest two suitable metals that would be good for cookware
Copper, Stainless steel, aluminium
54
State one property and use for Balsa wood
Modelling, easily cut, lightweight
55
State two properties of Oak and why it is suitable for wood flooring
Aesthetically pleasing, Tough, hard wearing, hard (resists indentation)
56
State two properties of copper that make it suitable for electrical wiring
Malleable, electrically conductive, ductile,
57
What is microencapsulation
self healing particles,
58
Give two examples of micro encapsulation
self healing concrete and polymers
59
Describe how 3D printer uses addition to form an object
layers
60
Name three types of wood joint.
Dowel, Butt, Mitre, Housing, Mortise and Tenon, dovetail, finger
61
What three pieces of PPE would be appropriate when mechanically sanding?
Goggles, Apron and Mask
62
Give the name of the two types of knitting
Warp and Weft
63
Give two ways the CNC router can be used
cut and etch
64
Give two benefits of standardisation
Everything is the same, interchangeable parts
65
Explain the difference between two and three axis CAM machines
one has x&y, the other has xyz