Hour long revision recap

Question 1

What plastic is used in 3d printing

Answer 1

PLA

Question 2

What makes PLA plastic different from normal plastics

Answer 2

Its a biopolymer, and is biodegradable

Question 3

What does plasticity mean

Answer 3

How easily a plastic can be bent, or changed shape, without cracking or breaking

Question 4

What is a digital vernier calliper

Answer 4

The very accurate measuring thing

Question 5

What is the very accurate measuring thing

Answer 5

A digital vernier calliper

Question 6

What is a coping saw used to cut

Answer 6

woods or plastics, especially to cut bends

Question 7

What is a tenon saw used for

Answer 7

Cutting straight cuts in wood

Question 8

What is a tri-square

Answer 8

Used to draw 90 degree angle

Question 9

What is used to draw a 90 degree angle

Answer 9

Tri-square

Question 10

What is the saw to cut straight cuts in wood

Answer 10

Tenon saw

Question 11

What is the saw to cut curved cuts in wood or plastic

Answer 11

coping saw

Question 12

What is a plain head or slotted scredriver

Answer 12

Flat, one line screwdriver

Question 13

What is a flat, single line screwdriver

Answer 13

Plain head screwdriver. Or slotted scredriver

Question 14

What is a pozidriv head screwdriver

Answer 14

Cross roads

Question 15

What is a mallet

Answer 15

Used to hit chisels

Question 16

What is a marking gauge

Answer 16

Used to score parallel lines

Question 17

What is used to score parallel lines

Answer 17

A marking gauge

Question 18

What is a rasp

Answer 18

A very course file

Question 19

What is the name of a very course file

Answer 19

A rasp

Question 20

What is a hacksaw used for

Answer 20

To cut through metals

Question 21

What is the real name for sandpaper

Answer 21

Abrasive paper

Question 22

What is used to mark metal

Answer 22

Scriber

Question 23

what is a ball pein hammer

Answer 23

Hammer used to hammer metals, e.g to change its shape

Question 24

What are the three types of file

Answer 24

Flat file
Round file
Three square file

Question 25

Which file has a triangular cross section

Answer 25

Three square file

Question 26

What is a centre punch

Answer 26

Used to leave an indentation on metal, so a drill will not slip

Question 27

What is used to hit a centre punch

Answer 27

A ball pein hammer

Question 28

What is used to leave an indentation on metal so drills wont slip

Answer 28

A centre punch

Question 29

What are tin snips

Answer 29

They are "pliers" used to cut thin sheet metal

Question 30

Why are tin snips better than a hacksaw

Answer 30

They leave a cleaner finish

Question 31

What is used to cut thin sheet metal

Answer 31

Tin snips

Question 32

What are the 3 types of permanent joins in metal

Answer 32

Soldering Brazing Welding

Question 33

What is soldering

Answer 33

Melting a low melting point metal (solder), around a joint

Question 34

What is brazing

Answer 34

Similar to soldering, but using brazing rods, which melt at 800 degrees C

Question 35

What metal is used in brazing, and what is the melting point

Answer 35

Brazing rods, melts at 800 degrees C

Question 36

What is welding

Answer 36

Melting a strong filler metal, to join two pieces of metal

Question 37

What are nuts

Answer 37

The thing that screws on to bolt (smaller)

Question 38

What are bolts

Answer 38

The rod with a thread

Question 39

What is used to stop nuts shaking loose

Answer 39

Spring washers, keeps tension on the nut

Question 40

What are nylock nuts

Answer 40

Have a blue nylon insert, which the bolt cuts a thread into, stoping shaking loose

Question 41

What are the nuts used on aeroplanes

Answer 41

nylock nuts

Question 42

What is managed forestry

Answer 42

Planting trees as you cut them down

Question 43

What does FSC stand for

Answer 43

forestry stewardship council

Question 44

Why be sustainable?

Answer 44

People are more inclined to purchase sustainable products Governments can pass laws, giving an environmental standard for products

Question 45

What are plastics made from

Answer 45

Oil

Question 46

What are the 6 rs

Answer 46

reduce reuse recycle rethink repair refuse