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Big Engineering Quiz

Total questions: 65

Worksheet time: 2hrs 36mins

Name
Class
Date
1.

Steel is...

a)

an alloy

b)

ore

2.

Steel is ... than iron

a)

stronger

b)

weaker

3.

Steel which doesn't rust is called...

a)

stainless steel

b)

rust-free steel

4.

steel can be used to produce wires because it is...

a)

brittle

b)

ductile

5.

Steel is ...

a)

a man made mixture of iron with small amounts of other elements added called an alloy

b)

a natural ore including iron and other elements found in the earths crust

c)

a modern material developed after the industrial revolution

d)

an alloy which can be found in the earths crust

6.

The most common element added to iron to create steel alloy is ...

a)

tungsten

b)

vanadium

c)

chromium

d)

carbon

7.

The properties of steel can also be slightly modified using heat treatments. A heat treatment ...

a)

is heating the iron before it is alloyed

b)

is heating the additives before adding them into the pure iron

c)

is subjecting the alloying chamber to a specific time/temperature setting

d)

changes the crystal structure of the steel thereby effecting its properties

e)

is subjecting the finished alloy to specific time/temperature setting

8.

Annealing is ...

a)

heating the steel alloy to a sufficiently high temperature to soften it, and remove built in stresses

b)

heating the steel alloy to a high temperature and rapidly cooling it, which hardens it but also makes it brittle

c)

moderately heating the finished steel alloy to remove some of the internal stresses and make it softer and less brittle

d)

storing the steel alloy at room temperature for a long period of time to cure it

9.

Quenching is ...

a)

heating the steel alloy to a sufficiently high temperature to soften it, and remove internal stresses

b)

heating the steel alloy to a high temperature and rapidly cooing it, which hardens it but also makes it brittle

c)

moderately heating the finished steel alloy to remove some of the internal stresses and make it softer and less brittle

d)

storing the steel alloy at room temperature for a long period of time to cure it

10.

Tempering is ...

a)

heating the steel alloy to a sufficiently high temperature to soften it, and remove built in stresses

b)

heating the steel alloy to a high temperature and rapidly cooling it, which hardens it but also makes it brittle

c)

moderately heating the finished steel alloy to remove some of the internal stresses and make it softer and less brittle

d)

storing the steel alloy at room temperature for a long period of time in order to cure it

11.
What polymer/plastic is this made from? 
a)
Acrylic
b)
Expanded Polystyrene
c)
ABS
d)
Nylon
12.
What polymer/plastic is this made from? 
a)
Acrylic
b)
Expanded Polystyrene
c)
ABS
d)
Nylon
13.
What polymer/plastic is this made from? 
a)
Acrylic
b)
Expanded Polystyrene
c)
ABS
d)
Nylon
14.
What best describes a thermoplastic? 
a)
Thermoplastics can not be heated and shaped many times.
b)
Thermoplastics can be heated and shaped many times.
c)
Thermoplastics can be heated and shaped only once.
d)
Thermoplastics can be shaped many times.
15.
What best describes a thermosetting plastic? 
a)
Thermoset plastics can only be heated and shaped a few times.
b)
Thermoset plastics are made hard through heat
c)
Thermoset plastics can only be heated to hold heat in
d)
Thermoset plastics can only be heated and shaped once.
16.
What one is a thermoplastic?
a)
Epoxy
b)
Vulcanised Rubber
c)
Acrylic
d)
MDF
17.
What one is a thermoplastic?
a)
MDF
b)
Vulcanised Rubber
c)
Ply
d)
Nylon
18.
What one is a thermosetting polymer/plastic?
a)
Epoxy
b)
Acrylic
c)
OSB
d)
Polycarbonate
19.
What plastic in generally used for vacuum forming?
a)
OSB
b)
MDF
c)
GRP
d)
HIPS
20.
What is this machine?
a)
Blow Moulder
b)
Strip Heater
c)
Injection Moulding
d)
Vacuum Former
21.
What is this machine?
a)
Blow Moulder
b)
Strip Heater
c)
Injection Moulding
d)
Vacuum Former
22.
What is this machine?
a)
Blow Moulder
b)
Strip Heater
c)
Injection Moulding
d)
Vacuum Former
23.
What best describes this term - tensile
a)
The ability of a material to stretch without heating or warping.
b)
The ability of a material to stretch without twisting or snapping.
c)
The ability of a material to bend without breaking or snapping.
d)
The ability of a material to stretch without breaking or snapping.
24.
The parting line in injection molding is which one of the following?
a)
the lines formed where polymer melt meets after flowing around a core in the mold
b)
the narrow gate sections where the parts are separated from the runner
c)
where the clamping unit is joined to the injection unit in the molding machine
d)
where the two mold halves come together
25.
Small molecules that make up larger molecules.
a)
monomer
b)
polymer
c)
synthetic
d)
plastic
26.
It cannot be re-melted. Once re-heated they will burn.
a)
Thermoplastic
b)
Thermoset
c)
Linear
d)
Branched
27.

Thermoplastics can be reshaped

a)

True

b)

False

28.

Thermoplastics makes recycling easy

a)

true

b)

false

29.

Which of the following Plastics are thermoset plastics? (Select 2)

a)

Epoxy Resin

b)

ABS (Acryonitrile, butadiene, styrene)

c)

Polypropylene

d)

melamine formaldehyde

e)

Nylon

30.

Which of the following Plastics are thermoplastics? (Select 3)

a)

Epoxy Resin

b)

ABS (Acryonitrile, butadiene, styrene)

c)

Polypropylene

d)

melamine formaldehyde

e)

Nylon

31.

Which of the following thermoset plastics is suitable for Worktops, electrical insulation, buttons on clothing, tableware?

a)

Epoxy Resin

b)

Melamine formaldehyde

c)

Polyester Resin

d)

Urea Formaldehyde

32.

Which of the following thermoset plastics is suitable for Electrical fittings, paper and textile coatings, wood adhesive?

a)

Epoxy Resin

b)

Melamine formaldehyde

c)

Polyester Resin

d)

Urea Formaldehyde

33.

Which of the following thermoplastics is suitable for Flexible: bags, bottles, sheathing for electrical cables, toys?

a)

Polyethylene HDPE

b)

Polyethylene LDPE

c)

Nylon

d)

Polypropylene

34.
What polymer/plastic is this made from? 
a)
Acrylic
b)
Expanded Polystyrene
c)
ABS
d)
Nylon
35.
a)
Motor
b)
Mouse
c)
Ground
d)
Fuse
36.
a)
Battery
b)
Fuse
c)
Diode
d)
Switch (open)
37.
a)
Switch (Closed)
b)
Switch (Open)
c)
Bulb
d)
Chassis Ground
38.
a)
Buzzer
b)
Switch (Open)
c)
Diode
d)
Horn
39.
Measure of electrical current flow
a)
Curcuit
b)
Amp
c)
Volt 
d)
Watt
40.
Material that electricity can easily flow through
a)
Insulators
b)
Rubber
c)
Conductor
d)
Wood
41.
In a parallel circuit if one light bulb goes OUT; then they ALL go out. TRUE OR FALSE?
a)
TRUE
b)
FALSE
42.
What is this symbol for?
a)
light bulb
b)
switch
c)
battery
d)
resistor
43.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
44.
What kind of circuit is this?
a)
Series
b)
Consecutive
c)
Parallel
d)
Training
45.
What is the energy source for a circuit?
a)
Light bulb
b)
Battery
c)
Wire
d)
Switch
46.

This symbol represents a ..............

a)

valve

b)

voltmeter

c)

Voltage

d)

Vacuum

47.

This symbol represents a .............

a)

Anode

b)

Alternator

c)

Amplifier

d)

Ammeter

48.

This symbol represents a ............

a)

angry circle

b)

bulb

c)

Resistor

d)

cell

49.

This symbol represents a ..........

a)

cell

b)

battery

c)

bulb

d)

resistor

50.

This symbol represents a ..........

a)

Bulb

b)

Resistor

c)

Wire

d)

L.E.D.

51.

This symbol represents a .........

a)

Resistor

b)

Battery

c)

Twix

d)

buzzer

52.

This symbol represents a ..........

a)

Bulb

b)

Battery

c)

Buzzer

d)

Microphone

53.

What is Rapid Prototyping?

a)

The process by which a model of the final product can quickly be made

b)

Changing the design of something after production has already begun

c)

When companies or teams are working on multiple aspects of the same design at one time

d)

Designing something while competing against other departments

54.

What is the major importance of a prototype?

a)

to impress investors

b)

to show how the item works

c)

to get a patent

d)

to place as a decoration

55.

The starting material of the Stereolithography method is....

a)

Solid

b)

Liquid

c)

Powder

d)

Gas

56.

What is the name of the process in the Figure?

a)

Stereolithography

b)

Selective Laser Sintering

c)

3D Printer

d)

laminated object manufacturing

57.
In which of the following process the work piece is pulled through a die resulting in reduction of area?
a)
Forging
b)
Drawing
c)
Forging
58.
The upper half of a sand-casting mold is called which one of the following:
a)
cope
b)
drag
c)
sprue
d)
gate
59.
In which of the following process the ductility of material decreases?
a)
Hot working
b)
Warm working
c)
Cold working
d)
None of the mentioned
60.
Shaping of metal by squeezing them in between two or more dies in order to obtain desire shape is done by?
a)
Forging
b)
Forming
c)
Welding
d)
Grinding
61.
The replica of the final object to be made is known as
a)
 Parting line
b)
Flask
c)
Pattern
d)
Mould
62.
In which process the cross section of the metal is reduced by forcing it to flow through a die under high pressure?
a)
Forging
b)
Forming
c)
Extrusion
d)
Welding
63.
Which one of the process is NOT using laser?
a)
LOM
b)
SLA
c)
SLS
d)
FDM
64.
What is the full name of SLS?
a)
Selective Laser Simulator
b)
Sintering Laser Simulator
c)
Selective Laser Sintering
d)
Stereolithography Laser Sintering
65.
Which of the process, the input material are in solid form?
a)
SLA
b)
SLS 
c)
FDM
d)
MJM

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