Week 7

Question 1

These are devices used to join or assemble parts together

Answer 1

Sheetmetal fasteners

Question 2

Materials used for manufacturing of fasteners

Answer 2

Carbon steel
Alloy steel
Stainless steel
Inconel stainless steel
Titanium
Aluminum

Question 3

This is the most commonly used material for fasteners

Answer 3

Carbon steel

Question 4

This is mostly used in aircraft application fasteners

Answer 4

Titanium

Question 5

This is used in areas of very light loads and application requiring reduction in weight

Answer 5

Aluminum

Question 6

Various types of coating for fasteners area

Answer 6

Cadmium plating
Zinc plating
Chromium plating
Black oxidizing
Nickel plating

Question 7

Is a type of fastener, usually made from metal, that commonly comprises a head at one end, a chamfer at the other, and a shaft characterized by an external helical ridge known as “thread”

Answer 7

Bolt

Question 8

A perforated block usually of metal that has an internal screw thread and is used on a bolt or screw or for tightening or holding something

Answer 8

Nut

Question 9

A nail-shaped or rod-shaped piece with a spiral groove and a slotted or recessed head designed to be inserted into material by rotating and used for fastening pieces of solid material together

Answer 9

Screw

Question 10

Is a thin plate (typically disk-shaped) with a hole (typically in the middle) that is normally used to distribute the load of a thread fastener, such as bolt or nut

Answer 10

Washer

Question 11

Are thin, circular, metal components that can be either stamped from a sheet or coiled from wire

Answer 11

Retaining rings

Question 12

Are heavy duty anchor for fixing objects to masonry surfaces

Answer 12

Concrete anchors

Question 13

Are designed to be placed into existing holes to provide a threaded receptacle so that screws, bolts or other fixings can be installed

Answer 13

Inserts

Question 14

A short metal pin or bolt for holding together two plates of metal, its headless end being beaten out or pressed down when in place

Answer 14

Rivets

Question 15

It is a process of joining permanently two pieces of sheet metal with rivets

Answer 15

Riveting

Question 16

What do you call the special rivets

Answer 16

Tinners’ rivets

Question 17

Riveting involves 3 operations

Answer 17

Drawing
Upsetting
Heading

Question 18

Types of rivets

Answer 18

POP rivets (open end)
Closed end pop rivets (sealed)
Countersunk Pop rivets
Multi-grip rivets
Structural rivets

Question 19

It is also known blind rivets, are used to connect two pieces of material in quick, efficient way

Answer 19

Pop rivets

Question 20

These are tubular comprised of a hat and mandrel

Answer 20

Pop rivet

Question 21

It is a closed end which creates a watertight deal

Answer 21

Closed end pop rivets

Question 22

The hat of the rivet is almost inverted, with a 120° countersink in the integrated washer

Answer 22

Countersunk pop rivet

Question 23

Are often used to substitute conventional rivets where the thickness of installation materials can vary

Answer 23

Multi-grip rivets

Question 24

Are used to create a stronger assembly than standard stainless steel pop rivets

Answer 24

Structural rivets

Question 25

They generate an intense amount of force and require a different tool to apply than a regular rivet

Answer 25

Structural rivet

Question 26

Other name for rivet gun

Answer 26

Pneumatic hammer

Question 27

Is a type of tool used to drive rivets

Answer 27

Rivet gun

Question 28

Is a mechanical fastener that is usually used with a nut for connecting two or more parts

Answer 28

Bolt

Question 29

These are often used to prevent loosening and crushing

Answer 29

Washer

Question 30

Types of bolt

Answer 30

Anchor bolt Carriage bolt Hanger bolt Hex bolt J bolt

Question 31

Bolt designed to allow objects to be attached to concrete

Answer 31

Anchor bolt

Question 32

Bolt with a smooth rounded head and a square section to prevent turning followed with a threaded section for a nut

Answer 32

Carriage bolt

Question 33

Bolt that has no head, machine threaded body followed by a wood threaded screw tip

Answer 33

Hanger bolt

Question 34

Allow nuts to be attached to what is really a screw

Answer 34

Hanger bolt

Question 35

Bolt with a hexagonal head and threaded body

Answer 35

Hex bolt

Question 36

(True or false) In J bolt, only the curved section is threaded for a nut to be attached

Answer 36

False (non-curved section)

Question 37

Types of screws

Answer 37

Self-drilling screws Sheet metal screws Hex lag screws Deck screws

Question 38

Self drilling screws have a sheet metal thread with a driller cutting to point ___ to ___ gauge metals

Answer 38

20 to 14

Question 39

Have sharp cutting threads that cut into sheet metal, plastic or wood

Answer 39

Sheet metal screws (SMS)

Question 40

They have fully threaded shank and sometimes have a notched point at the tip to aid in chip removal during thread cutting

Answer 40

Sheet metal screws

Question 41

These are large wood screws

Answer 41

Hex lag bolts also called lag bolts

Question 42

Aid in chip removal during thread cutting which allow for an easy installation in wood and composite materials

Answer 42

Deck screw

Question 43

Is a tool, manual, or powered for screwing and unscrewing screws

Answer 43

Screw driver

Question 44

Types of nut

Answer 44

Cap nuts Coupling nuts Hex finish nuts Heavy hex nuts Hex machine nuts

Question 45

The nut has a domed top to prevent contact with the external thread

Answer 45

Cap nut (acorn nut))

Question 46

Is a threaded fastener used for joining two male threads, most commonly threaded rod

Answer 46

Coupling nuts

Question 47

Are used for fastening hex cap screw, socket cap screw or bolt

Answer 47

Hex finish nuts

Question 48

Hex shaped, internally threaded, and driven with a wrench

Answer 48

Heavy hex nuts