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Worksheets

FASTENERS

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

A fastener with internal threads is known as a _________.

a)

bolt

b)

nut

c)

tap

d)

lock washer

2.
What is D?
a)
Pitch
b)
Pitch Diameter
c)
Major Diameter
d)
Minor Diameter
3.
What type of tool is shown in the illustration?
a)
Die
b)
Tap
c)
Fillister
d)
Hex
4.
What do the letters UNF refer to with threading?
a)
Unified National Fine
b)
Unexpected National Fine
c)
Unified National Fixed
d)
Unified National Furnished
5.
What do the letters UNC refer to with threading?
a)
Unified National Fine
b)
Unexpected National Course
c)
Unified National Class
d)
Unified National Course
6.

Which are correct to measure the bolt length?

a)

D

b)

C

c)

B

d)

A

7.

The threaded plug shown has a thread pitch of _________.

a)

24 mm

b)

24 threads per inch

c)

24 inches

d)

24 teeth

8.

Why do we use a washer under a nut ?

a)

To make it thicker

b)

To protect the joined material from damage

c)

To make it easier to tighten

9.

Tick the best choice for 'medium strength, permanent join of 2 overlapping steel sheets. You can access only one side of joint

a)

Machine screw

b)

Pop rivet

c)

Nut and bolt

d)

Self tapping screw

e)

Solid Rivet

10.

Choose the machine screw

a)
b)
c)
d)
11.

Choose the Nyloc nut

a)
b)
c)
d)
12.

Choose the bolt

a)
b)
c)
d)
13.

Choose the lock washer

a)
b)
c)
d)
14.

Choose the nail

a)
b)
c)
d)
15.

Choose the washer

a)
b)
c)
d)
16.

Choose the wood screw

a)
b)
c)
d)
17.

Choose the standard nut

a)
b)
c)
d)
18.
Nuts and bolts use ____ to distribute clamping pressure over a larger area.
a)
rivets
b)
cotter pins
c)
keys
d)
washers
19.

What type of fastener is shown in the picture?

a)

Collar

b)

Spleen

c)

Nut

d)

Spline

20.
What type of fastener is shown in the illustration?
a)
C clamp
b)
O-ring
c)
Snap ring
d)
None of the above
21.
Identify this thread cutting tool
a)
Tap 
b)
Die 
c)
Socket 
d)
Hex Head Bolt
22.

A gasket is used to

a)

ease engine starting

b)

seal moving parts

c)

seal gaps between parts

d)

none of the above

23.

The type of nut shown is a ___________ nut.

a)

nylock

b)

acorn

c)

brazil

d)

castle

24.
Identify the screw....
a)
Flat Screw Head
b)
Oval Screw Head
c)
Pan Screw Head
d)
Truss Screw Head
25.
Identify the screw....
a)
Pan Screw Head
b)
Flat Screw Head
c)
Oval Screw Head
d)
Round Screw Head
26.
Identify the screw.....
a)
Hex Head
b)
Hex Washer
c)
Truss Screw Head
d)
Pan Screw Head 
27.
Identify the screw....
a)
Oval Screw Head
b)
Flat Screw Head
c)
Truss Screw Head
d)
Pan Screw Head
28.
Identify the screw....
a)
Hex Head
b)
Round Screw Head
c)
Flat Screw Head
d)
Oval Screw Head
29.
Identify the screw...
a)
Hex Head
b)
Socket Cap
c)
Hex Washer
d)
Button 
30.
What is this?
a)
Socket Cap
b)
Hex Washer
c)
Button 
d)
Hex Head
31.
What is this?
a)
Flat Screw Head
b)
Button
c)
Socket Cap
d)
Round Screw Head
32.

NAME THE HARDWARE

a)

RIVET

b)

WOOD SCREW

c)

SLEEVE BOLT

d)

ADHERING PIN

33.

NAME THE HARDWARE

a)

CARRIAGE BOLT

b)

HEX BOLT

c)

LAG BOLT

d)

LAG SCREW

34.

the best way to fix the hubs shown is to use ______________

a)

welding

b)

adhesive

c)

lock nut and washer

d)

key fastener

35.

the key shown is

a)

sqaure key

b)

rectangular key

c)

woodruff key

d)

gib head key

36.

the key shown is

a)

sqaure key

b)

rectangular key

c)

woodruff key

d)

Gib head key

37.

The ___________ used for the repair and rescue of key seats that have become larger through wear.

a)

offset key

b)

square key

c)

rectangular key

d)

gib head key

38.

Castle Nuts

a)
b)
c)
d)
39.

The difference between bolt 1 and bolt 2 is ___________

a)

Bolt 1 has Coarse thread and Bolt 2 has Fine Threads

b)

Bolt 2 has Coarse thread and Bolt 1 has Fine Threads

c)

both of them have Coarse Threads

d)

both of them have Fine Threads

40.

Why use a 'Nyloc' nut ?

a)

It looks fancy

b)

It has a plastic lock ring inside to stop nut coming loose during vibration

c)

They are for very high strength applications only

d)

Makes join waterproof.

41.

Which of part has internal thread

a)

bolt

b)

nut

c)

head of bolt

d)

none of them

42.

The following tool is used for __________

a)

tapping operation

b)

reaming operation

c)

drilling operation

d)

cutting operation

43.

What type of bolt head configuration is this?

a)

hex

b)

cheese

c)

pan

d)

mushroom

44.

this is an example of a....

a)

hexagonal headed bolt

b)

Phillips headed bolt

c)

Button hexagonal socket headed bolt

d)

Button mushroom headed bolt

45.

Washer which is used prevent loosening of nuts due to vibration is

a)

Spring washer

b)

Tooth locked washer

c)

Plain washer

d)

Flat washer

46.

Nut used in automobile and locomotive engines to avoid sudden shock and vibration

a)

Castle nut

b)

Wing nut

c)

Fly nut

d)

Thumb nut

47.

Split pin are used in

a)

Castle nut

b)

Dome nut

c)

Wing nut

d)

Self locking nut

48.

Sunk key with rectangular cross section is called

a)

Flat key

b)

Rectangular key

c)

Woodruff key

d)

Kennedy key

49.

Key which fits in the key way of hub only

a)

Saddle key

b)

Sunk key

c)

Woodruff key

d)

Kennedy key

50.

What is used to secure gears, pulleys and shafts?

a)

E-clip

b)

Retaining rings

c)

Set screws

d)

all of these