hand tools

Question 1

pullers are typically used to remove?

Answer 1

hubs
bearings
sprocket
couplings

Question 2

4 general types of pullers?

Answer 2

pressure screw puller
hydraulic puller
slide hammer puller
bar-style pullers

Question 3

what does a pressure screw puller do?

Answer 3

to remove a bearing that is located in front of a gear

Question 4

what’s does a slide hammer do?

Answer 4

to remove a bearing or seal internally

Question 5

what does a hydraulic puller do?

Answer 5

to remove a flat belt pulley

Question 6

what does a bar-style puller do?

Answer 6

uses rods that connect to some type of attachment

Question 7

what does most of the cutting on taps?

Answer 7

taper and chamfer

Question 8

what are the three hand taps?

Answer 8

bottoming
plug
taper

Question 9

what is pitch

Answer 9

the distance from a point on a screw thread to a corresponding point on the next thread

Question 10

tolerance definition

Answer 10

total permissible variation represented by the given maximum and minimum size of the part

Question 11

allowance definition

Answer 11

an internationally agreed difference in the dimensions of mating parts

Question 12

most fasteners have what degree thread angle

Answer 12

60

Question 13

helix definition

Answer 13

the angle formed by the helix of slope of the thread relative to the thread axis

Question 14

3 main classes of fit

Answer 14

class 1-loose (maximum looseness in mating threads)
class 2- average fit (most common)
class 3- tight (no looseness in mating threads)

Question 15

UNC

Answer 15

united national coarse

Question 16

UNF

Answer 16

united national fine

Question 17

UNEF

Answer 17

united national extra fine

Question 18

UNS

Answer 18

united national special

Question 19

bolts, nuts and caps are classified in what three ways?

Answer 19

tensile strength
design
size and thread pitch

Question 20

what is tensile strength

Answer 20

is the ability of material to resist forces that tend to pull apart

Question 21

two types of cleaning

Answer 21

chemical
mechanical

Question 22

alkaline cleaning must only be used on what

Answer 22

iron

Question 23

what is charged in lapping

Answer 23

the lap

Question 24

another name for scotch-rite pads

Answer 24

hand pads and rolls

Question 25

hand reamers must be rotated

Answer 25

clockwise

Question 26

tap drills are what percent of full thread in the hole

Answer 26

70

Question 27

what is a port power

Answer 27

a hydraulic jack with a separate pump

Question 28

what is a bottle jack

Answer 28

a hydraulic jack with a pump built in

Question 29

4 parts of a hydraulic press

Answer 29

ram table elevating handle table support pins pump with pressure gauge

Question 30

what petroleum based products are used in a cold tank

Answer 30

kerosene and varsol

Question 31

mechanical cleaning

Answer 31

method of cleaning by disturbing the surface of the component to remove things like paint, scale and rust

Question 32

barrel finishing

Answer 32

is inexpensive any parts can be completed at once

Question 33

how much material is removed by lapping

Answer 33

0.0005 in (0.01mm)

Question 34

serial taps are used for what

Answer 34

cut difficult-to-tap materials by hand

Question 35

national pipe per thread

Answer 35

to connect pipe fittings usually from 1/16 to 2 1/2 inch nominal pipe sizes

Question 36

one way to remove a high speed hand tap if it breaks

Answer 36

electrical discharge machine

Question 37

3 types of threading dies

Answer 37

adjustable split die adjustable screw plate die solid die

Question 38

4 types of hand reamers

Answer 38

solid reamer expansion reamer adjustable reamer taper reamer

Question 39

expansion hand reamer

Answer 39

gives small amount of expansion by having a split body with a tapered bore

Question 40

adjustable hand reamer

Answer 40

adjustment is achieved by backing off one adjusting nut on the reamer body and tightening the other

Question 41

taper hand reamers

Answer 41

used to produce a standard tier hole that is both accurate and smooth

Question 42

taper pin reamers

Answer 42

used to size the hole for taper pins

Question 43

morse

Answer 43

used to hand ream a drilled hole to a standard morse taper

Question 44

5 parts of a hand reamer

Answer 44

square end shank neck body starting taper

Question 45

broaching

Answer 45

used originally for cutting keyways and splines now used to produce all kinds of shapes

Question 46

fine thread is stronger because why?

Answer 46

leaves more material behind

Question 47

1 inch shaft equals what size key

Answer 47

1/4

Question 48

what type of tap is used to produce threads all the way to the bottom

Answer 48

bottoming plug

Question 49

dowel pins are used for what

Answer 49

aligning two machinery parts

Question 50

hand reamers are available in what sizes

Answer 50

1/4 to 3 inch

Question 51

taper pins have a taper of what

Answer 51

1/4 inch per foot

Question 52

morace tapers have a taper of what

Answer 52

5/8 inch per foot

Question 53

most reamers have staggered spacing on teeth because?

Answer 53

to reduce chatter and harmonic