SAIT IP REVIEW

Question 1

The basic purpose of a bearing is:

Answer 1

To support moving shafts and ways

Question 2

Compared to the hardness of shaft journals, plain bearing hardness should be more, or less?

Answer 2

Less

Question 3

Plain journal bearings help;

Answer 3

maintain shaft alignment

Question 4

Compared to anti friction bearings, plain journal bearings….

Answer 4

require less radial space

Question 5

The lubricant groove of plain journal bearing should be located in the area of;

Answer 5

least pressure

Question 6

A plain journal bearing material does not need;

Answer 6

high hardness

Question 7

The characteristics ability of a plain journal bearing material to absorb dirt or other particles is referred to as its;

Answer 7

Embeddability

Question 8

What do you look for when determining if a bearing should be repaired or replaced?

Answer 8

-Embedded Particles
-Improper Clearances
-Journal Damage

Question 9

In a standard anti-friction bearing, you will not find;

Answer 9

Internal lubricant grooves

Question 10

The AFBMA basic number for each standard anti-friction bearing includes information about its;

Answer 10

Dimension Series
Bore Size
Type and Construction

Question 11

Fatigue failure of a bearing starts as;

Answer 11

Flaking

Question 12

In a fixed and floating two bearing mounting, what load is the fixed bearing intended to carry;

Answer 12

Thrust

Question 13

To prevent creeping or spinning of the inner ring, use a;

Answer 13

Tapered adapter sleeve

Question 14

What type of ball bearing most efficiently resists loads from any direction?

Answer 14

Double Row Angular Contact bearing

Question 15

What type of roller bearing is designed to carry combined radial and thrust loads?

Answer 15

Tapered Roller bearing

Question 16

What bearing can adjust to misalignment without loss in its load carrying capacity?

Answer 16

Spherical Roller Bearing

Question 17

The major function of a seal is to;

Answer 17

retain the lubricant

Question 18

Materials used to construct sealing elements include;

Answer 18

Felt, Leather, Synthetic Materials

Question 19

To ensure long service life of synthetic seals the shaft should be;

Answer 19

slightly rough

Question 20

Internal wear in a bearing may be detected in drained oil by the presence of;

Answer 20

Metal particles

Question 21

When ball or roller bearings are installed slightly out of line, they will;

Answer 21

Fail Sooner

Question 22

Shock load on a bearing will result in the bearing becoming;

Answer 22

Brinelled

Question 23

Measuring a screw thread from crest to crest would include;

Answer 23

Pitch

Question 24

A bolt described as a 1/2-13 UNC 3A would have a;

Answer 24

Tight (what the fuck is that)

Question 25

A surface becomes worn by;

Answer 25

Friction

Question 26

A box end of a combination wrench is classified as a __________ wrench.

Answer 26

Enclosed End

Question 27

A hacksaw blade with large teeth should be used for cutting;

Answer 27

Shafting

Question 28

To cut threads in a through hole in heavy plate, you would use;

Answer 28

Taper and Tap plugs

Question 29

What safety precautions should be followed when using a portable magnetic drill?

Answer 29

Chain the drill if in the vertical position

Question 30

After starting a bench grinder, they can be used;

Answer 30

After they come up to full speed

Question 31

Which of the following dimensions shows a bilateral tolerance? +.004 a: .750, +.004, .000 b: .750, -.003, +.002 c: .750, -.000, +.002 d: .750, -.001

Answer 31

B; .750, -.003, +.002

Question 32

If you machine a shaft to 1.500, +.000, -.004 and a sleeve to 1.502, +.001, -.001 the resulting fit would be;

Answer 32

Clearance

Question 33

If you have to turn a shaft to a diameter given on the shop drawing as 1.125, +.003, -.003 then the tolerance would be?

Answer 33

.006

Question 34

A vernier height gauge with attachments may be used for;

Answer 34

Measuring heights Measuring depths Layout work

Question 35

What tool can be used as an outside caliper?

Answer 35

Hermaphrodite Caliper

Question 36

The centre head is used for?

Answer 36

locate centres on shafts

Question 37

An imperial micrometer spindle has ______ threads per inch?

Answer 37

40

Question 38

An imperial vernier micrometer measures to an accuracy of?

Answer 38

.0001

Question 39

One revolution on a micrometer thimble equals;

Answer 39

.025

Question 40

Thimble of a metric micrometer is divided into ________ parts?

Answer 40

50

Question 41

A micrometer measures to an accuracy of;

Answer 41

.0010

Question 42

The range of a 2" outside micrometer is from;

Answer 42

1-2"

Question 43

Layout is a term applied to the;

Answer 43

Transfer of the lines to the metal being worked on

Question 44

The tool that can be used to scribe lines approximately in the centre of a workpiece is the;

Answer 44

Hermaphrodite Caliper

Question 45

Double cut files are files that;

Answer 45

Are used for roughing

Question 46

The purpose of draw filing is to;

Answer 46

produce a smooth and flat surface

Question 47

A hacksaw blade for general purpose work should have ___________ teeth per inch.

Answer 47

18

Question 48

A hand hacksaw blade for sawing thin wall tubing should have a pitch of _________ teeth per inch.

Answer 48

32

Question 49

The average speed for hand hacksawing should be ____ strokes per minute.

Answer 49

45-50 strokes

Question 50

The split die is used to;

Answer 50

obtain different fits on external threads

Question 51

A hand reamer must be turned;

Answer 51

forward only

Question 52

A wrench used to tighten finished shafts with no marks is the:

Answer 52

Strap

Question 53

Shims used with babbit bearings are for;

Answer 53

obtaining the clearances

Question 54

A gib style bearing joint in a pillow block gives _______ loading areas.

Answer 54

360 degrees

Question 55

A 6 x 19 wire rope has;

Answer 55

6 strands and 19 wires per strand

Question 56

Wedge sockets are preferred over permanent sockets on wire rope where;

Answer 56

The main line is changed frequently

Question 57

What is the most favourable feature of flexible graphite gasket or packing material?

Answer 57

High Temperature Range

Question 58

What conditions or loads must a gasket resist?

Answer 58

- bolt load -pressure from within -temperature

Question 59

The finest reading on a vernier caliper is;

Answer 59

.0010

Question 60

The tools used to measure or layout angles are;

Answer 60

Combination set, Bevel protractor

Question 61

When measuring work still hot from machining you should;

Answer 61

Cool the work to room temperature

Question 62

A device to take up the slack in cables is a;

Answer 62

Turnbuckle

Question 63

When grinding a carbon steel tool, care must be taken not to;

Answer 63

lose the hardness of the piece

Question 64

The countersink is used to enlarge the end of a hole to a shape like a;

Answer 64

Cone

Question 65

A safety factor of new rope is;

Answer 65

5:1- this means the wire rope can withstand 5 times their safe work load. Safety factor is a measurement of how strong of a force a wire rope can withstand before it breaks.

Question 66

The maximum height of a portable step ladder is _____ feet.

Answer 66

20 feet

Question 67

A snatch block can be made of ________, _________, or _________. And opened for __________.

Answer 67

A snatch block can be made of wood, metal, or plastic. And opened for threading.

Question 68

Soft jaws are sometimes put in a vice to __________ the workpiece.

Answer 68

protect

Question 69

Knurling the surface of a workpiece will;

Answer 69

Increase its diameter

Question 70

The three main parts of a lathe carriage are;

Answer 70

Apron, Saddle, and Cross Slide

Question 71

What operation should not be performed on a workpiece held between centres on a lathe?

Answer 71

Parting off

Question 72

When turning work in a lathe the job tapers smaller on the headstock end you will;

Answer 72

Adjust tailstock towards you

Question 73

The gasket that does not have bolt holes is the;

Answer 73

Full Face

Question 74

The foundation of machine subject to critical alignment is poured with the concrete level and a minus elevation of;

Answer 74

3/4" to 1 1/2"

Question 75

Metals used for babbit are;

Answer 75

Tin, Copper, Lead, Antimony

Question 76

When drilling a 2 1/2" shaft in a lathe with a 1/2" drill bit how fast will the lathe be set to run? (material cutting speed is 300)

Answer 76

2400rpm

Question 77

Drilling may be defined as;

Answer 77

removing metal from a solid mass

Question 78

The machine reamer that cuts only at the chamfered end is called;

Answer 78

rose reamer

Question 79

Which of the following is NOT a ferrous metal? Cast Iron, Alloy Steel, Aluminium Bronze, Low carbon steel

Answer 79

Aluminium Bronze

Question 80

Single, Double, or Triple blocks designate the number of?

Answer 80

Sheaves

Question 81

The temper colours tell you;

Answer 81

The temperature of the metal

Question 82

Before babbitt is poured, all metal components should be;

Answer 82

Pre-heated

Question 83

Scraping is used primarily to;

Answer 83

Increase the area of contact

Question 84

What material is often used for tinning bronze shells?

Answer 84

Solder

Question 85

The amount left in a hole to be reamed 3/4" is;

Answer 85

1/32

Question 86

A countersink is used to enlarge the top of hole to accommodate ________ screws

Answer 86

Flat head