IMT

Question 1

The bearing sizes 04 through 96, the bore diameter equals what?

Answer 1

What bearing size is the bore diameter equal to five times the size number?

Question 2

If the bearing size is 00, what is the bore diameter?

Answer 2

If the bore diameter is 10 what is the size number?

Question 3

If the bearing size number is 01, what is the bore diameter?

Answer 3

What is the bearing size number if the bore diameter is 12 mm?

Question 4

If the bearing size number is 02, what is bore diameter?

Answer 4

If the bore diameter is 15 mm what is the bearing size number?

Question 5

If the bearing size number is 03 what is the bore diameter?

Answer 5

If the bore diameter is 17 what is the bearing size number?

Question 6

6203RSR, what is the bearing size number for the bore diameter of this bearing?

Answer 6

For bearing 6203RSR, what does ‘03’ represent?

Question 7

The characters 2RSR in a bearing number, signifies what?

Answer 7

How would two seals on a bearing number be shown?

Question 8

The characters 2ZR, and a bearing number, signifies what?

Answer 8

What characters in a bearing number is used to show that a bearing has two shields?

Question 9

What type of forces do bearings encounter?

Answer 9

Radial and axial forces 

Question 10

how much end-play should a bearing have when it’s cold?

Answer 10

0.07 to 0.12 mm

Question 11

Which configuration is used for a rotating shaft?

Answer 11

X configuration is used for what bearing configuration? 

Question 12

Rotating housing configuration uses what bearing configuration?

Answer 12

The O configuration is used for what type of bearing configuration?

Question 13

For X configuration in bearing theory, which race is locked, both axially and radially?

Answer 13

The inner races are locked, both axially and radially for what bearing configuration?

Question 14

For the O configuration in bearing theory, which race is locked both axially and radially?

Answer 14

The outer race is locked, both axially and radially for what bearing configuration?

Question 15

The correct fit used for rotating shaft is what?

Answer 15

H7k6, Hong Kong, is used for what?

Question 16

The correct fit used for rotating housing is what?

Answer 16

N7g6, nogo, is used for what?

Question 17

A. Bearing.
Vs
B. Bushing.

Answer 17

A. Higher RPMs
Vs
B. Heavier loads.

Question 18

The three main families of clutches are?

Answer 18

Mechanical, electromagnetic, and hydraulic 

Question 19

What is used to prevent overloading of a machine or drive system?

Answer 19

Torque limiter do what?

Question 20

How is the torque limiter adjusted?

Answer 20

Manually setting the tension on a spring to change the pressure of a clutch disc.

Question 21

Which type of chain is best used for timing?

Answer 21

Silent chain is assigned, work best and what situations?

Question 22

ISO chains have the same pitch as?

Answer 22

ANSI chains have the same pitch as?

Question 23

How do you find the pitch for ISO chains?

Answer 23

The first number is multiplied by 1/16

Question 24

How do you find the pitch for ANSI chains?

Answer 24

The first number is multiplied by 1/8.

Question 25

What letters designate that a chain is ISO? 

Answer 25

After the pitch number, A = American B = British

Question 26

What is the most widely used type of chain?

Answer 26

What is significant about the roller chain?

Question 27

Rollerless chains are best used for?

Answer 27

Which chain is can handle wear and is used at low speeds?

Question 28

Pintle chains are used in what conditions?

Answer 28

Which chain is best used in the weather?

Question 29

How much deflection is acceptable in a chain?

Answer 29

1/64 in. Per inch or 2% of the distance between sprocket

Question 30

What is the purpose of the snub roller?

Answer 30

This roller is very close to the head roller to increase contact area on the head roller.

Question 31

What is the rule for belt tracking?

Answer 31

“Track with friction not tension,”describes what?

Question 32

A conveyor belt moves towards what?

Answer 32

The end of a roller/idler that a conveyor belt contacts first has what impact?

Question 33

What are the categories of coupling?

Answer 33

Rigid, flexible, universal

Question 34

The type of coupling misalignments are

Answer 34

Anguler, radial, axial

Question 35

Module (M) = ?

Answer 35

Pitch circle diameter / # of teeth (mm per tooth)

Question 36

Diameter Pitch (DP) = ?

Answer 36

# of teeth / Pitch circle diameter (teeth per inch)

Question 37

Minimum Backlash = ?

Answer 37

= 0.025 / Dp = 0.025M

Question 38

Maximum backlash = ?

Answer 38

= 0.035 / Dp = 0.035M

Question 39

What is the best way to eliminate backlash in a ball screw system?

Answer 39

Preloading the ball screw does what?

Question 40

Dynamic seals are used where?

Answer 40

What type of seal is best for moving parts?

Question 41

A box with a single diagonal arrow is a symbol for what?

Answer 41

What does a single lip seal symbol look like?

Question 42

A box with two opposing diagonal arrows is a symbol for what?

Answer 42

What does the symbol for a double lip seal look like?

Question 43

A box with a single diagonal arrow and an opposing diagonal line is a symbol for what?

Answer 43

What does the symbol for a single lip seal with an anti-dirt lip look like?

Question 44

Maximum allowance, the greatest amount of clearance

Answer 44

Equal to the largest female size minus the smallest male size 

Question 45

Minimum allowance, the least amount of clearance

Answer 45

Equal to the smallest female size minus the largest male size

Question 46

Force fit for ANSI fits

Answer 46

FN #

Question 47

Running clearance, sliding clearance fit, ANSI fits 

Answer 47

RC #

Question 48

Locational clearance fit, ANSI fits

Answer 48

LC #

Question 49

Transitional clearance or interference fit, ANSI fits

Answer 49

LT #

Question 50

Locational interference fit, ANSI fits

Answer 50

LN #

Question 51

ISO tolerance, Capital letter equals what? Lowercase letter equals what?

Answer 51

ISO tolerance, Internal dimensions shown by? External dimensions shown by?

Question 52

What is the correct surface finish for an O-ring?

Answer 52

Ra 0.1

Question 53

What is the correct surface finish for a bearing seat?

Answer 53

Ra 1.6

Question 54

What is the correct surface finish for an oil seal?

Answer 54

Ra 0.8

Question 55

What is the pitch for M5?

Answer 55

0.80

Question 56

What is the pitch for M6?

Answer 56

1.00

Question 57

What is the pitch for M8?

Answer 57

1.25

Question 58

What is the pitch for M 10?

Answer 58

1.50

Question 59

What is the pitch for M12?

Answer 59

1.75