ExamBank questions I got wrong

Question 1

Which of the following is inclass D division 2 in whimis?

1. dangerous reactive material
2. poisnous and infectious material with other toxic effects

Answer 1

2

Question 2

When referring to common Cnc programming structures a STATUS BLOCK IS?

1. the first block of program code that sets the conditions for the program
2. a program block that gives feedback to the operator

Answer 2

1. 1

Question 3

What type of square would be used to check the squareness of cavities and openings ?

Answer 3

Die makers square

Question 4

When fibre rope is hitched the strength of the rope is reduced by?

Answer 4

25 percent

Question 5

When referring to common Cnc programming structures which of the following is an example of a Cnc preparatory code

1. g09
2. mo4
3. t05
4. s1500

Answer 5

G09

exact stop check non modal

Question 6

The steel ruler that has graduations on one edge only is the ?

Answer 6

Narrow rule

Question 7

The most popular synthetic rope in industrial use is ?

Answer 7

Polypropylene

Question 8

When changing the blade on a hacksaw it should be installed so the cutting edge takes place on then______stroke

Answer 8

Push

Question 9

With machine screws each number size increases the major diameter by_____inch

• .013
• .042
• .060
• .073

Answer 9

.013

Question 10

Most manufacturers agree that the ideal hydraulic reservoir size should be between 2 and ________ times the amount of oil the pump can move in one minute

Answer 10

3 times

Question 11

When completing graduations whatbshouldnthenincluded angle be ?

Answer 11

60 degrees

Question 12

In an indexing machine with a compound gear train how many idlers are required for a positive rotation?

Answer 12

2

Question 13

Using the ANSI system of grading carbides which of the following would be used for producing a finishing grade on cast iron ?

Answer 13

c3 fucking don’t forget

Question 14

Which of the following would be a reason to cut a groove in a workpiece ?

1. relieve strain at the shoulder
2. to allow a nut to tighten against a shoulder
3. to provide a seat for an o ring
4. all of the above

Answer 14

All of the above

Question 15

On a wide range dividing head Turning the small crank one complete turn will rotate the large crank by how much ?

Answer 15

1/100 of a turn

Question 16

Which of the following best describes a micro set adjustable center?

1. it uses an eccentric or dovetail
2. it turns with the head stock spindle

Answer 16

It uses an eccentric or dove tail

Question 17

How is pressure calculated ?

Answer 17

Force /area

Question 18

When looking at a face milling cutter the angle between the face of the insert and the radius of the cutter is called ?

Answer 18

Radial rake angle

Question 19

what type of material is used to make bearings that are used on low speeds and light loads and require large clearances ?

Answer 19

Cast iron

Question 20

Which part of a vertical boring mill serves the same purpose as the cross slide of a lathe ?

Answer 20

The saddle

Question 21

Which type of contact used between a worm and a worm gear is the weakest type of drive ?

1. plain (point contact)
2. single enveloping (line contact )

Answer 21

2

Question 22

On a standard two axes machine with a programmable tailstock the ______ axis is used to identify the tailstock movement

Answer 22

Z axis dammit

Question 23

Which of the following is true with respects to hydraulic systems ?

1. power can be transmitted efficiently
2. the fluid is not flammable

Answer 23

1

Question 24

What is the largest diameter of machine screw available ?

Answer 24

1 inch ☝🏻☝🏻☝🏻☝🏻

Question 25

What type of key would be used in a 8 inch shaft

1. Square
2. flat

Answer 25

Flat key as anything over 5 inches uses a flat key

Question 26

which metal has the highest melting point

• tungsten
• copper
• nickel
• titanium

Answer 26

tungsten

Question 27

which of the following best describes a curved tooth file

1. used on soft metal like copper aluminum babbit and lead
2. they are used to produce smooth finish

Answer 27

1

Question 28

which of the following is true with respect to brown and sharp worm threads

Answer 28

it has a 29n degree angle with a very narrow root and crest

Question 29

the part of a hand held tap that does most of the cutting is the ?

Answer 29

chamfer

Question 30

what is the term used to decribe how much pull a maetal can take with out breaking

Answer 30

tensile hardness

Question 31

what type of chisel is used to to cut oil grooves in journal bearings

Answer 31

round nose

Question 32

what is the main difference between rotary files and rotary burrs

Answer 32

the cutting tooth line is broken

Question 33

which of the following best describes the lip clearence

• it is provided by grinding the heel lower than the cutting edge
• it extends from the chiseled edge to the margin

Answer 33

it is provided by grinding the heel lower than the cutting edge

Question 34

what principal of measurment does a rotary encoder use ?

Answer 34

indirect

Question 35

back rake angles are ground the the ____of the tool

Answer 35

face

Question 36

what is the process of imparting a contour to a wheel face called ?

Answer 36

crush dressing

Question 37

what is zero suppression?

Answer 37

it allows dimentions toto be written without zeros after the decimal point