Deck 21: Modern Manufacturing: Materials, Processes, and Automation

Question 1

Operations such as slitting, trimming, and shaving control size.

Answer 1

True

Question 2

A tool force should be directed toward the clamps and not the locators.

Answer 2

False

Question 3

The approximate percentage of shrinkage for steel is 3/16 of an inch per foot.

Answer 3

True

Question 4

The two most common types of jigs are plate and template.

Question 5

For a high volume of holes to be drilled, use a press-fit bushing.

Question 6

Centrifugal casting is the casting process that is also referred to as lost wax casting.

Question 7

There are usually six stations in a drop forge die.

Question 8

Template jigs are best used when speed is the prime consideration.

Question 9

When making a knurled handle on a hammer, a lathe should be used.

Question 10

Bending metal to a desired angle is called forming.

Question 11

A clamp should be positioned at the most rigid point of the part.

Question 12

The term lead time means that the interval of time from when the shop receives the drawing until production begins.

Question 13

Investment casting is the casting process that is also referred to as lost wax casting.

Question 14

When the workpiece is electromechanically charged, it becomes easier to machine.

Question 15

Heat treatment is used to change the metal's hardness, brittleness, and tensile strength.

Question 16

A drop hammer is the principal tool used in metal stamping.

Question 17

The lower part of a cutting tool used to stamp sheet metal is called the die.

Question 18

The cope and the cheek are terms used to describe the top and bottom sections of the flask used for casting.

Question 19

The amount of shrinkage and the amount of expansion must be considered when making a pattern for casting.

Question 20

Powder metallurgy is the process of combining metal particles with heat fusion.

Question 21

Which of the following is not one of the major factors to consider before any part is made?

A)the material the part will be made of
B)the overall size and shape of the finished object
C) types of operations required
D) the cost of manufacturing the part

Question 22

Tool bodies are generally made by:

A)powder metallurgy
B)forging
C) welding
D) extruding

Question 23

Which of the following is not true regarding the plate jig?

A)It is the most common form of jig.
B)It is the least common form of jig.
C) A typical variation of the plate jig is the table jig.
D) A typical variation of the sandwich jig is the table jig.

Question 24

The drill bushing that can most easily be replaced is:

A)press-fit
B)liner
C) slip-renewable
D) renewable

Question 25

Which of the following is not one of the four machine tools used for machining parts?

A)drill press
B)fixtures
C) milling machine
D) lathe

Question 26

Which of the following stamping operations does not produces holes?

A)punching
B)piercing
C) perforating
D) pressing

Question 27

Which of the following is not one of the stamping operations that produces blanks?

A)cutting off
B)shearing
C) trimming
D) blanking

Question 28

An advantage of using a laser to melt metal is:

A)extremely small holes
B)small heat-affected areas
C) easy control of the laser beam
D) all of the above

Question 29

Which of the following is not one of the primary methods used to fabricate manufactured products?

A)welding
B)extruding
C) stamping
D) forging

Question 30

Which of the following is the most common type of fixture?

A)plate fixture
B)angle plate fixture
C) vise jaw fixture
D) indexing fixture

Question 31

Which of the following is not one of the operations normally performed on a drill press?

A)cutting
B)tapping
C) reaming
D) drilling

Question 32

Most of the CNC machines today use _____ as the programming medium.

A)punch cards
B)punched tape
C) a computer
D) mylar tape

Question 33

Which of the following is not one of the four operations used to bend or form parts?

A)machining
B)drawing
C) forming
D) bending

Question 34

Which of the following is not one of the common forging processes?

A)rough forging
B)drop forging
C) press forging
D) rolling

Question 35

The most recent advancement phase in manufacturing is:

A)numerical control
B)integration
C) automation
D) mechanization

Question 36

The name of the process used to pour molten metal into a mold is called:

A)extrusion
B)casting
C) metallurgy
D) forging

Question 37

Which of the following is not an element of MRP II?

A)control database
B)planning database
C) functional database
D) marketing database

Question 38

Which of the following is not an element of JIT?

A)to eliminate waste
B)process synchronization
C) to build up inventory
D) each process receives its material just in time

Question 39

The most important principle to remember in any jig or fixture is:

A)repeatability
B)foolproofing
C) positioning
D) all of the above

Question 40

A bolt head is produced by using a process called:

A)upsetting
B)rolling
C) press forging
D) extruding

Question 41

If you were working with material that is extremely brittle and thin, which type of machining would be used?

A)photochemical
B)chemical
C) plasma
D) water jet

Question 42

The key terms to remember when discussing a robot are:

A)programmed and performance
B)specialized and reprogrammable
C) performance and specialized
D) reprogrammable and multifunctional

Question 43

Which of the following is not one of the four major components of a robot?

A)controller
B)operator
C) manipulator
D) tooling

Question 44

Which of the following is not a basic category of motion for a robot mechanical arm?

A)triangular
B)rectangular
C) cylindrical
D) spherical

Question 45

The best type of plastic to select for parts near a automobile engine would be:

A)Thermoset
B)Acrylic
C) Thermoplastic
D) Any plastic would be fine

Question 46

"FMS" refers to the _____ manufacturing system.

A)frequent
B)fluidic
C) factory
D) flexible