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6 Month 5 > Tpc 106 Non-metals In The Plant > Flashcards

Tpc 106 Non-metals In The Plant Flashcards

1
Q

A liquid has a _______ shape and a _____ volume

Changeable; changeable
Changeable; Fixed
Fixed; changeable
Fixed; fixed

A

Changeable; fixed

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2
Q

Kilograms per cubic meter (kg/m3) is the unit of metric measurement for

Density
Mass
Specific gravity
Weight

A

Density

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3
Q

The temperature of a liquid decreases as it

Boils
Condenses
Evaporates
Freezes

A

Evaporates

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4
Q

During laminar flow, the fluid in a pipe

Causes excessive wear
Moves in parallel layers
Slows down
Speeds up

A

Moves in parallel layers

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5
Q

The solubility of a gas in a liquid is usually ______ at the liquids boiling point

Highest
Lowest
Measured
Impossible to measure

A

Lowest

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6
Q

Plastic that can be reheated and reshaped many times are called

Polymers
Thermoplastics
Thermosets
Thixotropic formulations

A

Thermoplastics

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7
Q

What method of molding produces intricate parts at high speed and low cost?

Blow molding
Injection molding
Thermoforming
Transfer molding

A

Injection molding 

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8
Q

In filament winding, glass fiber is wound around a form, called a(n)

Insert
Mandrel
Patch
Plate

A

Mandrel

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9
Q

When drilling most plastics, you should reduce the feed rate just before the drill point ______ the work

Enters
Penetrates the far side of
Reaches the middle of
Reacts from

A

Penetrates the far side of

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10
Q

When preparing an area of corroded surface to be patched, which side of the material should be cleaned?

Inside
Outside
Both sides
Neither side

A

Both sides 

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11
Q

If stretched to twice it’s normal length and released, an elastomer will

Break
Remain greatly deformed
Remain somewhat deformed
Return to its original shape

A

Return to its original shape

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12
Q

Class T rubber compounds resist damage from

Extreme pressure
Extreme temperature
Ozone
Petroleum products

A

Extreme temperature

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13
Q

Most rubber compounds are

Flammable
Good conductors of electricity
Permeable
Resistant to Ozone

A

Flammable

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14
Q

In vulcanization, the more sulfur, that is added, the _______ the rubber becomes

Harder
Less usable
More unstable
Softer

A

Harder

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15
Q

What characteristic is most important in the rubber coating of wire in extension cords?

Flexibility
Heat resistance
Permanent set
Thickness

A

Flexibility

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16
Q

Cutting a log lengthwise through or near its centerline produces a ________ cut

Cross
radial
Tangential
Traverse

A

Radial

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17
Q

The actual length of a board is stated in ______ feet. Lumber is sold in ______ feet

Board; running
Bored; square
Running; board
Running; square

A

Running; board

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18
Q

The best Veneer in softwood plywood is graded

A
B
C
N

A

N

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19
Q

What with many knots should not be used for structural support because it is

Difficult to cut
Too expensive
Unsightly
Weak

A

Weak

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20
Q

How deep should the pilot hole for a screw be drilled in softwood?

1/8 in.
Half the screw length
The full screw length
Clear through the word

A

Half the screw length

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21
Q

Air-entrained concrete is commonly used for

Interior structures
Loadbearing structures
Structures exposed to severe cold
Structures that must set quickly

A

Structures exposed to severe cold

22
Q

Cinder block is commonly used for construction

Above ground
Below ground
Of backing tiers for walls
Of fire walls

A

Above ground

23
Q

Type N mortar is a ______-strength mortar used for _______-bearing clay tile construction.

High; load
Medium; load
Low; load
Low; nonload

A

Medium; load

24
Q

Which type of plaster sets very quickly and should be used only for small patching jobs?

Cement plaster
Hard finish plaster
Plaster of Paris
Special plaster

A

Plaster of Paris

25
Q

23 7/8” x 26 7/8”
24” x 27”
27” x 30”
30” x 33”

A

23 7/8” x 26 7/8”

26
Q

Convection heat is the

Flow of heat from molecule to molecule
Heat that comes directly from a fire
Transfer of heat by fluids
Transmission of heat through space by invisible waves

A

Transfer of heat by fluids

27
Q

What type of insulation can withstand both high and low temperatures, is chemically inert and may use be used in ovens and freezers?

Asbestos
Cellular rubber
Cork
Mineral wool

A

Mineral wool

28
Q

You can use lead sheet or plastic film for

Absorbing sound at high frequencies
Protection in x-ray machines
Reducing vibration of pipes or ducts
Reflecting sound

A

Reducing vibration of pipes or ducts

29
Q

An asphalt coating serves as a(n)_______ on the outside of underground walls

Electrical insulator
Insulation adhesive
Moisture barrier
Vibration isolator

A

Moisture barrier

30
Q

Which of the following materials has the highest dielectric strength?

Air
Mica
Porcelain
Rubber

A

Mica

31
Q

The part of a paint that binds solid particles into a uniform film is called the

Pigment
Primer
Substrate
Vehicle

A

Vehicle

32
Q

The single most important factor for success in painting a structure is

Method of application
Paint quality
Primer additives
Surface preparation

A

Surface preparation

33
Q

In sandblasting, the intensity that produces the best anchor pattern for paint is called______ blasting

Commercial
Feather
Sand brushoff
White

A

White 

34
Q

The color specified by a ANSI to indicate first-aid stations and safety equipment in a plant is

Blue
Green
Orange
Yellow

A

Green

35
Q

The process of melting zinc with an oxyacetylene flame and spraying it onto a metal surface for protection is called

Electrogalvanizing
Electrostatic air spraying
Metalizing
Priming

A

Metalizing

36
Q

Which pH value below indicates an acid solution?

5
7
9
11

A

5

37
Q

The solvent, _______, should not be used for cleaning because it’s highly flammable and irritates the skin

Gasoline
Kerosene
Perchlor
Tricolor

A

Gasoline

38
Q

You should use ________ acid to dissolve hard water deposits in heating and cooling systems

Muriatic
Nitric
Phosphoric
Sulfamic

A

Sulfamic

39
Q

Chemicals used to prevent the formation of scale in piping systems and boilers are called

Glycols
Phosphates
Polyelectrolytes
Sequestrants

A

Sequestrants

40
Q

Fires involving electrical equipment and wiring are designated

Class A
Class B
Class C
Clase D

A

Class C 

41
Q

The completion of all chemical and physical reactions that affect adhesive bonding is called 

Assembly time
Curing
Drying
Working time

A

Curing

42
Q

An adhesive made of water soluble gums, and starches is called

Casein glue
Hot melt
Mucilage
Resin glue

A

Mucilage

43
Q

The strongest adhesive joint is the____ joint

Bevel lap
Butt
Lap
Scarf

A

Bevel lap

44
Q

Good electrical insulation is provided by_______tape

Double coated
Fibrous paper
Pressure sensitive
Rubber

A

Rubber

45
Q

Tapes coated with fluorescent adhesive are used where service conditions include

Excess moisture
High temperatures
Low temperatures
Slippery surfaces, 

A

High temperatures

46
Q

Activated carbon is widely used for

Absorbing impurities
Absorbing sound
Insulating electrical equipment
Protecting surfaces from corrosion

A

Absorbing impurities

47
Q

At room temperature carbon is chemically

Active
Reactive
Inert
Volatile

A

Inert

48
Q

Excessive noise in electric hand tools often indicates

I need for lubrication
Carbon brush problems
Lose bits or blades
Worn gears

A

Carbon brush problems

49
Q

Nonporous carbon seals are used in applications where

Controlled leakage is desirable
Even a tiny leak would be harmful
Liquid pressure do not exceed 35 psi
Liquid pressures do not exceed 50 psi

A

Even a tiny leak would be harmful 

50
Q

In shaft seals that have two individual packing rings the joints should be positioned._______• apart

90
120
180
240

A

180

6 Month 5 (8 decks)

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