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5th Sixth Month Final > TPC 106 > Flashcards

TPC 106 Flashcards

1
Q

A liquid has a _________ shape and a _________ volume.

A

Changeable; Fixed

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2
Q

Kilograms per cubic meter (kg/m^3 ) is the unit of metric measurement for

A

Density

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3
Q

The temperature of a liquid decreases as it

A

Evaporates

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4
Q

During laminar flow, the fluid in a pipe moves

A

In parallel layers

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5
Q

The solubility of a gas in a liquid is usually _________ at the liquid’s boiling point.

A

Lowest

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6
Q

Activated carbon is widely used for

A

Absorbing impurities

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7
Q

At room temperature, carbon is chemically

A

Inert

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8
Q

Excessive noise in electric hand tools often indicates

A

Carbon brush problems

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9
Q

Nonporous carbon seals are used in applications where

A

Even a tiny leak would be harmful

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10
Q

In shaft seals that have two individual packing rings, the joints should be positioned _____° apart.

A

180

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11
Q

Plastics that can be reheated and reshaped many times are called

A

Thermoplastics

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12
Q

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

A

Injection molding

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13
Q

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

A

Mandrel

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14
Q

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

A

Penetrates the far side of

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15
Q

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

A

Both sides

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16
Q

If stretched to twice its normal length and released, an elastomer will

A

Return to its original shape

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17
Q

Class T rubber compounds resist damage from

A

Extreme temperature

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18
Q

Most rubber compounds are

A

Flammable

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19
Q

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

A

Harder

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20
Q

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

A

Flexibility

21
Q

Cutting a log lengthwise through or near its centerline produces a _________ cut.

A

Radial

22
Q

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

A

Running; Board

23
Q

The best veneer in softwood plywood is graded

A

N

24
Q

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

A

Weak

25
Q

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

A

Half the screw length

26
Q

Air-entrained concrete is commonly used for

A

Structures exposed to severe cold

27
Q

Cinder block is commonly used for construction

A

Above ground

28
Q

Type N mortar is a _________-strength mortar used for _________-bearing clay tile construction

A

Medium; load

29
Q

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

A

Plaster of paris

30
Q

Convection heat is the

A

Transfer of heat by fluids

31
Q

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

A

Mineral wool

32
Q

You can use lead sheet or plastic film for

A

Reducing vibration of pipes or ducts

33
Q

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

A

Moisture barrier

34
Q

Which of the following materials has the highest dielectric strength?

A

Mica

35
Q

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

A

Vehicle

36
Q

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

A

Surface preparation

37
Q

In sandblasting, the intensity that produces the best anchor pattern for paint is called _________ blasting.

A

White

38
Q

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

A

Green

39
Q

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

A

Metalizing

40
Q

Which pH value below indicates an acid solution?

A

5

41
Q

The solvent, _________, should not be used for cleaning because it is highly flammable and irritates the skin.

A

Gasoline

42
Q

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

A

Sulfamic

43
Q

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

A

Sequestrants

44
Q

Fires involving electrical equipment and wiring are designated

A

Class C

45
Q

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

A

Curing

46
Q

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

A

Mucilage

47
Q

The strongest adhesive joint is the _________ joint.

A

Bevel-lap

48
Q

Good electrical insulation is provided by _________ tape.

A

Rubber

49
Q

Tapes coated with fluorocarbon adhesives are used where service conditions include

A

High temperatures

5th Sixth Month Final (4 decks)

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