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Refridgeration 101 Midterm > 101e > Flashcards

101e Flashcards

1
Q

Service wrench is used for

A

Opening and closing compressor valves

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2
Q

Fin combs are used to

A

Straighten evaporator and condenser coils

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3
Q

Manifold and gauge set

A

Accurately diagnose and service refrigeration and air conditioning systems

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4
Q

Low side gauge is

A

Blue

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5
Q

High side gauge is

A

Red

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6
Q

Centre hose is

A

Yellow

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7
Q

Types of screwdrivers

A

Allen key
Torx
Robertson (square)
Phillips(cross)
Cabinet(straight)

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8
Q

How many Phillips screwdriver sizes

A

5 (0,1,2,3,4)

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9
Q

How many Robertson screwdriver sizes

A

4
(0 yellow, 1 green, 2 red, 3 black)

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10
Q

Two types of wrenches

A

Closed and open

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11
Q

Combination wrench is both

A

Open and closed

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12
Q

What wrench is used on black iron

A

Pipe wrench

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13
Q

On a saw if the blades are close together it is used for

A

Metal

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14
Q

On saw if blades are further apart it’s used for

A

Wood

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15
Q

4 types of teeth for saw

A

14 teeth per inch
18 teeth per inch
24 teeth per inch
32 teeth per inch

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16
Q

Do you store hacksaws with the blade loose

A

Yea

17
Q

Do you store a hacksaw with the blade a little loose

A

Yes to prevent frame distortion

18
Q

Power tools must be ungrounded (yes or no)

A

Yes if not double insulated

19
Q

Alcohol ambient temperature reading

A

-40F to 172°F

20
Q

Mercury ambient thermometer range

A

-38.02°F to 674.04°F

21
Q

A bimetallic thermometer has

A

Two dissimilar metals

22
Q

The difference between the dry and wet bulb temperatures is called

A

Wet bulb declination

23
Q

One pound per square inch is equal to how many microns

A

25,400

24
Q

Vacuum gauges are often called

A

Micron gauges

25
Q

Hygrometer is another name for

A

Sling physcrometer

26
Q

A quality vernier caliper is considered accurate to 0.001 inch
True or false

A

True

Refridgeration 101 Midterm (6 decks)

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