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Refrigerstion Shop Final > Extra Practice > Flashcards

Extra Practice Flashcards

1
Q

Brazing filler metals range between

A

1100-1500°

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2
Q

95/5 solder is

A

95% tin
5% antimony

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3
Q

Cast iron is

A

Porous and brittle

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4
Q

Grade 1 low carbon steel is rated for how many psi

A

65,000

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5
Q

Grade 5 medium carbon steel is

A

120,000

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6
Q

Grade 8 medium carbon alloy is good for how many psig

A

150,000

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7
Q

Removal of bolts with lock thread require

A

Heat

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8
Q

Plastic pipe should not be used for liquid propane and it cannot be used for the first 10ft from the outlet of a vapourizer
True or false

A

True

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9
Q

Safety codes act ensures comprehensive public

A

Safety program for Albertans

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10
Q

Robertson screwdriver #2 is

A

Red and 8-10

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11
Q

Green Robertson is #

A

1 and 5-7 sizes

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12
Q

Phillips sizes

A

1= 2-4

#2= 5-9
#3= 10-16

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13
Q

Vacuum gauges are in

A

Microns

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14
Q

Who is responsible for creating the refrigeration and air conditioning mechanic apprenticeship program

A

The province apprenticeship committee

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15
Q

What is a blueprint set

A

Plans for all aspects of a building construction

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16
Q

An installer should always utilize the strongest fasteners

A

False

17
Q

If threaded fastener with thread lock how do you get it off

A

Heated

18
Q

The word spool is used to describe an arrangement of pipe and fitting

A

True

19
Q

Soldering to join copper uses filler metals that melt above 1100°F

A

False 800°F

20
Q

My employer had a legal obligation to provide me with the PPE required to perform safety for my job

A

False

21
Q

What limits the accuracy of an ir thermostat

A

Reflection of light on the surface being measured

22
Q

With refrigeration the term tube and pipe are sized by

A

Tube inside diameter and pipe outside diameter

23
Q

Which hearing do you not grease

A

Roller

Refrigerstion Shop Final (10 decks)

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