Extra Practice Flashcards
Brazing filler metals range between
1100-1500°
95/5 solder is
95% tin
5% antimony
Cast iron is
Porous and brittle
Grade 1 low carbon steel is rated for how many psi
65,000
Grade 5 medium carbon steel is
120,000
Grade 8 medium carbon alloy is good for how many psig
150,000
Removal of bolts with lock thread require
Heat
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
True
Safety codes act ensures comprehensive public
Safety program for Albertans
Robertson screwdriver #2 is
Red and 8-10
Green Robertson is #
1 and 5-7 sizes
Phillips sizes
1= 2-4
#2= 5-9
#3= 10-16
Vacuum gauges are in
Microns
Who is responsible for creating the refrigeration and air conditioning mechanic apprenticeship program
The province apprenticeship committee
What is a blueprint set
Plans for all aspects of a building construction
An installer should always utilize the strongest fasteners
False
If threaded fastener with thread lock how do you get it off
Heated
The word spool is used to describe an arrangement of pipe and fitting
True
Soldering to join copper uses filler metals that melt above 1100°F
False 800°F
My employer had a legal obligation to provide me with the PPE required to perform safety for my job
False
What limits the accuracy of an ir thermostat
Reflection of light on the surface being measured
With refrigeration the term tube and pipe are sized by
Tube inside diameter and pipe outside diameter
Which hearing do you not grease
Roller
