DWV
When sizing an ind. or duel vent, the length is taken into consideration? True or False
False
What sizes and lengths are H copper available in?
1/2", 3/4", 1" and 12'
What is the coating used on galvanized steel pipe
Thin layer of zinc
What are the 4 types of files?
Single
Double
Rasp
Curved
Any sudden movement of the load by the hoisting equipment can produce what?
Shock Loading
Minimum nominal pipe size of a vent pipe that serves a man hole within a building shall be what size?
NPS 2in
How much more expansion does copper have over steel/iron?
1.4 times more
What does the abbreviation CWP mean?
Cold working (water) pressure
(blank) supplies a rapid impacting and rotary action for drilling through masonry and concrete?
Hammer Drill
Which type of triangle is formed when using the recommended safe lifting angle for sling legs
Equilateral
What is the minimum horizontal length to support Hydraulic jump in exact feet?
4.9215'
In what division does it state "types M and DWV copper tube shall not be bent?
Division B
What is the spacing length for nps >6, 6<and horizontal supports
3.75, 2.5, 7.5
Most air tools are designed to operate at what pressure?
90 psi
Working load limit of a 5/8'' chain?
18,000lbs
A clean out serving drains in a health care facilities where contamination by hazardous waste is likely, shall be located at min of _______ mm above flood level rim of the fixture
150
What is the composition of Bridgit solder? Name all 5 and percentage
90%-tin
3%-copper
1.5%-silver
0.5%-nickel
5%-antimony
What is the max. rated pressure for skid 80 pipe containing cold water, oil, gas, or air?
2000 psi
What hand tool allows you to use angles from 0 to 180 to mark on the surface of the pipe or other cylindrically shaped object.
Bevel Protractor
Wire rope blocks are typically used on overhead hoists and cranes. The main parts of the block are what?
(theres 4)
Shell
Sheaves
Center Pin
Straps
What is the max. permitted hydraulic load drained to a sanitary building drain or sewer for 12" pipe at 1 in 133 slope
4500 FU
In the 1800's what was the metal that was used to make large kettles to brew beer
Copper
What are the 4 parts to a pipe thread?
Roots
Crest
Angle
Pitch
What pressure does manufactures test tools at in psi?
90 psi
What is the working load limit for 5/16" shoulder type forged carbon steel eye bolts at a 75 angle
440 lbs