More Stuff Flashcards
What is the color coding used for medical air piping labeling in a medical gas system?
Background - black and white
Lettering - white and black checkered
What is the color coding used for oxygen piping labeling in a medical gas system?
Background - white
Lettering - Green
What do you need to know to size the water distribution pipe using the small commercial method?
- Length from building isolation to furthest fixture
- Calculate available pressure after isolation
- Fixture units
How do you calculate the available pressure after isolation?
How do you calculate pressure loss from elevation gain?
(Pressure at meter) - (pressure loss through meter) - (pressure loss through DCVA) - (pressure loss from elevation gain from isolation to furthest fixture)
Pressure loss from elevation gain = 10 KPa per 1 m
What do you need to know to size the water service pipe using the small commercial method?
- Length of pipe from property line to building isolation
- Static pressure of the water service pipe
- Total fixture units
How do you calculate the static pressure of the water service pipe?
Pressure at property line (given) - (pressure loss from elevation gain from property line to building isolation)
How do you know when to use low temperature flux? High temperature flux? No flux?
High temperature flux - brazing
Low temperature flux - soldering
No flux -brazing same materials (ex: copper to copper)
Water with a gpg count of over 10.5 would be considered?
Very hard water.
Water with a gpg count of 7.0 to 10.5 would be considered?
Hard water.
Water with a gpg count of 3.5 to 7.0 would be considered?
Moderately hard water.
Water with a gpg count of 1.0 to 3.5 would be considered?
Slightly hard water.
Water with a gpg count of less than 1.0 would be considered?
Soft water.
What does NC refer to? And where would you find this thread?
National course. Ready rod.
