plumbing science Flashcards
1
Q
what is electricity
A
it generates power
2
Q
what is mass measured in?
A
Kilograms (kg)
3
Q
what is length measures in?
A
meters (m)
4
Q
what is time measured in?
A
seconds (s)
5
Q
what is electrical current measured in?
A
amphere (a)
6
Q
what is temperature measured in?
A
kelvin (k)
7
Q
what is the symbol for pressure bar?
A
b
8
Q
what is the symbol for pressure pascals?
A
pa
9
Q
what is everything on earth made up of?
A
atoms
10
Q
above what temperature do calcium carbonates start to level hard water
A
above 75 degrees celsius
11
Q
what is a drawback of soft water
A
pipe corrosion, environment impact, health risks
12
Q
what is the pH value of water
A
7
13
Q
can there be overlapping of the two subsystems
A
because of pollution issues, there must be a separation
14
Q
what basic laws of nature does plumbing follow
A
gravity, pressure
