Plumbing Science Flashcards
1
Q
What is the measurement for Power?
A
Watts
2
Q
The Domestic Voltage is?
A
230V
3
Q
What is the calculation for Ohms law?
A
Voltage x Current / resistance
4
Q
What does AC stand for?
A
Alernative Current
5
Q
What does DC stand for?
A
Direct Current
6
Q
What is symbol for current
A
I
7
Q
How is TNCS earthed?
A
TNCS from neutral
8
Q
How TT earthed?
A
TT is earthed with a rod
9
Q
How is TNS earthed
A
TNS from an armoured cable
10
Q
What is the primary difference between force and pressure?
A
Pressure is the measure of an object’s mass
11
Q
What role do fluids play in a hydraulic system?
A
They provide lubrication.
12
Q
Frequency for the UK is?
A
50Hz
13
Q
What is the SI base unit for length?
A
Metre
14
Q
How many Pascals are equivalent to 1 bar of pressure?
A
100,000 Pa
15
Q
A
