???????
A2+B2=C2n
What is the equation for Pythagoras theorem
Always done at the relay end
where will a drop shunt always be carried out
HGE
what is the abbreviation for a yellow signal lamp?
24v
What voltage is a yellow AWS magnet?
T/J
What is the abbreviation used for a transformer rectifier
A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws
What is the third law of robotics
6V
What voltage is a low voltage track circuit?
minimum 3
What is the minimum amount of lamps required to light a route indicator
60V
What voltage are green AWS Magnets
WZR
What is the abbreviation for a points special relay?
66.65 million
What is the population of the UK
TC03
which mtce task is followed for DC track circuits,
Closest to the drivers eye
Where is the red in relation to the signal head and post.
Where there is third rail traction
Where will a green AWS be used
Checking or proving
What does the letter C stand for?
1825 AD
What year was the first railway in the UK built
Series bonding
What is the preferred method of bonding
requires HR, HHR, DR to be picked
which relays are required to light a green aspect in the signal?
Dissipates any back EMF from affecting the circuit
what is the purpose of the diode in an AWS circuit?
route lamp checking repeat relay
What does UECPR stand for?
LNER Class A3 4472
What class of train is the flying Scotsman?
10A
What is the value of the fuses located at the bottom of the location case, mid way through the DC track circuit
A position light will be used
Which signal will be used to allow the signaller to use a call on route
using a coil wrapped round the permanent magnet.
How does a suppressor work / is configured?
a prefix
What is the name given to letter at the beginning of the nomenclature