Electrical Fundamentals Flashcards

1
Q

What are the primary effects of Electric shock?

A
  • Shock
  • Burns
  • Unconsciousness
  • Respiration Stops
  • Reduction of Blood Circulation
  • Death
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What to consider when isolating Electric Shock victims?

A
  • Safety to yourself
  • Safety to the passengers
  • Isolate power
  • Tend to victim
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What should your Safety Attitude be?

A

Obey all warning signs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What are the 4 Electrical Terminologies?

A
  • Volts
  • Ampere (Amps)
  • Resistance
  • Positive and Negative
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What does Volts mean?

A

The unit of measurement for electrical potential

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are the 2 electrical current flows?

A
  • Direct Current (DC)
  • Alternating Current (AC)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is a Switch called when it is closed?

A

On

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is a Switch called when it is opened?

A

Off

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What Circuit Protection is built into all EMU electrical circuits?

A

Circuit Breakers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Can Circuit Breakers be used as Switches to switch circuits or equipment off?

A

No

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Can Circuit Breakers be reset?

A

Not until a fault has been determined and it is considered safe to do so

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is Rheostatic/Electro Dynamic Braking?

A

Using traction motors as a generator to provide mechanical resistance onto the rotating axle of a motor car

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

An Electric Motor raises the Pantographs in which trains?

A
  • X’Trapolis
  • Siemens
How well did you know this?
1
Not at all
2
3
4
5
Perfectly