C&G 203 Electrotechnology

The calculation for Voltage drop is:

mV/A/M x L x ?

• Ib

• In

• Iz

• Id

TN-C-S, TT and TN-S are types of?

• Rapper

• Motorbike

• Earthing System

• Bonding System

Super Grid Voltage is?

• 33kV

• 33V

• 400V

• 400kV

Electricity can be generated by?

• Rubbing hands together

• Channeling pressurised steam through a turbine

• Placing Heat Pumps in a garden

• Using a battery

Where would you use Grey Water?

• In the bath?

• In the toilet?

• In the shower?

• To drink?

A P-N Junction is normally found in -

• After the A46 turn off for Leicester Forest East

• MCB's

• Solar Panels

• Wind Turbines

A "Cold Tail" is found where?

• In underfloor heating

• A Puppy Farm

• A functional Earth in RCBO

• A 19th Century Novel

MCB's work how?

• Thermic and Magnetic

• Tidal and Polar

• Chemical and Electronic

• Wind and Solar

An RCD will trip when it

• Misses a step

• Snags a carpet

• Notices an imbalance in the force

• Notices a residual current to Earth

An advantage of Hydro Generation is:

• It's cheap to build

• It can be built anywhere

• Water will never run out

• It can be generated quicker than other forms of generation