24 Electrical Components

A colleague suffers an electric shock when using an electric drill. Your first action is:

•               pull the drill away from them

•              ring the emergency services

• inform your supervisor

•              switch off the power supply

The unit of electrical power is the:

• Watt

• Amp

• Volt

• Coulomb

A repair on a customer's vehicle is held up because you are awaiting parts to be delivered. You should:

• make yourself busy by cleaning up your work area

• finish any aspects you can until the parts arrive

• immediately inform your supervisor of the problem

• stop working on the vehicle and wait for the parts

A lamp with a poor earth connection will cause:

• the lamp to be brighter

• the bulb to blow

• the circuit fuse to blow

• the lamp to be dim

What is the maximum reading the meter can display with the switch in the selected position?

• 10 amps

• 20 volts AC

• 20 volts DC

• 12 volts DC

A car's battery has gone flat. To start the engine you should:

• connect a spare battery to the car's alternator

• connect a spare battery in series to the car's battery

• connect a spare battery in parallel to the car's battery

• connect a spare battery to the car's starter motor

The three elements necessary to produce a fire are:

• H2O, a fuel source and CO2

• carbon dioxide, nitrogen and an ignition source

• oxygen, a fuel source and an ignition source

• oxygen, hydrogen and nitrogen

An LED is a type of:

• diode used in rectifiers

• electronic sensor

• transistor that emits light

• diode that emits light

A thermistor is a type of:

• transistor that is temperature sensitive

• diode that is temperature sensitive

• sensor that is temperature sensitive

• sensor that is pressure sensitive

In relation to a vehicle, what does the abbreviation 'VIN' mean?

• a)              Valve Induction Number

• a)              Vehicle Information Number

• Vehicle Identification Number

• Vehicle Interpretation Number