WorksheetsIMI Lvo3 Auto electric level 2
Total questions: 22
Worksheet time: 11mins
What is the unit of electrical measurement for pressure
Volts
Amps
Ohms
Watts
What is the unit of electrical measurement for Resistance
Volts
Amps
Watts
ohms
What is the unit of electrical measurement for Power
Volts
Amps
Ohms
Watts
What is the unit of electrical measurement for Current
Volts
Amps
Ohms
Watts
When disconnecting a battery which lead comes of first?
positive
negative
The dogs
The church roof
Your colleague gets an electric shock while using a drill, what is the best course of action?
Film it for tik tok
put it on insta
Switch the power off and call an ambulance
Run around screaming
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
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
1. 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
a) oxygen, hydrogen and nitrogen
What is the purpose of the regulator
To regulate the pulses
To regulate flow of electrons
To stop the battery charge rate exceeding 14.5V
To stop the battery from discharging fully
What is a thermistor?
sensor that is pressure sensitive
sensor that is temperature sensitive
diode that is temperature sensitive
transistor that is temperature sensitive
Current flow in a circuit is measured in series using:
a volt meter
an ammeter
an ohm meter
a dwell meter
A starter motor converts
electrical energy to mechanical energy
Mechanical energy to electrical energy
The alternator stator is found:
in the slip ring
in the rotor
in the rectifier
in the casing
In a vehicle alternator the rectifier pack:
converts DC to AC
converts AC to DC
has a zener diode
regulates the voltage
1. To avoid damaging an ammeter you should only connect it:
a) in parallel with circuit components
b) in series with circuit components
c) between positive and negative
d) between negative and positive
in parallel with circuit components
in series with circuit components
between positive and negative
between negative and positive
1. How should a voltmeter and ammeter be connected to measure the resistance in a switch?
The voltmeter should be connected in parallel and the ammeter in series with the switch
The voltmeter and the ammeter should both be connected in parallel with the switch
The voltmeter and the ammeter should be connected in series with the switch
The ammeter should be connected in parallel and the voltmeter in series with the switch
1. The light from a front fog light is dim. Which of the following is NOT a possible cause of the fault?
Corroded earth connection
Corroded light reflector
Open circuit supply cable
Corroded supply cable
1. When the starter switch is operated the pre-engaged starter motor turns the engine very slowly. Which of the following is NOT a possible cause of the fault?
A corroded battery connection
A loose starter cable
A partially discharged battery
A defective roller clutch
1. What is the optimum charging voltage for a vehicle with a 12V electrical system?
12.8V
13.6V
14.4V
16.2V
An ammeter is connected in series with a 12 volt lamp and shows a current flow of 2amp. What is the power rating of the lamp?
6 Watt
6 Ohm
24 Ohm
24 Watt
In an electrical circuit electrons flow:
when there is a battery connected
where there is a potential difference
when there is a number of electrons present
where there are wires connected
