WorksheetsEV Quiz
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
To generate electric power, most fuel cells require a supply of:
a)
nitrogen
b)
hydrogen
c)
helium
d)
argon
2.
What unit of power would be used to refer to the output of an electric motor?
a)
Ohms
b)
Watts
c)
Volts
d)
Newton Meters
3.
The purpose of Ohm's Law is to calculate the relationship between:
a)
voltage, current and resistance
b)
current, charging and power
c)
power, consumption and voltage
d)
power, acceleration and amps
4.
If required to locate the high energy cabling running from the front to the rear on an electric/hybrid vehicle, what would you look for and where would it most likely be?
a)
Located in the roof lining and coloured orange
b)
Located in chassis box section and inaccessible
c)
Under the interior carpeting with the normal cabling
d)
Under the vehicle and brightly coloured cables or covers
5.
Which of the following components make up the electric powered high voltage system?
a)
Internal combustion engine, charger, battery
b)
Inverter, battery, internal combustion engine
c)
Low energy battery, battery management system, electric motor
d)
High energy battery, battery management system, electric motor
6.
Increasing the cross-sectional area of wire, or the number of strands of wire in a cable:
a)
Increases electrical resistance to flow
b)
Increases maximum current flow capability
c)
Decreases potential flow of data information
d)
Decreases maximum voltage potential capability
7.
Most drive motors used by electric/hybrid vehicles contain:
a)
Armature Windings
b)
Switched Reluctors
c)
Rectification Diodes
d)
Permanent Magnets
8.
The Europe wide common charging coupler system for electric vehicles is known as:
a)
Type 1 Charging Plug
b)
Type 2 Charging Plug
c)
The High Voltage Charging Plug
d)
The 3 Phase Type Charging Plug
9.
Why are the HV cable is orange in colour?
a)
To warn of high voltage
b)
To warn of high resistance
c)
To warn of harmful chemicals
d)
To warn of high temperatures
10.
Which of the following systems does the electric/hybrid vehicle system integrate with?
a)
Engine management, SRS, Braking system
b)
Engine management, SRS, Entertainment System
c)
Engine management, Braking System, Charging System
d)
Engine management, Entertainment System, Charging System
11.
Under which driving condition would the electric motor assist the powering of a parallel hybrid vehicle, assuming the state of charge is sufficient?
a)
Pulling away from stationary, braking, cruising
b)
Climbing inclines maintaining top speed braking
c)
Rapid acceleration, braking and when stationary
d)
Rapid acceleration when overtaking, normal cruising
12.
Under what conditions does a regenerative braking system recover energy?
a)
Acceleration and braking
b)
Braking and deceleration
c)
Stationary and accelerating
d)
Decelerating and accelerating
13.
Strong magnetic fields generated by the electric motor assembly can cause:
a)
interruption with immobiliser system
b)
interference with pacemakers
c)
ignition system misfires
d)
increased noise
14.
Why do you have to wait a certain period of time before carrying out any maintenance procedure?
a)
To allow time for transistors to charge
b)
To allow time for diodes to discharge
c)
To allow time for capacitors to charge
d)
To allow time for capacitors to discharge
15.
What are the 2 main precautions you must take before perfoming any work on or near the high voltage system?
a)
Turn off the ignition and check the auxiliary battery voltage
b)
Remove the ignition key and lock the doors
c)
Isolate the high voltage system and wait the appropriate time
d)
Read the fault code and clear any faults found
16.
DURING repair or diagnostic work on an electric / hybrid vehicle, the technician must:
a)
ensure electric park brakes are applied
b)
use a low voltage test lamp
c)
ensure the vehicle is accessible to all
d)
use calibrated and rated equipment
17.
AFTER carrying out repair or diagnostic work on an electric / hybrid vehcle, the technician must:
a)
make sure the vehiclke is fully valeted
b)
re-initialise the system using manufacturer's information
c)
ensure electric park brakes are released
d)
record the state of battery charge in the workshop log
18.
To isolate the high voltage system on a vehicle, it is essential to follow the:
a)
battery warning label instructions
b)
internet forum advice
c)
manufacturer's recommendations
d)
owner's handbook method
19.
When connecting an Electric vehicle to a HV charging point it is essential that:
a)
the vehicle low voltage battery is disconnected
b)
manufacturer's charging procedures are followed
c)
the vehicle cabin pre-heating system is switched off
d)
the vehicle is switched on so the driver interface is visible
20.
After electric/hybrid system repair, what essential functions would a diagnostic computer / scan tools be used for?
a)
Re-connect system
b)
Programming control unit
c)
Re-charge batteries
d)
Read fault codes, clear fault codes
21.
What is produced by a generator within a hybrid or electric vehicle system?
a)
Alternating Currents
b)
Direct Current
c)
Pulse width modulated
d)
Alternating and direct
22.
Apart from propulsion for the vehicle, what other function does the electric motor provide for the high voltage system?
a)
Braking effect and drive for the power steering
b)
Regenration of electricity for the axuriliary battery only
c)
Braking effect and regeneration of electricity to recharge the batteries
d)
None, electric motor is only designed for propulsion
23.
In the events of an EV Fire, which term correctly identifies the specific risk from the HV battery?
a)
Thermal Shock
b)
Thermal Arcing
c)
Thermal Melting
d)
Thermal Runaway
24.
It is specifically dangerous for a person with an insulin pump or similar medical device to work on an EV drive motor because of:
a)
High motor weight
b)
The battery chemistry
c)
Strong magnetic effects
d)
The electrical components
25.
An EV air conditioning compressor may represent additional hazards because:
a)
It can be made of expensive materials
b)
It can be part of the low voltage system
c)
It can be part of the high voltage system
d)
It can be difficult to access in the engine bay
26.
If an electric/hybrid is involved in an accident, what is the first step to safeguard the vehicle and ensure technician safety?
a)
Locate the main power switch and turn to the off position
b)
Locate the inertia switch and operate to immobilise the system
c)
None, system will automatically switch off the high energy electrical system
d)
Carry out vehicle visual inspection and seek further assistance before commencing
27.
What should you do if a charging cable from a electric/hybrid vehicle is found to be frayed or damaged prior to connecting to an external source?
a)
Connect to the external source as normal
b)
Do not connect the cable to the external source
c)
Insulate damage to the cable and connect to the external source
d)
Try to repair fray or damage and then connect to external source
28.
High voltage supply cables and components must have:
a)
Low insulation resistance and low current capacity
b)
Low insulation resistance and high current capacity
c)
High insulation resistance and low current capacity
d)
High insulation resistance and high current capacity
29.
When repair work is being carried out on a EV high voltage system, signage used should contain:
a)
The yellow danger warning sign
b)
The red high voltage warning triangle
c)
The yellow high voltage warning triangle
d)
The red and yellow danger warning square
30.
How can you ensure that the high voltage system is safe to work on following the isolation procedures?
a)
Touch the circuit with your finger briefly
b)
Use a voltmeter connected across the battery
c)
Turn on the ignition and see if the dash light come on
d)
Follow manufacturers information to check no high voltage present
31.
Which personal protective equipment would you use to minimise the risk when working on or near any part of the high voltage electrical system?
a)
Nitrile or latex gloves
b)
Standard safety footwear
c)
Approved insulated gloves
d)
Earthing lead connected to ankle
32.
If an EV needed to be heated in a spray booth what precaution should be taken?
a)
Remove HV cables
b)
Remove HV battery
c)
Insulate the drive motor
d)
Mask off the inverter assembly
33.
A multimeter and test leads/probes used on a hybrid vehicle must be a minimum of:
a)
CAT III 100 Volts
b)
CAT III 250 Volts
c)
CAT III 500 Volts
d)
CAT III 1000 Volts
34.
During repair of diagnostic work on an electric/hybrid vehicle, the technician must:
a)
Use a low voltage test lamp
b)
Use calibrated and rated equipment
c)
Ensure the vehicle is accessible to all
d)
Ensure electric park brakes are applied
35.
When carrying out normal servicing activities on the internal combustion engine of a hybrid vehicle:
a)
Ensure the ignition is on and the dash lights illuminated
b)
Ensure the ignition is off and key removed away from vehicle
c)
The low voltage and high voltage batteries should be disconnected
d)
There is no need to do anything different to a conventional engine vehicle
36.
After repair what would be the final check to ensure faults have been successfully rectified?
a)
Road test
b)
Check fault codes
c)
Check torque output
d)
Check state of charge
37.
Why are the cables highlighted in the image orange:
a)
To warn of harmful chemicals
b)
To warn of high resistance
c)
to warn of high temperatures
d)
To warn of high voltage
38.
The components shown in the image is an example of:
a)
an electric drive motor
b)
an alternator
c)
a pre-engaged starter motor
d)
an AC compressor
39.
The components within the red circle is known as the :
a)
Insulator
b)
Inverter
c)
Inductor
d)
Inducer
40.
The illustration shows two 6-ohm resistors connected in parallel with a 12V battery. What is the current flow through the resistors?
a)
4 amps
b)
0.5 amps
c)
7.2 amps
d)
2 amps
100 %
