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Worksheetsmonthly test 2025
Total questions: 40
Worksheet time: 24mins
What is the primary function of an alternator in a vehicle?
To start the engine
To charge the battery and power the electrical system while the engine is running
To reduce engine emissions
To increase fuel efficiency
Which component of an alternator is responsible for converting mechanical energy into electrical energy?
Voltage regulator
Battery
Rotor
Stator
What is the role of the rectifier in an alternator?
To control the output voltage
To convert AC to DC
To store electrical energy
To generate mechanical energy
How does a starter motor function when starting an engine?
It charges the battery
It converts chemical energy to mechanical energy
It uses electrical energy to turn the engine's flywheel
It regulates the engine's electrical system
What is the purpose of the drive gear in a starter motor?
To regulate voltage
To engage with the flywheel
To store electrical energy
To convert DC to AC
What happens if the voltage regulator in an alternator fails?
The battery will overcharge
The starter motor will not function
The headlights will turn off
The engine will immediately stop
Pneumatics is concerned with a system that uses:
Oil
Expanded air
Compressed air
Electricity
A type of pressure control valve that limits the maximum
pressure in a hydraulic or pneumatic circuit.
Pressure Relief Valve
Valve
Volume
Viscosity
A device used to create flow in a hydraulic system.
Single-Acting Cylinder
Pump
Reservoir
Solenoid
A device that holds the compressed air in a pneumatic
system.
Reservoir
Pump
Receiver Tank
Valve
The tank that holds the fluid in a hydraulic system.
Solenoid
Transmission Lines
Pressure Relief Valve
Reservoir
Any device that controls, either automatically or manually, the
flow of a fluid.
Valve
Pressure Relief Valve
Reservoir
Solenoid
A measure of a fluid’s thickness or resistance to flow.
Single-Acting Cylinder
Pump
Viscosity
Volume
The amount or quantity of something.
Volume
Viscosity
Valve
Transmission Lines
What is this
air hammer
air ratchet
air impact wrench
air nozzle
What are pneumatic tools driven by?
Pressurized air
Electricity
Compressed gas
Pressurized hydraulic fluid
Which tool should be used to torque a fastener?
What type of fastener is this?
Wing Nut
Castle Nut
Hex Nut
Acorn Nut
What is the first step you should take before performing maintenance on a pneumatic tool?
Remove all accessories
Disconnect the air supply
Apply oil to the moving parts
Consult the user manual
Hydraulics is a branch of science and engineering concerned with the use of liquids to perform
Mechanical task
Electronic task
Electrical task
Magnetic task
Where can you look on your car to see a good example of a basic piston- driven hydraulic system?
The instrument panel
The brake system
The radio system
What are the beads of a tyre usually constructed from?
Steel wire
Fibreglass
Nylon
Neoprene
What is the primary function of a tyre?
To provide traction
To support the vehicle’s weight
To absorb road shocks
All of the above
What is the purpose of the tyre tread pattern?
To enhance the appearance of the tyre
To improve fuel efficiency
To provide better grip and water dispersion
To reduce tyre noise
All materials or equipment should be
Placed on top of the car, within reach
Used carefully and stored properly
Kept only on the highest shelf
Used to its limit
