Diploma in GA yr 1, LU

What is the scientific definition of power?

• The ability to do work

• The rate at which energy is consumed

• The ability to generate electricity

• The rate at which work is done

What is the SI unit for power?

• Joule per Second

• Watt

• Kilowatt

• Horsepower

Which source of farm power is considered inexhaustible/renewable as long as the animals are kept in good health?

• Fossil fuels

• Animal power

• Solar energy

• Wind power

What is the main purpose of a flywheel in an engine?

• To store energy as momentum between power strokes

• To reduce engine noise

• To cool down the engine

• To increase fuel efficiency

What is the ratio of the volume of the charge at the beginning of the compression stroke to that at the end of the compression stroke called?

• Swept volume

• Stroke-bore ratio

• Compression ratio

• Displacement volume

What is the function of the steering system?

• To allow the driver to control the vehicle's direction

• To absorb road shock before it reaches the driver

• To increase the speed of the vehicle

• To reduce the fuel consumption of the vehicle

What is the purpose of the ignition system in an IC engine?

• To ignite the fuel mixture in the engine cylinder

• To cool down the engine cylinder

• To increase the engine speed

• To reduce the engine noise

What is the function of the hydraulic brakes in a vehicle?

• To convert kinetic energy into heat energy

• To increase the speed of the vehicle

• To reduce the weight of the vehicle

• To improve fuel efficiency

What is the main advantage of hydraulic brakes over mechanical brakes?

• Less force multiplication

• More chances of leakage

• Equal braking effort to all the four wheels

• Higher rate of wear

What is the purpose of the distributor in the ignition system?

• To reduce the engine noise

• To increase the engine speed

• To cool down the engine cylinder

• To distribute high voltage current to the engine cylinder