Final exam junior 19

How many degrees of rotation does the crankshaft do during the four stoke cycle?

• 180

• 360

• 720

• 400

A Spark is required for stroke 3 of the 4 stroke cycle, how is this achieved in a petrol engine?

• Heated and compressed air

• Glow plug

• Spark plug

• Fire

What are the strokes of the four stroke cycle, in correct order?

• Intake, Power, Compression, Exhaust

• Compression, Intake, Exhaust, Power

• Intake, Compression, Power, Exhaust

• Power, Intake, Compression, Exhaust

Which of the following is not a component in a motor vehicle combustion engine?

• Piston

• Crankshaft

• Valve

• Flux Capacitor

During the first stroke (Intake), what valves are open-if any?

• Both closed

• Intake valve open, Exhaust closed.

• Both are open

• Intake valve closed, Exhaust valve open.

What components should be changed at regular services?

• Air filter

• OIl Filter

• Fuel filter

• All of the above

Caster/ Camber is a suspension system is

• same as toe in

• wheel angle as viewed from the side of vehicle

• toe out

• related to weight vehicle can carry

toe in and toe out are adjusted by

• shortening or lengthening the tie rod

• changing the shock absorbers

• adding power steering fluid

• all of above

For proper eye protection when arc welding the minimum shade number should be

• 4
• 6
• 10
• 12

The welding area should be kept free of _____________.

• grease, fuels and solvents
• ultraviolet rays
• infrared rays
• electrodes