LV07K Level 3 (quiz 2)

Approximately how much pressure does a high pressure pump store its fuel at?

• 200 BAR

• 2000 BAR

• 20 BAR

• 2 BAR

Multi-port fuel injection systems have a fuel injector for each cylinder, usually positioned so that they spray directly at what?

• The Intake Valve

• Th Exhaust Valve

• The Piston Valve

• The Glow plug

What are the primary functions of a solenoid ?

• Coverts mechanical & Electrical Energy to Kinetic Energy

• Converts Mechanical energy to Electrical Energy

• Coverts Electrical energy to mechanical energy

• Coverts kinetic energy to Electrical energy

What is the main objective with the pre injection phase?

• To add the fuel so it can ignite.

• To get the chamber at optimal temperature and pressure flow rate.

• To help the pistons smoothly go up and down with minimal power loss

• To add the correct amount of fuel in to the cambers.

The amount of time that the solenoid within the fuel injector is open for is known as

• Pulse injector modulation

• Pulse width modulation

• Fuel injection moderator

• Pre-injection moderator

What voltage should a injector voltage be when under load

• 12.6v AC

• 12v DC

• 13 DC

• 14 AC

If two injectors are working at the right resistance and the other two are not. What one would you do first?

• Check the MOT test to see what the region is to accept that it is ok

• Check the manufactures specification

• See if they had problems with this before

• see when there next service is