high and low pressure fuel

Technician A says the two most important factors influencing burn rate are cylinder pressure and temperature. Technician B says burn rate is not influenced by cylinder pressure. Who is correct?

• Technician A

• Technician B

• Both

• Neither

Technician A says poor mixing of air and fuel can cause nozzle dribble. Technician B says poor mixing of air and fuel can cause excessive ignition delay time. Who is correct?

• Technician A

• Technician B

• Both

• Neither

 __________ is the measurement of the correct quantity of fuel for each cylinder required for various speed and load conditions demanded of the engine.

• Timing

• Metering

• Hunting

• Distribution

The two most important factors influencing _________ are cylinder pressure and    temperature.

• Injection Rate

• Burn Rate

• Pressurization Rate

• Fuel Economy

Burn time is expressed in __________ of crankshaft rotation.

• Degrees

• Speed

• Direction

• Delivery

 __________ is the mixing of fuel and air in the cylinders during the injection event. 

• Atomization

• Timing

• Metering

• Distribution

__________ is a rhythmic change in engine rpm at idle speed caused by uneven delivery of fuel.

• Distribution

• Hunting

• Atomization

• Metering

The diaphragm mechanical pump is activated by the __________.

• Camshaft

• Crankshaft

• Rocker lever

• Electric stepper motor

Which condition can effect outlet pressure of a mechanical diaphragm pump?

• Trapped dirt

• Deteriorated check valves

• broken springs

• all the above

A fuel return check valve ____________.

• limits fuel pressure.

• prevents drain back

• flows fuel to the fuel tank

• All of the above