MDE 5 Q8

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Question 5: What is a possible defect in fuel injectors that may result in a rough engine idle and excessive exhaust smoke?

A) Damaged fuel pump

C) Faulty ignition coil

D) Low oil pressure

B) Leaking nozzle tip

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Question 4: Which defect in a fuel injector can cause reduced fuel efficiency and increased fuel consumption?

C) Faulty turbocharger

B) Poor injector atomization

D) Worn valve guides

A) Blocked fuel filter

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Question 3: What defect can lead to erratic engine operation and knocking?

D) Damaged air filter

B) Overheating of the fuel pump

A) Incorrect spray pattern

C) Faulty engine thermostat

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Question 2: Which defect in a fuel injector can cause fuel to leak into the combustion chamber continuously?

B) Worn nozzle tip

A) Faulty solenoid

C) Leaking nozzle seals

D) Misaligned injector nozzle

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Question 1: What is a common defect in fuel injectors that results in poor engine performance and increased exhaust smoke?

D) Faulty glow plugs

A) Clogged nozzle orifices

B) Leaking fuel lines

C) Worn piston rings

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Question: How does a scroll type fuel pump meter fuel for high and low loads?