Question 49Motor Plants - Assistant Engineer
70% to passThe purpose of the delivery check valve used in a diesel fuel injection jerk pump is to _______________.
Aassist in a quick cutoff of fuel injection
Ballow oil backflow from the injector to the helix
Creduce fuel oil pressure between injection strokes
Dmeter the quantity of fuel delivered
AI Explanation
The correct answer is A) assist in a quick cutoff of fuel injection. The delivery check valve in a diesel fuel injection jerk pump is designed to quickly stop the flow of fuel to the injector at the end of the injection stroke. This helps provide a precise and abrupt cutoff of fuel delivery, which is important for efficient and clean diesel engine operation. The other answer choices do not accurately describe the primary purpose of the delivery check valve.
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