The purpose of the delivery check valve used in a diesel fuel injection jerk pump is to _____.

A.assist in a quick cutoff of fuel injection

B.allow oil backflow from the injector to the helix

C.reduce fuel oil pressure between injection strokes

D.meter the quantity of fuel delivered

请帮忙给出正确答案和分析，谢谢！

参考答案

您可能感兴趣的试题

The author implies that in the 1920s and 1930s home deliveries of ice ______.A．decreased i

答案解析
Due to the increase in the price of fuel, we will limit our free delivery service to any o

答案解析
Which type of the aircrafts mentioned in this passage will be the last to begin delivery？A

答案解析
According to the woman, the purpose of The Times campaign of saving the childrens hospital

答案解析
We aim to increase the speed of delivery.

答案解析
According to the author one of the purposes of te

答案解析