Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

For proper lubrication between the nozzle valve and its guide a small quantity of fuel is allowed to leak through the clearance.

A. True
B. False
Answer» B. False
Discussion
2.

The spring tension and the valve opening pressure is controlled by adjusting the screw provided at the ___________

A. top
B. bottom
C. center
D. none of the mentioned
Answer» B. bottom
Discussion
3.

When the fuel is supplied by the injection pump, it exerts sufficient force against the spring to lift the ___________

A. nozzle valve
B. throttle valve
C. mechanical valve
D. none of the mentioned
Answer» B. throttle valve
Discussion
4.

The injector assembly consists of ___________

A. a needle valve
B. a compression spring
C. a nozzle and an injector body
D. all of the mentioned
Answer» E.
Discussion
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