# In open combustion chamber in diesel engines _____ ? with Answer - Mechanical Engineering Mcqs | TestPrep

> Solved MCQ: In open combustion chamber in diesel engines _____ ? Correct Answer: A. the shape and layout of the piston crown, the inlet port, and the valve produce the turbulent effect on fuel mixture. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# In open combustion chamber in diesel engines _____ ?

Direct Answer & Quick Reference

The correct option is **A. the shape and layout of the piston crown, the inlet port, and the valve produce the turbulent effect on fuel mixture**.

A. the shape and layout of the piston crown, the inlet port, and the valve produce the turbulent effect on fuel mixture **(Correct Answer)**

B. fuel is injected into an auxiliary chamber that is separated from the cylinder by an orifice or throat

C. only a part of air charge is contained in an auxiliary chamber in which the fuel starts to burn with insufficient air which due to explosion tendency mixes thoroughly into main cylinder charge

D. fuel is injected at atmospheric pres¬sure

E. there are no valves.

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Verified Key: A. the shape and layout of the piston crown, the inlet port, and the valve produce the turbulent effect on fuel mixture
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