How do the volumetric efficiency and air-fuel ratio change as the engine's rotational speed changes?

3

:    (a) Discuss the performance and emission characteristics of a stationary diesel engine.      (b) Explain the objectives, merits and demerits of EGR. (c) Explain about M type combustion chamber with a neat sketch.

Some operating data for an air-standard Otto cycle are given in the table. Use the operating data to answer the questions below.         ? (???)       ? (?)         ? (??^3) 1          1              300              400 2           -                -                  40 3           -             1500              40 4           -                -                 400 a) Sketch this Otto cycle on a ?-? diagram. Label what you can on the diagram given the information in the table, then come back and modify your diagram with the information you determine in partb) Fill in all the missing pieces of information in the table.