The higher compression ratio gives a ______thermal efficiency
举一反三
- It is a verified fact that the higher ____<br/>of a two-stroke engine, the higher _____. A: the engine efficiency…the<br/>stroke/bore ratio B: the stroke/bore ratio…the<br/>engine efficiency C: the bore / stroke ratio…the<br/>engine efficiency D: the engine efficiency…the<br/>bore / stroke ratio
- For<br/>a given fuel, a change in the compression ratio will affect the<br/>ignition lag by which of the listed means? ____. A: an<br/>increase in compression ratio will increase the ignition lag B: in<br/>increase in compression ratio will decrease the ignition lag C: a<br/>decrease in compression ratio will decrease the ignition lag D: a<br/>decrease in ignition lag will increase the compression ratio
- Volumetric efficiency is the ratio of
- Purpose of reheat cycle is to increase thermal efficiency ( )
- Energy conversion efficiency (η) is the ratio between （ ）and （ ）.