Volumetric efficiency is the ratio of
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
- Energy conversion efficiency (η) is the ratio between （ ）and （ ）.
- The higher compression ratio gives a ______thermal efficiency
- Among the following ratios, which is used for efficiency analysis? A: quick ratio B: accounts receivable turnover C: debt-to-equity ratio D: net profit ratio
- The ratio of the work done by the machine _________ the work done on it is called the efficiency of the machine.