问题题干答案解析相关问题热门问题最新问题

问题详情

A mixture of 45%cetane and 55% alpha-methyl-naphthalene is found to have the same ignition delay as a sample of diesel oil √The sample can be described as having a/an（）

A、cetane number of 55

B、cetane number of 45

C、octane number of 55

D、octane number of 45

时间：2022-01-13 20:22 关键词：船舶电气与船舶安全水路交通运输技能考试海船船员考试

答案解析

B

相关问题

我国海船船员考试发证等规则的制定，是以（）公约为主要依据的。
You can _____ some bottles of wine, or some chocolates, or a bunch of flowers.
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
申请沿海航区船舶轮机部船员适任证书者，免除（）科目的考试。
_________ in a person’s speech or writing usually ranges on a continuum from casual or colloquial to formal or polite according to the type of communicative situation.