海船船员2022每日一练(08月24日)

1. [单选题]A fire in a pile of dunnage would be classified as a _____.

A. class A
B. class B
C. class C
D. class D

2. [单选题]性能优良的锚应具有( )。Ⅰ.较大的抓力系数;Ⅱ.抛起迅速;Ⅲ，结构坚固;Ⅳ.重量较大。

A. Ⅰ、Ⅱ、Ⅳ
B. Ⅰ～Ⅲ
C. Ⅱ～Ⅳ
D. Ⅰ～Ⅳ

3. [单选题]A manometer is used to measure____.

A. pressure
B. temperature
C. volume
D. specific gravity

4. [单选题]keep the lines tight

A. 保持缆绳受力
B. 谨防断缆
C. 单绑
D. 挽牢

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