题目内容

The fire may spread through ________.

A. conduction
B. convection
C. radiation
D. all the above

查看答案

搜索结果不匹配？点我反馈

更多问题

Water is the most effective medium for extinguishing _______ fire.

A. Class-A
B. Class-B
Class-C
D. Class-D

On board a ship, fire is classified into ____ types, as of 2008.

A. 3
B. 4
C. 5
D. 6

The big oil transportation companies voluntarily receive the evaluations from the ______.

A. Oil Trust
B. Det Norske Veritas
C. Lloyd’s Register of Shipping
D. P & I Club

Compared with the general inspection, the trade inspection is _______.

A. easy to pass
B. the same as the general inspection
C. of higher standard
D. less important