题目内容

For eliminating fuel of a fire, we can use the method of ________.

A. Cooling
B. Smothering
C. Starving
D. both B and C

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The fire may spread through ________.

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

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