單項選擇題Which vessel is NOT to be regarded as restricted in her ability to maneuver?（）.

A.A vessel transferring provisions while underway
B.A pushing vessel and a vessel being pushed when connected in a composite unit
C.A vessel servicing a navigation mark
D.A vessel launching aircraft


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1.單項選擇題Which types of portable fire extinguishers are designed for use on electrical fires?（）

A.Dry chemical and carbon dioxide
B.Foam (stored pressure) and soda-acid
C.Carbon dioxide and foam (stored pressure)
D.Dry chemical and soda-acid

2.單項選擇題Which statement about immersion suits is TRUE?（）

A.The primary color of the suit's exterior may be red，orange or yellow
B.The suit must，without assistance，turn an unconscious person's mouth clear of the water within 5 seconds
C.The suit is flameproof and provides protection to a wearer swimming in burning oil
D.The suit may be stored in a machinery space where the ambient temperature is 160°F

3.單項選擇題Which of the following would be of immediate concern after discovering a large fire in the ship’s galley?（）

A.An adjacent storeroom，containing spare parts
B.A storeroom directly above，containing combustible fluids
C.An adjacent storeroom，containing mattresses and linen
D.An adjacent storeroom，marked "Stewards Stores"

4.單項選擇題Which item may be substituted for，in the fireman’s outfit，on a cargo vessel?（）

A.fire ax
B.flashlight
C.rigid helmet
D.flame safety lamp

5.單項選擇題Which extinguishing agent will cool down a heated bulkhead in the least amount of time?（）

A.Water stream
B.Water fog or apray
C.Steam
D.Dry chemical