A.avoid kinking the hose
B.avoid personal injury during connection
C.make connecting easier
D.prevent spray on electrical equipment
您可能感興趣的試卷
你可能感興趣的試題
A.Spare charges shall be carried for at least 50 percent of each size and variety required on board
B.If the unit cannot be charged by the vessel's personnel，one spare unit shall be carried in lieu of spare charges
C.Spare charges shall be stowed in watertight containers on deck
D.Regulations concerning spare charges do not apply to unmanned barges
A.posted with instructions on the operation of the system
B.ventilated and equipped with explosion-proof switches
C.painted with red and black diagonal stripes
D.equipped with a battery powered source of emergency lighting
最新試題
An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal should you make?（）
A portable foam (stored-pressure type) fire extinguisher would be most useful in combating a fire in（）.
At night while the ship is tied up to the dock，a fire breaks out in a cargo hatch. After sounding the alarm，what should the person on watch do?（）
As an extinguishing agent，foam（）.
An ABC dry chemical fire extinguisher would be LEAST effective against a fire in（）.
A passenger vessel is required to have a supervised patrol when（）.
Any ship damaging a pipe could（）an immediate danger of fire.
An extinguishing agent which effectively cools，dilutes combustible vapors，removes oxygen，and provides a heat and smoke screen is（）.
Any firefighting equipment that is carried in addition to the minimum required must（）.
Any extinguishing agent used on a Class C fire must have which important property?（）