You are underway with a tow consisting of six barges containing hazardous chemicals.Which

A tow of 9 barges is made up three abreast by three long. The towboat is faced up to the last barge of the center string. The outer two strings of barges are the ______.

A.port and starboard strings

B.outer strings

C.drag strings

D.side strings

You are pushing a tow ahead，at high speed，near the right hand bank of a canal．The forces affecting your towboat and tow will tend to ______．

A.Push both the head of the tow and the stern of the towboat away from the right hand bank

B.Push the head of the tow away from，and pull the stern of the towboat into，the right hand bank

C.Pull both the head of the tow and the stern of the towboat into the right hand bank

D.Pull the head of the tow into，and push the stern of the towboat away from，the right hand bank

On the high seas，a fog signal consisting of one prolonged blast followed by four short blasts would indicate the presence of a ______.

A.vessel being towed

B.fishing vessel engaged in trawling

C.vessel at anchor warning you of her location

D.power-driven pilot vessel on station underway

You intend to tow a barge with one tug and expect continuous high winds from the north．To reduce the yaw of your tow，you should ______．

A.reduce the draft of the barge

B.shorten one leg of the bridle

C.place bulky deck loads as far aft as possible

D.trim the barge down by the bow

You are in charge of a towing vessel that operates exclusively on inland waters. You regularly tow barges that provide services (cargo lighters，fuel barges，etc.) to foreign flag vessels in port. What will be accepted as proper credentials for you and your crew?

A.No credentials are required since you operate on inland waters only

B.Social Security card

C.State driver's license with photo ID

D.Merchant Mariner's Document

Your ship is returning to New Orleans from a foreign voyage and carrying a bulk cargo of anhydrous ammonia．You must notify the Captain of the Port，New Orleans，______．

A.at least 96 hours before entering port

B.if you are not participating in the USMER system

C.only if you have a hazardous condition aboard

D.only if your arrival will vary more than six hours from your ETA reported to AMVER

If you carry packaged hazardous cargoes on a break bulk vessel bound foreign，you must ______.

A.stow the hazardous cargoes on deck available for jettisoning if necessary

B.remove the hazardous cargo labels from a portable tank after the tank is emptied

C.have the shipping papers indicate the proper shipping name and the technical name of n.o.s. cargoes

D.log the receipt of hazardous cargoes in the Official Logbook