10comp

Comminuted or ground garbage which will be discharged into the sea must be able to pass through a screen with a mesh size no larger than ?

• 50 millimeters
• 25 millimeters
• 100 millimeter
• 75 millimeters

According to the regulations in loading or discharging oil in bulk at a dock, which of the following signal must be displayed?

• A red flag (day), red light (night)
• A green flag (day), green light (night)
• A yellow flag (day), red light (night)
• A signal is not required for discharging oil, only gasoline

. Which of the following is the minimum internal diameter of the main bilge suction piping permitted by regulations on a vessel over 150 gross tons?

• 2½ inches
• 1½ inches
• 3½ inches
• 4½ inches

Which international body is responsible for drafting the convention prohibiting marine pollution (MARPOL)?

• Maritime Advisory Council
• Association of Seafaring Nations
• International Maritime Organization
• International Association of Shipping

. In the event of a small bunker oil spill on deck occurring while bunkering, what you should do?

• cover the area with sawdust
• wash down the area with kerosene
• Wash down the area immediately with a fire hose
• cover the area with foam

A ship is required to carry an Oil Record Book to log entries in the book regarding the ?

• Sounding levels of all fuel tanks on a daily basis
• discharge of ballast or cleaning water from fuel tanks
• grade and specific gravity of all fuel oil carried
• fuel consumption rates on a weekly basis

Why are conventional strainers not fitted in the cargo hold bilge wells?

• because the cargo holds are cleaner than the engine room
• because they might be damaged during loading and discharging
• because they are in accessible when cargo is loaded
• they would restrict the pumping of bilge wells

When completing the ballasting operation of a contaminated tank, which of the following problems must be guarded against?

• Motor overload due to high discharge head
• Insufficient pump pressure when topping off
• Back flow of contaminated water
• Loss of pump suction

A tank for the collection and storage of sewage is ?

• general service tank
• holding tank
• Settling tank
• Sludge tank

An ocean going ship of 400 gross tons and above must be fitted with a standard discharge shore connection. What is the size of the bolt circle diameter of the shore connection required to transfer only ballast to a shore side reception facility?

• It depends on outside pipe diameter
• 215 mm
• 125 mm
• 183mm