What piping design would be used where cargo segregation is not an issue and commonly
known as a "free flow system".
Loop or main ring piping
What type of hoses may be considered a Specialty Hose or a hose that serves a specific
purpose on your tank vessel?
Vapor Recovery Hose or Cryogenic Hose
Your vessel is taking on cargo oil when a small leak develops in a hose. You order the
pumping to be stopped. Before you resume pumping you should?
Replace the hose
A Chemical Parcel Tanker may have three different types of tank containment depending
on cargo classification. What type offers the least protection to the environment?
Type III
What is the location, generally mid-ships on tank vessels, where your ship connects to shore
side facility or another vessel for cargo transfer operations?
The Manifold
A temporary piece of pipe or cargo hose used to cross over cargo systems or cargo groups
at the manifold called?
Runaround
Which of the following are considered an advantage of double hull tankers over single hull
tankers?
Double hull tankers have a more efficient stripping of cargo tanks than single hull tankers
What is another name for a mechanical loading arm?
Chicksan
Small oil spills on deck can be kept from going overboard by:
Plugging the scuppers
What represents the weak link in the cargo transfer operation?
Cargo hose
A pipe fitting commonly installed on the end of a vessels manifold when the size of the
flange connection is different than the cargo hose of loading arm in order to make the
proper connection. What is the name of the pipe fitting?
Reducer
All cargo hoses and pipelines are normally marked with what?
Maximum allowable working pressure
True or False: Both double hull tankers and mid deck tankers have been adopted by the
USCG as designs acceptable for the OPA90 Requirement for newly constructed tankers.
False
, What is the minimum number of bolts required in a permanently connected flange oil
pipeline coupling?
A bolt must be in every hole
Prior to a cargo transfer, the cargo hose must be visually inspected. What is not a typical
cause for rejection of a cargo hose?
A worn gasket
The bellmouth in a cargo pipeline is designed to minimize?
Vortexing
The person in charge on the vessel and the person in charge at the facility must hold a
meeting before starting the transfer of oil. Who must decide to start the transfer?
Both persons in charge
A main cargo pipe that transports liquid up from the cargo pump room, to the main deck
of a tank ship is called?
Riser
What piping system is characterized by one or more main lines orientated in a fore and aft
direction from the cargo tanks to the pump room?
Direct piping
Which of the following is the name of the device(s) that may be used to inter-connect cargo
piping systems on board your vessel?
A Mix-master and a Cross-Over Valve
Which of the following couplings are used to connect piping on board tank vessels to
provide the flexibility necessary to withstand stresses caused by expansion and contraction
during temperature changes, vessel motion in heavy seas, and vessel vibration?
Dresser coupling
Why are spectacle flanges/blanks utilized in the cargo piping of a tank vessel?
To provide a positive means of knowing that a cargo pipeline is closed or open
One of the advantages of a rubber cargo hose compared to a composite hose in which of the
following?
Allows for higher flow rates
What regulatory agency in the United States sets the criteria for standardized flanges?
American National Standards Institute
Which type of hose is suited for the widest range of industrial duties?
Stainless Steel Hose
What is the effect created when liquids move about in an unrestricted fashion within a
compartment such as a cargo tank or ballast tank?
Free surface
The space known as a narrow, empty space between two adjacent watertight
compartments is called?
Cofferdam
What was the purpose of the use of twin longitudinal bulkhead construction?