記憶度
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問題一覧
1
Which tank on board a ship causes relatively freer surface effect if kept slack?
Partially filled tanks on any sides
2
Progressive flooding on a vessel is controlled by securing watertight boundaries and ___
pumping out flooded compartments
3
What should not be done on watertight doors during maintenance?
Gasket should be clean and painted
4
In the event of fire fighting using water as an extinguishing agent, what precautions or actions should be done to maintain the stability of the ship? I. Calculate the GM caused by free surface effect II. Calculate the GM due to water ingress from extinguishing water III. Pump out the extinguishing water
I and II only
5
A handle used in hinged watertight doors to force the door frame against its gasket
dog
6
Which of the following actions will affect the trim of the vessel?
All of the above
7
What is the longitudinal structure at the bottom of vessel's hull, on which the rest of the hull is build?
keel
8
If the vessel is in sagging condition, what kind of stress is placed on sheer strake?
compression
9
Which of the following best describes a "tender" vessel?
she has long rolling period
10
Which of the following is not a method of testing watertight hatch covers?
grease testing
11
A void space between two bulkheads or floors, which prevent leakage from one tank to the other known as ____
cofferdam
12
Which of the following is not a Standard Load Line Marking?
A - Autumn
13
Which spaces, in regard to the fire protection, shall be separated from the rest of the ship by thermal and structural boundaries? (SOLAS II - 2/2.2.2).
Accomodation
14
Where can you find a striker plate?
At bottom of the sounding pipe, inside the tank
15
The deck fitting that acts as a lookout platform and a mounting point for navigation equipment such as lights, radar, aerials, etc., pertains to __
Mast
16
What do you call the curvature of deck in a longitudinal direction measured between the deck height at midships and the particular point on the deck?What do you call the curvature of deck in a longitudinal direction measured between the deck height at midships and the particular point on the deck?
sheer
17
Which type of hull damage should be repaired FIRST?
damage at or just above the waterline
18
Which of the following statement is true regarding the free surface effect?
It decreases at increased angles of heel due to pocketing when a tank is 90% full
19
What is the objective of shoring the damaged area of the vessel?
To support and hold the area in its damaged position
20
Which of the following can indicate the indentification of the damage hull part of your ship?
General Arrangement Plan
21
In ship's stability, reserve buoyancy is ___
the watertight portion of a vessel above the waterline
22
Metacentric height is an indication of vessel's stability ___-
for small angles of inclination
23
Your vessel is damaged and is listing to port. The rolling period is short. There is sufficient freeboard so that deck edge submersion is not a problem. What corrective action should be taken first in regards to the vessel's stability?
shift any off center weights from port to starboard
24
Excessive free surface occuring in tanks carrying liquid cargo should be avoided in order to ___
maintain good stability
25
What part of the ships covers the hull and binds its structure together to maintain watertight integrity?
deck plates
26
What prevents ingress of water from one compartment to another in the event of flooding or accidents, which also acts as a safety barrier?
watertight door
27
What is the special marking positions amidship which indicates the maximum legal limit in distinct type of waters ip which the ship can be loaded by cargo?
Load line
28
The stability of a vessel is normally the greatest when all double-bottom fuel and water tanks are full because the ___
center of gravity is lowered
29
Stability is determined principally by relationship of the center of gravity and the ___
center of buoyancy