8. You load a liquefied gas which can react dangerously with water so moisture
control of cargo tank is required before loading. What dew point of the dry air you
should purge into cargo tank to remove moisture prior to loading as per IGC Code
(International Gas Carrier Code)?
(A) Air which has a dew point of -45 degrees Celsius or below at atmospheric pressure.
(B) Air which has a dew point of -40 degrees Celsius or below at atmospheric pressure.
(C) Air which has a dew point of -35 degrees Celsius or below at atmospheric pressure.
(D) Air which has a dew point of -30 degrees Celsius or below at atmospheric pressure.
10. “Course made good” means the course which a vessel makes good over ground.
Apart from currents and wind, which factor below should be taken into account?
(A) Magnetic compass errors
(B) Gyro compass errors
(C) Variations
(D) Tidal streams
13. Vessel has problems with her manoeuvrability due to malfunction. Please
explain what the situation the vessel has encountered.
(A) “I am a hampered vessel.”
(B) “I am not under command.”
(C) “I am manoeuvring with difficulty.”
(D) “I am obstructed in my manoeuvrability.”
14. By SMCP, chose one of the following sentences for expressing ”MV Ocean Uni
is on her way to open sea.”
(A) “Information: MV Ocean Uni is outgoing.”
(B) “Information: MV Ocean Uni is departing.”
(C) “Information: MV Ocean Uni is leaving.”
(D) “Information: MV Ocean Uni is out to sea.”
15. An inert gas system is designed to reduce the possibility of tank explosions
by ________.
(A) reducing the oxygen concentration below levels necessary for combustion
(B) eliminating sparks and fire in the vicinity of cargo tanks
(C) removing all hydrocarbon gases from the cargo tanks
(D) blanketing cargo tanks with inert foam
20. Which of the following ship's type are defined by IBC Code (International
Code for the construction and equipment of ships carrying dangerous chemicals in bulk)?
(A) Type 1 and 2 ship.
(B) Type 1, 2 and 3 ship.
(C) Type 1, 2, 3 and 4 ship.
(D) Type A, B and C ship.
25. The horizontal B and C components of ______ magnetism cause various
deviations of the magnetic compass when the ship swings in heading on an even keel.
Plotting such deviations against compass heading yields the sine and cosine curves.
(A) induced
(B) temporary
(C) permanent
(D) transient
31. 某船舶於「波羅的海」沿岸航行,誤闖某國軍事管制區。該輪嘗試退出該區,但是收到
岸上發出的摩爾斯“X”燈號,問其意義為何?
(A) You are dragging.
(B) Stop carrying out your intentions and watch for my signals.
(C) You should stop your vessel instantly.
(D) I have a pilot on board.