12. The _______ system consists of the components necessary to transmit the power of prime
mover into thrust horsepower for propeller.
(A) main bearing
(B) connecting rod
(C) propulsion shafting
(D) air cooling
17. The _______ consists of ISPP(International Sewage Pollution Prevention) certificate,
operating procedure of sewage plant and maintenance procedure of the sewage plant.
(A) engine room tank sounding log
(B) oil to sea interface log
(C) sewage management log
(D) repair list
18. The ______ of tanks containing liquids such as fuel, water, slops, ballast and various
bilges should be noted.
(A) sizes
(B) levels
(C) temperature
(D) pressure
33. Which code has the objectives to ensure safety at sea, prevention of human injury or loss
of life, and avoidance of damage to the environment?
(A) International Safety Management Code
(B) STCW Training Code
(C) Port State Control Officer Code
(D) MARPOL Code
38. Which operation is performed with the objective of ensuring the engine shaft is in a
straight axis, uniformly supported by the bearings, and longitudinally positioned properly when the
engine is running under load?
(A) Shop trial
(B) Engine alignment
(C) Towing tank test
(D) Dynamic balancing
39. For operating a marine boiler, which device does not belong to safety devices?
(A) Flame detector
(B) Soot blower
(C) Low-water level cut-off device
(D) Safety valves