4. Crankcase and cylinder jackets are separated from each other by a partition, which incorporates
the ____________ through which the piston rods pass
(A) cylinder cover
(B) cylinder liner
(C) cylinder block
(D) stuffing boxes
5. The exhaust gases flow from the cylinders through the hydraulically operated ___________ ,
which are made to rotate in service, into an exhaust gas manifold.
(A) exhaust valves
(B) exhaust cam
(C) exhaust stroke
(D) exhaustport
7. Which one is not the main function of detergent lubricating oil?
(A) Reducing wear of piston ring
(B) Preventing agglomeration and deposition in the engine
(C) Lowering pressure of combustion in engine
(D) Reducing wear of cylinder
8. The IMO had come up with a ______________ on newly adoption of ECA to deal with the global
air pollution issues.
(A) less efficient
(B) more or less restriction
(C) further restriction
(D) more sufficient
11. 從艙底水櫃泵出5立方米的艙底水經由15 ppm裝置排出船外Pumping of bilge water
__________ via 15 ppm equipment from Bilge Water Tank，其空格為下列何者？
(A) overflow
(B) retained
(C) treated
(D) overboard
21. The expansion valve is the regulator through which the refrigerant flows from
_______________________ of the system .
(A) the high pressure side to the low pressure side
(B) the low pressure side to the high pressure side
(C) the liquid status to the vapor status
(D) the low temperature side to the high temperature side
22. This vessel had a crew of 18 Ukrainian nationals, all of whom were appropriately qualified for
the positions they held on _______ board the ship.
(A) who
(B) which
(C) whom
(D) where
30. Which device is used to provide a limited amount of electric power for a finite periods of time to
certain loads in case of a power failure on its supply side, with no break in the flow of power to the
loads？
(A) Power governor
(B) Transformer
(C) Solid-state power converter
(D) Uninterruptible power supply
31. Which type of bearing may be lubricated by seawater in a main propulsion shafting system？
(A) Thrust bearing
(B) Ball bearing
(C) Crosshead bearing
(D) Stern bearing
33. Which type of valve should be installed whenever an undesired reversal of flow is possible？
(A) Throttle valve
(B) Stop valve
(C) Check valve
(D) Relief valve
35. What is the most simple method of regulating steam flow in the steam supply to the turbine？
(A) Throttle valve control
(B) By-pass control
(C) Pressure regulating control
(D) Enthalpy control
39. Check valves must be provided on pump suctions to prevent pumping through the standby
pump to the sump. Pump isolating valves should be provided to permit underway repair of either
pump. Based on these descriptions, which is the correct statement？
(A) The isolating valves must be non-return valves.
(B) The check valve also needs to be positioned at the pump exit in order to improve the pumping
efficiency.
(C) The check valve allocated on pump suctions permits no flow from the idle pump into the sump.
(D) The check valve allocated on pump suctions permits the isolation of the running and standby
pumps so that the isolating valves could be ignored for the emergency operation.
寫作批改
VIP與詳解卡管理
