4. Are you _________ after off duty ? I am going to a play with O.S. Lee and Bosun. Would
you like to join us?
(A) do something
(B) do nothing
(C) doing
(D) doing anything
8. 主機安全裝置功能測試發現一切正常之英文為________ of Main Engine safety device
examined and found all in good order.其空格為下列何者?
(A) Calibration
(B) Adjustment
(C) Function
(D) Goal
9. The valves give full bore flow without change of direction. They consist of chests divided at
mid-length by a double membrane having central circular opening, furnished with seat and tapered
or parallel on their inner. What kind of valves is above description?
(A) Check valve
(B) Globe valve
(C) Butterfly valve
(D) Gate valve
18. If the centrifugal pump's __________ is lesser, the flow rate of the liquid is higher and
therefore pumping of the liquid is faster.
(A) discharge head
(B) suction head
(C) total head
(D) net positive suction head
23. ________ is a specially designated place on board the ship, where crews and passengers
assembled for purposes of checking or drilling.
(A) Mess Room
(B) Muster Station
(C) Tally Room
(D) Bunker Station
40. In a gas turbine engine, which device is used during the compression process to enhance
the specific power of the engine?
(A) Recuperator
(B) Intercooler
(C) Air intake
(D) Exhaust uptake