單項(xiàng)選擇題A wobbling tail shaft is an indication of().

A.shallow water
B.an engine that is misfiring
C.a tight tail shaft gland
D.worn stern bearing or misalignment


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1.單項(xiàng)選擇題At 0230 on 13 August,you are at mile 610.5 AHP when you see about a mile ahead lights on the water near the left bank. What might you see when you come abreast of these lights? ()

A.Privately maintained buoys at a yacht club
B.Government buoys marking the Hurricane Point dikes
C.Barges moored at the Dennis Landing Terminal
D.A pipeline discharging dredge spoil

2.單項(xiàng)選擇題At 2200 you take the following loran readings: 9960-W-15064.5; 9960-Y-43954.8. Which statement is TRUE? ()

A.The current is flooding
B.You are being set to the left of the track
C.The set is towards the southwest
D.The drift is 0.6 knot.

3.單項(xiàng)選擇題As you approach mile 427.6 AHP,you see on the right side a white buoy with orange bands and diamond. This buoy marks().

A.a cable crossing
B.a sunken barge
C.a submerged discharge pipe
D.the end of a wharf

4.單項(xiàng)選擇題As a vessel changes course to starboard,the compass card in a magnetic compass().

A.remains aligned with compass north
B.also turns to starboard
C.first turns to starboard then counterclockwise to port
D.turns counterclockwise to port

5.單項(xiàng)選擇題As a licensed Merchant Marine Officer you are expected to().

A.obtain a weather forecast before setting out from port
B.listen to weather forecasts on the radio while enroute
C.understand all broadcast weather warning information
D.All of the above

6.單項(xiàng)選擇題As seen from the tow,what should connect the leading ends of both towing bridle legs to the main towing hawser?()

A.A cable clamp
B.A fishplate,flounder,or towing plate
C.A pad eye
D.The towing bitts

7.單項(xiàng)選擇題As you approach mile 659.4 AHP,you see on the right descending bank a flashing green light. This light marks().

A.a lock that is open
B.a sunken barge
C.a dolphin,water intake and discharge
D.the end of a wharf

9.單項(xiàng)選擇題As you approach Old River Control Structure Light you see a flashing amber light. You should().

A.navigate as close to the left descending bank as safety permits
B.navigate as close to the right descending bank as safety permits
C.turn into the inflow channel as the bypass is now open
D.slow your engine speed to not more than 5 mph

10.單項(xiàng)選擇題As compared to carbon dioxide,dry chemical has which advantage?()

A.Cleaner
B.Effective on metal fires
C.Greater range
D.More cooling effect