單項選擇題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.單項選擇題As a rule,ships of most configurations,when drifting in calm water with negligible current,will lie().

A.bow to the wind
B.beam to the wind
C.stern to the wind
D.with the wind on the quarter

2.單項選擇題At 0715 you take the following bearings: Race Rock Light 328°pgc; Little Gull Island Light 249°pgc; Mt. Prospect Antenna 036°pgc. Based on your 0715 fix,which statement is TRUE?()

A.You are to the left of your track line
B.Your fathometer reads about 265 fathoms
C.You are in a cable area
D.You are governed by the Inland Rules

3.單項選擇題Apparent time is based on().

A.a fictitious sun moving along the celestial equator
B.the visible sun moving along the ecliptic
C.the Moon's motion in relation to the Sun
D.the movement of the first point of Aries

4.單項選擇題At 0630 you increase speed to 12.0 knots. At 0645 Race Rock Light bears 294°pgc. At 0700 Race Rock Light bears 293°pgc. Based on this,you should().

A.alter course to port
B.maintain course and speed
C.alter course to starboard
D.maintain course and reduce speed

5.單項選擇題Antares is found in what constellation?()

A.Scorpio
B.Corvus
C.Libra
D.Corona Borealis

6.單項選擇題At 1920,the buoy forward of your starboard beam is().

A.an interrupted quick flashing buoy
B.Hog Island Lighted Bell Buoy
C.South Light Buoy
D.Sand Shoal Inlet Lighted Buoy "A"

8.單項選擇題As the temperature of the air reaches the dew point,().

A.rain must develop
B.fog may form
C.it begins to snow
D.water freezes

10.單項選擇題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