Marina Exam Reviewer: If a sound signal is emitted from the oscillator of a fathometer, and two seconds elapse before the returning signal is picked up, what depth of water is indicated?

Marina Exam Reviewer:

If a sound signal is emitted from the oscillator of a fathometer, and two seconds elapse before the returning signal is picked up, what depth of water is indicated? 

A. 1248 fathoms 
B. 1048 fathoms 
C. 824 fathoms 
D. 1648 fathoms 

Answer:     C. 824 fathoms 

More questions below feel free to browse.

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Marina Exam For OIC: A GPS satellite transmits a signal thru the second carrier on ___________.

A GPS satellite transmits a signal thru the second carrier on ___________. 


A. 1227.60 mHz 
B. 1272.60 mHz 
C. 1722.60 mHz 
D. 1727.60 mHz 

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Marina Exam for OIC: Which statement is NOT correct regarding the gyro compass?

Marina Exam for OIC: 
Which statement is NOT correct regarding the gyro compass? 


A. its error is not affected by deviation and variation 
B. its accuracy remains the same in all latitudes 
C. it is electrically and mechanically operated 
D. it seeks the true north

Answer:

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Marina Exam Reviewer: Under the IALA cardinal system, a mark with quick white light showing 3 flashes every 10 seconds indicates that the safest water in the area is on the __________.

Marina Exam Reviewer:

Under the IALA cardinal system, a mark with quick white light showing 3 flashes every 10 seconds indicates that the safest water in the area is on the __________. 

A. east side of the mark 

B. west side of the mark 

C. north side of the mark 

D. south side of the mark


Answer:

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Sample Question for Marina EXAM

A harbor chart could have a scale of: 

A. not more than 1:25,000 
B. 1:35,000 
C. not less than 1:500,000 

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The sun is the central body of the solar system. It moves in the direction of Vega at:

The sun is the central body of the solar system. It moves in the direction of Vega at:


A. 12 miles per second
B. 1,000,000 miles per second
C. 1,000 miles per second

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Free Reviewer - OIC Exam

COMPETENCE 1 PLAN AND CONDUCT A PASSAGE AND DETERMINATION POSITION

One complete turn of the drum of the sextant moves the index arm along the arc is equal to: 

A. 1 minute of arc 
B. 1 degree 
C. 1 second of arc 

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A vessel is following a range to keep herself within a narrow channel. The chart indicates the range to be 001deg. The vessel is "on range" when she is steering a course of:

Question:

A vessel is following a range to keep herself within a narrow channel. The chart indicates the range to be 001deg. The vessel is "on range" when she is steering a course of: 

A. 001deg. T 
B. 359deg. T 
C. 000deg. T 
D. 180deg. T


Click below for Answer.. 

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A vessel is following a range to keep herself within a narrow channel. The chart indicates the range to be 001deg. The vessel is "on range" when she is steering a course of:

A vessel is following a range to keep herself within a narrow channel. The chart indicates the range to be 001deg.  The vessel is "on range" when she is steering a course of: 

A. 359deg. T 
B. 000deg. T 
C. 001deg. T 
D. 180deg. T

ANSWER: 001deg. T

QUESTION:

As a general rule, a ULCC should not have a speed in any direction greater than what speed when touching berth? 

A. 0.10 knots 
B. 0.20 knots 
C. 0.25 knots 
D. 0.15 knots

                        ANSWER: 0.10 knots 

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QUESTION: 

The standard time meridian for zone description -1 is: 

A. 15deg. E 
B. 7 1/2deg. W 
C. 0deg. 
D. 7 1/2deg. E

                                    ANSWER: 15deg. E

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Polaris is always within how many degrees of the north pole?

Question:

Polaris is always within how many degrees of the north pole? 

A. 0.1 degree 
B. 0.2 degree 
C. 1 degree 
D. 0.5 degree

Answer:  C. 1 degree 

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Question:

Which statement is TRUE concerning "night effect" and the reception of radio signals? 

A. During "night effect", polarization is at a minimum 
B. "Night effect" is caused by rapid changes in the ionosphere 
C. "Night effect" is most prevalent late at night 
D. "Night effect" is caused by all of the polarized ground waves being vertical

Answer:  B. "Night effect" is caused by rapid changes in the ionosphere 

___________________________________________________________

Question:

What is a common occurrence when a vessel is running into a shallow water? 

A. "squat" will cause a decrease in bottom clearance and an increase in draft 
B. "squat" will cause an increase in bottom clearance and an increase in draft 
C. "squat" will cause an increase in bottom clearance and a decrease in draft 
D. "squat" will cause a decrease in bottom clearance and a decrease in draft

Answer:  A. "squat" will cause a decrease in bottom clearance and an increase in draft 

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Out of the 57 navigational stars tabulated in the Nautical Almanac, how many are of the first magnitude?

Out of the 57 navigational stars tabulated in the Nautical Almanac, how many are of the first magnitude? 

A. 23 
B. 21 
C. 6 
D. 19

ANSWER: 19

QUESTION:

 When relieving the helm, the new helmsman should know the __________. 

A. Variation 
B. Gyro error 
C. Course per magnetic steering compass 
D. Maximum rudder angle previously used


ANSWER: Course per magnetic steering compass 

QUESTION:

Out of the 57 navigational stars tabulated in the Nautical Almanac, how many are of the second magnitude? 

A. 38 
B. 19 
C. 25 
D. 48


ANSWER: 38 

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Seafarer's board exam

Question: 

The interval between the sun’s upper limb being in the horizon and its center being 12° below is called: 

A. Nautical twilight 
B. Astronomical twilight 
C. Observational twilight 
D. Civil twilight


Answer:   A. Nautical twilight 

Question: 

The dividing meridian between zone descriptions +4 and +5 is _____. 

A. 75° 00’ E 
B. 60° 00’ E 
C. 67° 30’ W 
D. 60° 30’ W


Answer:    C. 67° 30’ W 


Question: 

Physical checks of gyro, azimuth circle and pelorus include the following, EXCEPT: 

A. align peloruses with fore-and-aft line of the ship 
B. synchronize gyro repeaters with master gyro 
C. ensure azimuth circle and peloruses are in good condition 
D. align the compass north to the fore and aft line of the ship



Answer:    A. align peloruses with fore-and-aft line of the ship 


Question: 

The bending of a wave as it passes an obstruction is called _________. 

A. persistence 
B. refraction 
C. diffraction 
D. attenuation


Answer:   C. diffraction 

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How many degrees north or south of the Tropic of Cancer is the Arctic Circle?

How many degrees north or south of the Tropic of Cancer is the Arctic Circle? 

A. 23° 27’ South 
B. 44° 06’ North 
C. 44° 06’ South 
D. 23° 27’ North

ANSWER: 44° 06’ North



QUESTION:

Automatic device for steering a vessel by means of control signals received from a gyro compass is called _____. 

A. gyropilot 
B. gyro repeater 
C. automatic pilot
D. gyroscopic steering


ANSWER: gyropilot 




QUESTION:

What is the length of a nautical mile? 

A. 5,280 meters 
B. 1,760 yards 
C. 6,076 feet 
D. 1,850 meters

ANSWER: 6,076 feet 

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COMPETENCE 1 - Marina Exam Reviewer FOR NAVIGATIONAL WATCH

Marina Exam Reviewer FOR COMPETENCE 1 PLAN AND CONDUCT A PASSAGE AND DETERMINATION POSITION

QUESTION:

The compass rose on a nautical chart indicates both variation and __________ . 

A. Annual rate of variation change 
B. Deviation 
C. Precession 
D. Compass error


ANSWER: Annual rate of variation change 





QUESTION:

 The standard atmospheric pressure in millimeters of mercury is: 

A. 23.25 
B. 29.92 
C. 960 
D. 760

ANSWER: 760

 QUESTION: 

Your ship is steaming at night with the gyro-pilot engaged when you notice that the vessel's course is slowly changing to the right. What action should you take FIRST?

A.      Switch to hand steering.

B.      Notify the engineroom.

C.      Call the Master.

D.      Shift steering to the emergency steering station.

ANSWER: Switch to hand steering

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