# Nav 1 Finals (50 Items)

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finals

• 1.

### The following are the characteristics of a succesful navigator, except

• A.

• B.

Good judgement

• C.

Knowledgeable

• D.

Enthusiastic

D. Enthusiastic
Explanation
The characteristics of a successful navigator include alertness, good judgement, and being knowledgeable. However, being enthusiastic is not necessarily a characteristic of a successful navigator. While enthusiasm can be beneficial, it is not a defining trait for navigation skills.

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• 2.

### Which of the following is the intended horizontal direction of travel through the water

• A.

Course

• B.

Distance

• C.

Course line

• D.

Speed

A. Course
Explanation
The intended horizontal direction of travel through the water is referred to as the course. It indicates the desired path or route that a vessel or object should follow while moving in the water. The course is typically expressed in degrees, such as north, south, east, or west, and is used for navigation purposes to ensure that the vessel stays on track and reaches its destination accurately.

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• 3.

### The determination of position by the use of the course and speed expected to be made good over the ground is called

• A.

Line of position

• B.

• C.

Estimated position

• D.

Fix position

C. Estimated position
Explanation
The determination of position by estimating the course and speed expected to be made over the ground is referred to as the estimated position. This method involves using the current course and speed to project the position at a future time. It is commonly used in navigation when the exact position cannot be determined accurately, but an estimate can be made based on the expected course and speed.

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• 4.

### Which of the following is the oldest speed measuring device

• A.

Dutchman's log

• B.

Common log

• C.

Pitot static log

• D.

Impeller log

A. Dutchman's log
Explanation
The Dutchman's log is considered the oldest speed measuring device. It was used by sailors in the 17th century to measure the speed of a ship. The device consisted of a wooden board with a rope attached to it and a log or piece of wood at the end. The log would be thrown overboard and the rope would be let out for a certain amount of time. By counting the number of knots that passed through the sailor's hands during that time, they could estimate the ship's speed. This method was later replaced by more accurate and modern speed measuring devices.

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• 5.

### Which of the following is a line extending in the direction of the course

• A.

Course

• B.

Distance

• C.

Course line

• D.

Speed

C. Course line
Explanation
A course line is a line that extends in the direction of the course. It represents the intended path or route to be followed. It helps in navigation and ensures that the vessel or aircraft stays on track and reaches its destination efficiently.

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• 6.

### Which of the following is a line of position taken from a bearing

• A.

• B.

Line with a single arrow head

• C.

• D.

B. Line with a single arrow head
Explanation
A line with a single arrowhead is a line of position taken from a bearing. A bearing is a direction or angle between two points, and a line with a single arrowhead represents this direction. The arrowhead indicates the direction in which the line is pointing, which helps determine the position of the object or point being observed.

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• 7.

### Which of the following is the label for an estimated position

• A.

Small circle

• B.

Semi circle

• C.

Small circle

• D.

Triangle

C. Small circle
Explanation
The label for an estimated position is a small circle.

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• 8.

### A triangle formed where the three position lines do not exactly intersect is called

• A.

Bearing

• B.

Range

• C.

Cocked hat

• D.

Fix

C. Cocked hat
Explanation
A "cocked hat" refers to a triangle formed by three position lines on a navigational chart. In this case, the position lines do not intersect at a single point, but rather form a triangle shape. This can occur when there is a significant amount of error or uncertainty in the measurements or calculations used to determine the position lines. The term "cocked hat" is often used in navigation to indicate a level of uncertainty in the accuracy of the position fix.

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• 9.

### A line drawn on the chart derived by a celestial observation or bearing of a known object on shore is called

• A.

Line of position

• B.

• C.

Estimated position

• D.

Fix position

A. Line of position
Explanation
A line of position refers to a line drawn on a chart that represents the position of a ship or aircraft based on a celestial observation or bearing of a known object on shore. It helps determine the vessel's location at a specific point in time. This line is used in navigation to plot the position of the vessel and can be combined with other lines of position to determine a fix position.

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• 10.

### Which of the following is a measure of duration

• A.

Distance

• B.

Speed

• C.

Time

• D.

Knots

C. Time
Explanation
Duration is a measure of the length of time that an event or activity lasts. It is the amount of time that passes between the start and end of something. Therefore, time is the correct answer because it directly measures the duration of an event or activity. Distance, speed, and knots are not measures of duration as they are related to the physical distance traveled or the rate at which something is moving, rather than the length of time it takes.

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• 11.

### Which of the following utilizes a retractable rodmeter to measure the speed of the vessel

• A.

Dutchman's log

• B.

Common log

• C.

Pitot static log

• D.

Impeller log

C. Pitot static log
Explanation
A pitot static log utilizes a retractable rodmeter to measure the speed of the vessel. The pitot tube measures the dynamic pressure of the fluid flow, which is then combined with the static pressure to calculate the speed of the vessel. The retractable rodmeter allows the pitot tube to be extended or retracted as needed for accurate measurements. This log is commonly used in maritime navigation to determine the speed of a vessel through water.

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• 12.

### Which of the following is a position obtained by observation separated by a considerable time interval

• A.

Estimated position

• B.

Dr position

• C.

Fix

• D.

Running fix

D. Running fix
Explanation
A running fix is a position obtained by observing the movement of an object or landmark over a significant period of time. It involves taking multiple observations at different time intervals and then plotting these positions on a chart. By connecting these positions, a navigator can determine the direction and speed of their vessel, allowing them to estimate their current position. Therefore, a running fix is a position obtained by observation separated by a considerable time interval.

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• 13.

### Which of the following is sometimes used as the equivalent of estimated position

• A.

Line of position

• B.

Estimated position

• C.

Most probable position

• D.

Fix position

C. Most probable position
Explanation
The term "most probable position" refers to the estimated position that is considered to have the highest likelihood of being accurate. It takes into account various factors such as observed data, calculations, and probabilities to determine the most likely location. This term is sometimes used interchangeably with "estimated position" when referring to a position that is not exact but is the most likely approximation based on available information.

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• 14.

### Which of the following is the determination of position by advancing a known position for courses and distances

• A.

Line of position

• B.

• C.

Estimated position

• D.

Fix position

Explanation
Dead reckoning position is the determination of position by advancing a known position for courses and distances. It involves calculating one's current position based on a previously known position, courses, and distances traveled since then. This method is commonly used in navigation when other means of determining position, such as GPS, are not available or reliable. Dead reckoning requires continuous updating and adjustment to account for factors like current, wind, and other navigational errors.

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• 15.

### Which of the following is the velocity of a ship through the water in a given condition

• A.

Distance

• B.

Speed

• C.

Time

• D.

Knot

B. Speed
Explanation
The velocity of a ship through the water is determined by its speed. Speed is the rate at which an object moves, and in this case, it refers to how fast the ship is moving through the water. Distance, time, and knot are not directly related to the ship's velocity in this context.

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• 16.

### Which of the following is the label for a dr position

• A.

Small circle

• B.

Semi cricle

• C.

Small square

• D.

Triangle

B. Semi cricle
Explanation
The correct answer is "semi circle." A semi circle is a half of a circle, resembling a "D" shape. In the context of the question, a "dr position" is not defined, but assuming it refers to a doctor position, a semi circle could potentially represent the medical symbol, which is often associated with the medical profession.

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• 17.

### The common intersection of two or more lines of position is called

• A.

Line of position

• B.

• C.

Estimated position

• D.

Fix position

D. Fix position
Explanation
A fix position refers to the common intersection of two or more lines of position. It is the point where these lines intersect and provide a precise location or position. This term is commonly used in navigation or surveying to determine an accurate position on a map or chart.

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• 18.

### Which type of log utilizes a rodmeter but an electrical means iof transmitting speed indication is used

• A.

Dutchman's log

• B.

Common log

• C.

Pitot static log

• D.

Impeller log

D. Impeller log
Explanation
An impeller log is a type of log that utilizes a rodmeter to measure the speed of a vessel through the water. However, instead of using mechanical means to transmit the speed indication, it uses an electrical means. This could involve using sensors or transducers to convert the mechanical motion of the rodmeter into an electrical signal that can be transmitted and displayed on a device or instrument.

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• 19.

### Which of the following is the lenght travelled or made good of a ship in a particular direction

• A.

Distance

• B.

Speed

• C.

Time

• D.

Knots

A. Distance
Explanation
The correct answer is distance. Distance refers to the length travelled or made good by a ship in a particular direction. It is a measure of the total ground covered by the ship in a specific direction, regardless of the time taken or the speed at which it was travelling.

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• 20.

### A fix can be obtained through the following except

• A.

Bearing and range

• B.

Cross bearings

• C.

Cross range

• D.

Bearing and speed

D. Bearing and speed
Explanation
This question is asking for a fix that can be obtained through different methods. The options provided are bearing and range, cross bearings, cross range, and bearing and speed. The correct answer is "bearing and speed" because obtaining a fix using bearing and speed is not a common method. Bearing and range, cross bearings, and cross range are all commonly used methods for obtaining a fix.

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• 21.

### The course label indidates true direction

• A.

True

• B.

False

A. True
Explanation
The explanation for the given correct answer is that the course label indicates the true direction. This means that the course label accurately represents the direction in which something is moving or should be followed. Therefore, the statement is true.

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• 22.

### Time is not an item of information that is essential to mark a fix

• A.

True

• B.

False

B. False
Explanation
The statement suggests that time is not necessary to mark a fix, meaning that it is not essential to have information about the specific time when a fix is made. This implies that time does not play a crucial role in the process of marking a fix. Therefore, the correct answer is False, indicating that time is indeed an item of information that is essential to mark a fix.

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• 23.

### The navigation record book must be neatly kept

• A.

True

• B.

False

A. True
Explanation
The statement is suggesting that the navigation record book should be kept neatly. This implies that there is a requirement for the book to be organized and maintained in a tidy manner. Therefore, the correct answer is true, indicating that the statement is accurate.

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• 24.

### Another type of line of position (LOP) can be obtained by finding the range of a mark

• A.

True

• B.

False

A. True
Explanation
Another type of line of position (LOP) can be obtained by finding the range of a mark. This means that by determining the distance between a fixed point (such as a navigational mark or landmark) and the observer's position, a line of position can be established. This is a common method used in navigation to determine one's position on a chart or map. Therefore, the statement is true.

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• 25.

### If a large cocked hat is formed, you must take anoter fix

• A.

True

• B.

False

A. True
Explanation
If a large cocked hat is formed, it means that the intersection of the lines of position creates a shape resembling a cocked hat. This indicates that there is a significant amount of uncertainty in the fix, and it is advisable to take another fix to improve the accuracy of the position determination. Therefore, the statement "if a large cocked hat is formed, you must take another fix" is true.

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• 26.

### When labeling the speed on the chart, it should be written as capital S on top of the course line

• A.

True

• B.

False

B. False
Explanation
The explanation for the given correct answer is that when labeling the speed on the chart, it is not necessary to write it as a capital S on top of the course line. The speed can be labeled in any format or position on the chart, as long as it is clear and understandable. Therefore, the statement is false.

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• 27.

### The variation can be found in the outer circle of the compass rose

• A.

True

• B.

False

B. False
Explanation
The statement is false because the variation, which refers to the difference between magnetic north and true north, is not found in the outer circle of the compass rose. The compass rose typically displays the cardinal directions (north, south, east, west) and may include additional directional markings, but it does not indicate the variation. The variation is usually indicated on a nautical chart or a separate chart called a compass rose variation diagram.

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• 28.

### When writting the time, it is written on a 12 hour basis

• A.

True

• B.

False

B. False
Explanation
The explanation for the correct answer, which is False, is that when writing the time, it can be written on either a 12-hour basis or a 24-hour basis. A 12-hour basis uses the AM/PM system, while a 24-hour basis uses a continuous count from 0 to 23. Therefore, the statement that "when writing the time, it is written on a 12-hour basis" is incorrect.

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• 29.

### Time is usually expressed in four figures

• A.

True

• B.

False

A. True
Explanation
The statement "time is usually expressed in four figures" is true. This means that when we typically express time, we use four digits to represent it, with two digits for the hours and two digits for the minutes. For example, 9:30 is expressed as 0930. This format is commonly used in various contexts, such as digital clocks, schedules, and timetables.

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• 30.

### To erase a data on the deck log, you must draw 2 lines

• A.

True

• B.

False

B. False
Explanation
To erase data on the deck log, you do not need to draw two lines. This statement is incorrect.

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• 31.

### When determing the speed by the use of a common log, the observer counts the knots in the log line being paid out

• A.

True

• B.

False

A. True
Explanation
When determining the speed by the use of a common log, the observer counts the knots in the log line being paid out. This statement is true because in traditional navigation, a common log is a device used to measure the speed of a ship. The log line, which is a rope with knots at regular intervals, is thrown overboard and allowed to run out while the ship moves forward. The observer then counts the number of knots that pass through their hands in a specific time period, which allows them to calculate the ship's speed.

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• 32.

### Times of dead reckoning (dr) are placed horizontally to the course line

• A.

True

• B.

False

B. False
Explanation
The statement is false because times of dead reckoning (dr) are not placed horizontally to the course line. Dead reckoning is a method of navigation where the position is estimated based on a previously known position, course, and speed. The times of dead reckoning are usually recorded vertically along the course line to track the progress of the vessel or aircraft.

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• 33.

### Charts should be checked prior to your disembarkation

• A.

True

• B.

False

B. False
Explanation
The given statement is false. Charts should be checked prior to embarkation, not disembarkation. Checking charts before boarding a ship or aircraft is important to ensure a smooth and safe journey.

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• 34.

### The items to be recorded in the deck log are non essentials of the important items

• A.

True

• B.

False

B. False
Explanation
The statement is false because the items to be recorded in the deck log are actually the important items, not the non-essentials. The deck log is a detailed record of the ship's activities, including navigation, weather conditions, communications, and any significant events or incidents. It is a crucial document for maintaining accurate records and ensuring the safety and efficiency of the ship's operations.

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• 35.

### Times of fixes are placed at an angle to the course line

• A.

True

• B.

False

B. False
Explanation
The statement is false because times of fixes are not placed at an angle to the course line. Times of fixes are actually placed on the course line to accurately determine the position of a vessel or aircraft.

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• 36.

### Finding the range must be done visually

• A.

True

• B.

False

B. False
Explanation
Finding the range does not necessarily have to be done visually. There are various methods and techniques available to find the range of a set of data, such as using mathematical formulas, statistical analysis, or using software tools. Visual inspection may be one approach, but it is not the only way to determine the range.

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• 37.

### Any defect instruments should not be repaired before voyage to avoid delay

• A.

True

• B.

False

B. False
Explanation
The statement suggests that any defective instruments should not be repaired before a voyage to avoid delay. However, this statement is incorrect. It is crucial to repair any defective instruments before a voyage to ensure the safety and efficiency of the journey. Failing to repair defective instruments can lead to potential accidents or malfunctions during the voyage, which can cause significant delays or even endanger the lives of those on board. Therefore, the correct answer is False.

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• 38.

### To reduce the error in taking a position, the LOP should be cut at as small angle

• A.

True

• B.

False

B. False
Explanation
The statement suggests that in order to reduce the error in taking a position, the Line of Position (LOP) should be cut at a small angle. However, this is incorrect. In reality, cutting the LOP at a larger angle can help reduce the error in taking a position. A larger angle provides a better intersection of multiple LOPs, resulting in a more accurate position fix. Therefore, the correct answer is false.

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• 39.

### To establish a position accurately, you must use a landmark

• A.

True

• B.

False

A. True
Explanation
To establish a position accurately, using a landmark is necessary. Landmarks serve as reference points that help individuals determine their exact location. Without a landmark, it would be challenging to determine one's position accurately. Therefore, the statement is true.

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• 40.

### Position lines should not be used if the anlge of cut less than 30 degrees

• A.

True

• B.

False

B. False
Explanation
The statement is saying that position lines should not be used if the angle of cut is less than 30 degrees. This statement is false because position lines can be used for any angle of cut, regardless of how small or large the angle is. Position lines are used to accurately position and guide the cutting tool, and they can be used for any angle of cut to ensure precise and accurate cutting.

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• 41.

### Mt super ego departed from latitude 20 degrees 10 minutes south, longitude 158 degrees 02 minutes east, on february 28, 2009 at 2000 hours, she travelled to latitude 34 degrees 18 minutes north, longitude 152 degrees 31 minutes west and travelled a distance of 8,460 nautical miles with a speed of 21.7 knots which of the following is her difference of latitude ("l") in arc

• A.

14 degrees 08 minutes north

• B.

14 degrees 08 minutes south

• C.

54 degrees 28 minutes north

• D.

54 degrees 28 minutes south

C. 54 degrees 28 minutes north
Explanation
The correct answer is 54 degrees 28 minutes north. This is because the question asks for the difference of latitude, which is the change in latitude from the starting point to the destination point. In this case, the starting latitude is 20 degrees 10 minutes south and the destination latitude is 34 degrees 18 minutes north. To find the difference, we subtract the starting latitude from the destination latitude: 34 degrees 18 minutes - 20 degrees 10 minutes = 14 degrees 08 minutes. Since the destination latitude is north of the starting latitude, the correct answer is 14 degrees 08 minutes north.

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• 42.

### mt super ego departed from latitude 20 degrees 10 minutes south, longitude 158 degrees 02 minutes east, on february 28, 2009 at 2000 hours, she travelled to latitude 34 degrees 18 minutes north, longitude 152 degrees 31 minutes west and travelled a distance of 8,460 nautical miles with a speed of 21.7 knots which of the following is her difference of latitude ("l") in nautical miles

• A.

848 nautical miles north

• B.

848 nautical miles south

• C.

3,268 nauticial miles north

• D.

3,268 nauticial miles south

C. 3,268 nauticial miles north
Explanation
The correct answer is 3,268 nautical miles north. This is determined by subtracting the latitude of the departure point (20 degrees 10 minutes south) from the latitude of the destination point (34 degrees 18 minutes north). The difference in latitude is 14 degrees 28 minutes, which can be converted to nautical miles using the conversion factor of 60 nautical miles per degree of latitude. Therefore, the difference in latitude is 14 degrees 28 minutes * 60 nautical miles per degree = 868 nautical miles. Since the destination point is north of the departure point, the answer is 868 nautical miles north.

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• 43.

### mt super ego departed from latitude 20 degrees 10 minutes south, longitude 158 degrees 02 minutes east, on february 28, 2009 at 2000 hours, she travelled to latitude 34 degrees 18 minutes north, longitude 152 degrees 31 minutes west and travelled a distance of 8,460 nautical miles with a speed of 21.7 knots which of the following is her difference of longitude (dlo) in arc

• A.

005 degrees 31 minutes west

• B.

005 degrees 31 minutes east

• C.

049 degrees 27 minutes west

• D.

049 degrees 27 minutes east

D. 049 degrees 27 minutes east
Explanation
The correct answer is 049 degrees 27 minutes east. This is because the ship traveled from a longitude of 158 degrees 02 minutes east to 152 degrees 31 minutes west, which is a total difference of 210 degrees 33 minutes. To convert this to the eastern direction, we subtract 180 degrees, resulting in a difference of 029 degrees 27 minutes. Since the ship traveled east, we add this difference to the starting longitude, giving us a final difference of 049 degrees 27 minutes east.

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• 44.

### Ms blue eagle departed from latitude 35 degrees 04 minutes 48 seconds south, longitude 140 degrees 02 minutes west, on february 28, 2010, at 0930 hours, she travelled for 16 days 18 hours 48 minutes with a speed of 20.8 knots to lattitude 38 degrees 12.4 minutes south, longitude 123 degrees 10.6 minutes east which of the following is her difference of latitude ("l") in arc

• A.

03 degrees 07 minutes 36 seconds south

• B.

03 degrees 07 minutes 36 seconds north

• C.

73 degrees 17 minutes 12 seconds south

• D.

73 degrees 17 minutes 12 seconds north

A. 03 degrees 07 minutes 36 seconds south
Explanation
The difference of latitude is the change in latitude between the starting and ending points of the journey. In this case, the starting latitude is 35 degrees 04 minutes 48 seconds south and the ending latitude is 38 degrees 12.4 minutes south. To find the difference, we subtract the starting latitude from the ending latitude. The difference is 03 degrees 07 minutes 36 seconds south.

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• 45.

### ms blue eagle departed from latitude 35 degrees 04 minutes 48 seconds south, longitude 140 degrees 02 minutes west, on february 28, 2010, at 0930 hours, she travelled for 16 days 18 hours 48 minutes with a speed of 20.8 knots to lattitude 38 degrees 12.4 minutes south, longitude 123 degrees 10.6 minutes east which of the following is her difference of latitude ("l") in nautical miles (n.m.)

• A.

187.6 nautical miles south

• B.

187.6 nautical miles north

• C.

4,397.2 nautical miles south

• D.

4,397.2 nautical miles north

A. 187.6 nautical miles south
Explanation
The difference of latitude is the distance between the starting latitude and the ending latitude. In this case, the starting latitude is 35 degrees 04 minutes 48 seconds south and the ending latitude is 38 degrees 12.4 minutes south. By subtracting the two latitudes, we can find the difference. Therefore, the correct answer is 187.6 nautical miles south.

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• 46.

### ms blue eagle departed from latitude 35 degrees 04 minutes 48 seconds south, longitude 140 degrees 02 minutes west, on february 28, 2010, at 0930 hours, she travelled for 16 days 18 hours 48 minutes with a speed of 20.8 knots to lattitude 38 degrees 12.4 minutes south, longitude 123 degrees 10.6 minutes east which of the following is her difference of longitude ("dlo") in arc

• A.

016 degrees 51 minutes 24 seconds east

• B.

016 degrees 51 minutes 24 seconds west

• C.

096 degrees 47 minutes 24 seconds east

• D.

096 degrees 47 minutes 24 seconds west

D. 096 degrees 47 minutes 24 seconds west
Explanation
The difference of longitude ("dlo") can be calculated by subtracting the longitude of the starting point from the longitude of the destination point. In this case, the longitude of the starting point is 140 degrees 02 minutes west, and the longitude of the destination point is 123 degrees 10.6 minutes east. To subtract these two values, we need to convert them to the same direction (either both east or both west). Since the starting point is already in the west direction, we convert the destination point to the west direction as well. Therefore, the difference of longitude is 140 degrees 02 minutes - 123 degrees 10.6 minutes = 016 degrees 51 minutes 24 seconds west.

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• 47.

### ms blue eagle departed from latitude 35 degrees 04 minutes 48 seconds south, longitude 140 degrees 02 minutes west, on february 28, 2010, at 0930 hours, she travelled for 16 days 18 hours 48 minutes with a speed of 20.8 knots to lattitude 38 degrees 12.4 minutes south, longitude 123 degrees 10.6 minutes east which of the following is her difference of longitude ("dlo") in nautical miles

• A.

1,011.4 nautical miles east

• B.

1,011.4 nautical miles north

• C.

5,807.4 nautical miles east

• D.

5,807.4 nautical miles west

D. 5,807.4 nautical miles west
Explanation
The correct answer is 5,807.4 nautical miles west. This can be calculated by finding the difference in longitude between the starting and ending points. The starting point is at longitude 140 degrees 02 minutes west and the ending point is at longitude 123 degrees 10.6 minutes east. To find the difference, we subtract the ending longitude from the starting longitude. Since the ending longitude is east and the starting longitude is west, we need to convert the ending longitude to west. This can be done by adding 360 degrees to the ending longitude. After calculating the difference, we convert it to nautical miles by multiplying it by the cosine of the latitude. The result is 5,807.4 nautical miles west.

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• 48.

### ms blue eagle departed from latitude 35 degrees 04 minutes 48 seconds south, longitude 140 degrees 02 minutes west, on february 28, 2010, at 0930 hours, she travelled for 16 days 18 hours 48 minutes with a speed of 20.8 knots to lattitude 38 degrees 12.4 minutes south, longitude 123 degrees 10.6 minutes east which of the following is her steaming time in hours

• A.

402.8 hours

• B.

450.8 hours

• C.

820. hours

• D.

978.8 hours

A. 402.8 hours
Explanation
The steaming time can be calculated by subtracting the departure time from the arrival time. The departure time is given as February 28, 2010, at 0930 hours and the arrival time is not provided. Therefore, the question is incomplete and an explanation cannot be generated.

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• 49.

### ms blue eagle departed from latitude 35 degrees 04 minutes 48 seconds south, longitude 140 degrees 02 minutes west, on february 28, 2010, at 0930 hours, she travelled for 16 days 18 hours 48 minutes with a speed of 20.8 knots to lattitude 38 degrees 12.4 minutes south, longitude 123 degrees 10.6 minutes east which of the following is her distance traveled

• A.

8,378.24 nautical miles

• B.

9,376.64 nautical miles

• C.

17,056 nautical miles

• D.

20,359.04 nautical miles

A. 8,378.24 nautical miles
Explanation
The distance traveled can be calculated using the formula: Distance = Speed x Time.
Given that the speed is 20.8 knots and the time is 16 days 18 hours 48 minutes, we need to convert the time into hours.
16 days is equal to 16 x 24 = 384 hours.
18 hours and 48 minutes is equal to 18 + (48/60) = 18.8 hours.
So the total time is 384 + 18.8 = 402.8 hours.
Now, we can calculate the distance by multiplying the speed (20.8 knots) by the time (402.8 hours).
Distance = 20.8 x 402.8 = 8,378.24 nautical miles.

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• 50.

### ms blue eagle departed from latitude 35 degrees 04 minutes 48 seconds south, longitude 140 degrees 02 minutes west, on february 28, 2010, at 0930 hours, she travelled for 16 days 18 hours 48 minutes with a speed of 20.8 knots to lattitude 38 degrees 12.4 minutes south, longitude 123 degrees 10.6 minutes east which of the following is her estimated time of arrival (E.T.A.) and date

• A.

0418 hours on 15 march 2009

• B.

0418 hours on 16 march 2009

• C.

0418 hours on 17 march 2009

• D.

0418 hours on 18 march 2009