HESI RN COMPASS EXIT EXAM V1 NGN 2023 LATEST
UPDATE QUESTION & 100% CORRECT ANSWERS/A+
GRADE
1 - USCG 6418
The compass rose on a nautical chart indicates both variation and __________.
A. deviation
B. compass error
C. precession
D. annual rate of variation change - ANSWER: D. annual rate of variation change
2 - USCG 6599
What is the compass course of a vessel heading NNW?
A. 274.5°
B. 292.0°
C. 315.5°
D. 337.5° - ANSWER: D. 337.5°
3 - USCG 6643
The quadrantal spheres are used to __________.
A. remove deviation on the intercardinal headings
B. remove heeling error
C. compensate for induced magnetism in vertical soft iron
D. remove deviation on the cardinal compass headings - ANSWER: A. remove
deviation on the intercardinal headings
4 - USCG 6648
The vertical component of the Earth's magnetic field causes induced magnetism in
vertical soft iron. This changes with latitude. What corrects for this coefficient of the
deviation?
A. The Flinders bar
B. Bar magnets in the binnacle
C. Quadrantal soft iron spheres
D. The heeling magnet - ANSWER: A. The Flinders bar
5 - USCG 6653
A single vertical magnet placed underneath the compass in the binnacle is used to
compensate for __________.
A. induced magnetism in the vertical soft iron
B. deviation caused by the vessel's inclination from the vertical
C. induced magnetism in the horizontal soft iron
D. the horizontal component of the permanent magnetism - ANSWER: B. deviation
caused by the vessel's inclination from the vertical
6 - USCG 6654
The principal purpose of magnetic compass adjustment is to __________.
,A. reduce the variation as much as possible
B. allow the compass bowl to swing freely on its gimbals
C. reduce the magnetic dip as much as possible
D. reduce the deviation as much as possible - ANSWER: D. reduce the deviation as
much as possible
7 - USCG 6655
When adjusting a magnetic compass for error, a deviation table should be made
__________.
A. after adjusting the fore-and-aft and athwartships permanent magnets
B. before the quadrantal correctors are placed on the compass
C. before correcting for any deviation
D. after correcting for variation - ANSWER: A. after adjusting the fore-and-aft and
athwartships permanent magnets
8 - USCG 6659
The total magnetic effects which cause deviation of a vessel's compass can be broken
down into a series of components which are referred to as __________.
A. equations
B. fractional parts
C. coefficients
D. divisional parts - ANSWER: C. coefficients
9 - USCG 6660
Magnetic compass deviation __________.
A. is the angular difference between magnetic north and compass north
B. is the angular difference between geographic and magnetic meridians
C. is published on the compass rose on most nautical charts
D. varies depending upon the bearing used - ANSWER: A. is the angular difference
between magnetic north and compass north
10 - USCG 6661
If a ship is proceeding towards the magnetic equator, the uncorrected deviation due
to permanent magnetism __________.
A. remains the same
B. is unimportant and may be neglected
C. decreases
D. increases - ANSWER: C. decreases
11 - USCG 6662
If the compass heading and the magnetic heading are the same then __________.
A. there is something wrong with the compass
B. the deviation has been offset by the variation
C. there is no deviation on that heading
D. the compass is being influenced by nearby metals - ANSWER: C. there is no
deviation on that heading
, 12 - USCG 6664
The difference between magnetic heading and compass heading is called
__________.
A. compass error
B. drift
C. variation
D. deviation - ANSWER: D. deviation
13 - USCG 6667
The compass deviation changes as the vessel changes __________.
A. speed
B. longitude
C. heading
D. geographical position - ANSWER: C. heading
14 - USCG 6671
Variation in a compass is caused by __________.
A. lack of oil in the compass bearings
B. magnetism within the vessel
C. magnetism from the earth's magnetic field
D. worn gears in the compass housing - ANSWER: C. magnetism from the earth's
magnetic field
15 - USCG 6674
If a magnetic compass is not affected by any magnetic field other than the Earth's,
which statement is TRUE?
A. There will be no compass error.
B. Compass error and variation are equal.
C. Compass north will be true north.
D. Variation will equal deviation.
Test - ANSWER: B. Compass error and variation are equal.
16 - USCG 6676
When crossing the magnetic equator the __________.
A. Flinders bar should be inverted
B. Flinders bar should be moved to the opposite side of the binnacle
C. the quadrantal spheres should be rotated 180°
D. heeling magnet should be inverted - ANSWER: D. heeling magnet should be
inverted
17 - USCG 6680
The standard magnetic compass heading differs from the true heading by
__________.
A. variation
B. latitude
C. deviation
D. compass error - ANSWER: D. compass error
UPDATE QUESTION & 100% CORRECT ANSWERS/A+
GRADE
1 - USCG 6418
The compass rose on a nautical chart indicates both variation and __________.
A. deviation
B. compass error
C. precession
D. annual rate of variation change - ANSWER: D. annual rate of variation change
2 - USCG 6599
What is the compass course of a vessel heading NNW?
A. 274.5°
B. 292.0°
C. 315.5°
D. 337.5° - ANSWER: D. 337.5°
3 - USCG 6643
The quadrantal spheres are used to __________.
A. remove deviation on the intercardinal headings
B. remove heeling error
C. compensate for induced magnetism in vertical soft iron
D. remove deviation on the cardinal compass headings - ANSWER: A. remove
deviation on the intercardinal headings
4 - USCG 6648
The vertical component of the Earth's magnetic field causes induced magnetism in
vertical soft iron. This changes with latitude. What corrects for this coefficient of the
deviation?
A. The Flinders bar
B. Bar magnets in the binnacle
C. Quadrantal soft iron spheres
D. The heeling magnet - ANSWER: A. The Flinders bar
5 - USCG 6653
A single vertical magnet placed underneath the compass in the binnacle is used to
compensate for __________.
A. induced magnetism in the vertical soft iron
B. deviation caused by the vessel's inclination from the vertical
C. induced magnetism in the horizontal soft iron
D. the horizontal component of the permanent magnetism - ANSWER: B. deviation
caused by the vessel's inclination from the vertical
6 - USCG 6654
The principal purpose of magnetic compass adjustment is to __________.
,A. reduce the variation as much as possible
B. allow the compass bowl to swing freely on its gimbals
C. reduce the magnetic dip as much as possible
D. reduce the deviation as much as possible - ANSWER: D. reduce the deviation as
much as possible
7 - USCG 6655
When adjusting a magnetic compass for error, a deviation table should be made
__________.
A. after adjusting the fore-and-aft and athwartships permanent magnets
B. before the quadrantal correctors are placed on the compass
C. before correcting for any deviation
D. after correcting for variation - ANSWER: A. after adjusting the fore-and-aft and
athwartships permanent magnets
8 - USCG 6659
The total magnetic effects which cause deviation of a vessel's compass can be broken
down into a series of components which are referred to as __________.
A. equations
B. fractional parts
C. coefficients
D. divisional parts - ANSWER: C. coefficients
9 - USCG 6660
Magnetic compass deviation __________.
A. is the angular difference between magnetic north and compass north
B. is the angular difference between geographic and magnetic meridians
C. is published on the compass rose on most nautical charts
D. varies depending upon the bearing used - ANSWER: A. is the angular difference
between magnetic north and compass north
10 - USCG 6661
If a ship is proceeding towards the magnetic equator, the uncorrected deviation due
to permanent magnetism __________.
A. remains the same
B. is unimportant and may be neglected
C. decreases
D. increases - ANSWER: C. decreases
11 - USCG 6662
If the compass heading and the magnetic heading are the same then __________.
A. there is something wrong with the compass
B. the deviation has been offset by the variation
C. there is no deviation on that heading
D. the compass is being influenced by nearby metals - ANSWER: C. there is no
deviation on that heading
, 12 - USCG 6664
The difference between magnetic heading and compass heading is called
__________.
A. compass error
B. drift
C. variation
D. deviation - ANSWER: D. deviation
13 - USCG 6667
The compass deviation changes as the vessel changes __________.
A. speed
B. longitude
C. heading
D. geographical position - ANSWER: C. heading
14 - USCG 6671
Variation in a compass is caused by __________.
A. lack of oil in the compass bearings
B. magnetism within the vessel
C. magnetism from the earth's magnetic field
D. worn gears in the compass housing - ANSWER: C. magnetism from the earth's
magnetic field
15 - USCG 6674
If a magnetic compass is not affected by any magnetic field other than the Earth's,
which statement is TRUE?
A. There will be no compass error.
B. Compass error and variation are equal.
C. Compass north will be true north.
D. Variation will equal deviation.
Test - ANSWER: B. Compass error and variation are equal.
16 - USCG 6676
When crossing the magnetic equator the __________.
A. Flinders bar should be inverted
B. Flinders bar should be moved to the opposite side of the binnacle
C. the quadrantal spheres should be rotated 180°
D. heeling magnet should be inverted - ANSWER: D. heeling magnet should be
inverted
17 - USCG 6680
The standard magnetic compass heading differs from the true heading by
__________.
A. variation
B. latitude
C. deviation
D. compass error - ANSWER: D. compass error
