True/False
Indicate whether the
statement is true or false.
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1.
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The arrow or needle of a
compass always points to the East.
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2.
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When using an azimuth compass,
you need only to give the number of degrees, not any north, south, east, or west
readings.
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3.
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If a compass has numbers that
range from 0 to 90, it is half of the compass.
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4.
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When using a compass, it must
be held level so that the needle may swing freely.
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5.
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Leaving a high quality compass
sitting in the sun on a hot day may cause inaccurate readings.
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6.
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If the compass has a mirror, it
is impossible to use the compass without using the mirror.
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7.
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Long shots (objects far away
from the compass person) are more accurate than short shots (objects close to the compass person)
when using a hand compass.
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8.
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Many good quality compasses
have an adjustment for magnetic declination.
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9.
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Some good quality compasses may
also be used to determine bearings on maps.
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10.
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Pacing is a very accurate
method of measuring distance.
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11.
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A staff compass is generally
considered to be more accurate than a hand compass.
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Multiple Choice
Identify the choice that
best completes the statement or answers the question.
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12.
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The difference between magnetic
north pole and true north pole is called____.
a. | magnetic
variance | b. | magnetic declination | c. | true varance | d. | true declination | e. | tru versus magnetic variance and
declination |
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13.
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Two commonly used compasses are
_____.
a. | quadrant and
azimuth | c. | winter and summer
models | b. | variable and constant | d. | flat land and hilly land models |
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14.
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The ____ compass has readings
from 0 to 360 degrees.
a. | quadrant | c. | variable | b. | azimuth | d. | constant |
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15.
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The _______ compass is divided
into 4 equal sections, each with readings from 0 to 90 degrees.
a. | quadrant | c. | variable | b. | azimuth | d. | constant |
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16.
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On an azimuth compass, the
reading for north is ______.
a. | 0
degrees | d. | 0 and 360
degrees | b. | 360 degrees | e. | 0 and 180 degrees | c. | 180 degrees |
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17.
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On an azimuth compass, the
reading for east is ____degrees.
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18.
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On and azimuth compass, he
reading for south is _____ degrees.
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19.
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On an azimuth compass, the
reading for west is _____ degrees.
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20.
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On a quadrant compass, the
reading for east is ______ degrees.
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21.
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On a quadrant compass, the
reading for south is ______ degrees.
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22.
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On a quadrant compass, the
reading for west is ______ degrees.
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23.
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On a quadrant compass, the
reading for north is _____ degrees.
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24.
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When using a quadrant compass,
which is the correct way to wirte an accuate reading for southwest?
a. | South 45 degrees
East | b. | East 45 degrees South | c. | 45 degrees Southwest | d. | South 45 degrees West | e. | 45 degrees South
Southwest |
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25.
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What is the correct way to
write the direction Northeast, using a quadrant compass?
a. | Northwest 45
degrees | b. | North 45 degrees East | c. | East 45 degrees North | d. | Northeast 90 degrees | e. | Morth 90 degrees
East |
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26.
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What is the correct way to
write Southwest, using an azimuth compass?
a. | SW 45
degrees | b. | South 45 degrees West | c. | 225 degrees | d. | 45 degrees | e. | 225 degrees
SW |
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27.
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What is the correct way to
write the direction Northwest, using an azimuth compass?
a. | 315
degrees | b. | NW 45 degrees | c. | North 45 degrees West | d. | NW 315 degrees | e. | North 315 degrees
West |
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28.
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When writing the direction for
a quadrant compass, _____ is given first.
a. | degrees | b. | North or South | c. | East or West |
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29.
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When writing the direction for
a quadrant compass, _____ is given second.
a. | degrees | b. | North or South | c. | East or West |
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30.
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When writing the direction for
a quadran compass, _____ is given last.
a. | degrees | b. | North or South | c. | East or West |
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31.
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If the reading on an azimuth
compass is 135 degrees, the same direction on a qudrant compass would read ____.
a. | S 135 degrees
E | c. | S 45 degrees
E | b. | SE 135
degrees | d. | SE 45
degrees |
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32.
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If the reading on an azimuth
compass is 210 degrees, the same direction on a qudrant compass would read ____.
a. | SE 210
degrees | d. | SW 30
degrees | b. | S 30 degrees E | e. | S 30 degrees W | c. | SW 210 degrees |
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33.
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If the reading on a quadrant
compass is N 60 degrees E, the same direction on an aziimuth compass would read _____.
a. | 60
degrees | b. | 150
degrees | c. | 160
degrees | d. | 240
degrees | e. | 260
degrees |
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34.
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If the reading on a quadrant
compass is S 60 degrees W, the same direction on an aziimuth compass would read _____.
a. | 60
degrees | b. | 150
degrees | c. | 160
degrees | d. | 240
degrees | e. | 260
degrees |
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35.
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When extremely accurate
bearing readings are needed, compasses that use a _____ can be used.
a. | level | b. | neckstring | c. | mirror | d. | conversion scale from English to
metric |
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36.
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Compass readings may be thrown
off if _____ objects are near the compass.
a. | aluminum | c. | iron | b. | tall | d. | wooden |
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37.
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If you are taking a bearing
from tree A to tree B, the best way to check the
bearing is ____.
a. | check from tree A to tree
C | c. | average the bearing of A, B, and
C | b. | take a backsight from B to
A | d. | quessing |
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38.
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When taking a backsight with an
azimuth compass, the backsight reading should differ from the foresight by _____ degrees.
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39.
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If the bearing from tree A to
tree B is 152 degrees, the backsight bearing from tree B to tree A should be ____ degrees.
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40.
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If the bearing from tree A to
tree B is 305 degrees, the backsight bearing should be ____ degrees.
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41.
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When using a quadrant compass,
the difference between a foresight and a backsight should be ____ degrees.
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42.
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Compass use by a forester will
allow him/her to _____.
a. | establish property
lines | c. | determine the area of a tract of
land | b. | make timber cutting ines | d. | all the above |
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43.
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In central Maine, the magnetic
declination is approximately ____.
a. | 30 degrees
east | b. | 18 degrees east | c. | 0 degrees | d. | 18 degrees west | e. | 30 degrees west |
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44.
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The magnetic declination of
eastern Wisconsin, eastern Illinois, western Kentucky and Tennesseee, central Alabama, and the
Florida panhandle is around ____.
a. | 20 degrees
wfest | b. | 10 degrees west | c. | 0 degrees | d. | 10 degrees east | e. | 20 degrees east |
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45.
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The magnetic declination of
western Montana, central Idaho, southeastern Oregon, and northern California is approximately
____.
a. | 20 degrees
west | d. | 10 degrees
east | b. | 10 degrees west | e. | 20 degrees east | c. | 0 degrees |
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46.
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Which of the following
occupations would be least involved with compass use and magnetic declination?
a. | Civil
engineers | c. | Custom sawmill
operator | b. | Foresters | d. | Soil conservationist |
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47.
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When measuring the distance
between two points, foresters often use ______.
a. | stepping | b. | pacing | c. | guessing | d. | walking |
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48.
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Pacing usually indicates _____
step/s.
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49.
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The distance between true north
and magnetic north is about _____ miles.
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50.
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Clouds, trees, and other
physical barriers may make determining a direction impossible, so foresters need to be able to
use a compass.
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