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WorksheetsCivilwar-Day 13(Oct 7)-PWD-Chain,Compass & Plane table survey
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
What is the true distance between two points? Measured distance = 720 m. Length of chain = 20 m. Error in chain = (+) 4 cm.
a)
720.44 m
b)
721.44 m
c)
722.44 m
d)
723.44 m
2.
Which line should be drawn first while plotting?
a)
Tie line
b)
Base line
c)
Chain line
d)
Check line
3.
Which instrument is used for transferring the points to the ground while chaining on a sloping ground?
a)
Arrows
b)
Plumb bob
c)
Steel band
d)
Wooden peg
4.
Bearing of AB is 160°, bearing of BC is 330°, then angle ABC is
a)
30°
b)
110°
c)
170°
d)
10°
5.
The latitude and departure of any point with reference to the preceding point are called
a)
Co-ordinates
b)
Consecutive co-ordinates
c)
Independent co-ordinates
d)
XY co-ordinate
6.
In prismatic compass, when the needle points to north, the reading under the prism should be
a)
0°
b)
90°
c)
180°
d)
270°
7.
Diurnal variation of magnetic declination is
a)
Greater at equator than nearer the poles
b)
Less at equator than nearer the poles
c)
Less in summer than in winter
d)
Same at all latitudes and during different months
8.
The fix of a plane table from three known points is good if
a)
Middle station is nearest
b)
Middle station is farthest
c)
Either the right or left station is nearest
d)
None of these
9.
Intersection method of detailed plotting is most suitable for
a)
Forest
b)
Hilly areas
c)
Plains
d)
Urban areas
10.
In plane tabling the method used for establishing instrument station is
a)
Radiation
b)
Resection
c)
Intersection
d)
Traversing
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