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WorksheetsCivil war Day 15-Oct 9-PWD-Traversing&Advanced surveying
Total questions: 10
Worksheet time: 10mins
Name
Class
Date
1.
The operation of applying corrections to latitudes and departures is known as
a)
Adjusting the traverse
b)
Correcting the traverse
c)
Balancing the traverse
d)
All of the above
2.
Which rule is used to balance the traverse when angular and linear measurements are equally precise?
a)
Transit rule
b)
Bowditch rule
c)
Both A and B
d)
None of these
3.
In a closed traverse with five sides, the error found from the fore bearing and back bearing of the last line is +2°. The correction to the third line will be
a)
0°24′
b)
0°48′
c)
1°12′
d)
1°36′
4.
In a total station, if the instrument is not firmly tightened on the tripod head, the error introduced is known as
a)
Parallax
b)
Slip
c)
Inaccurate centering
d)
Inaccurate levelling
5.
The distance from two points on a photographic plate to the principal point are 68.24 mm to the left and 58.48 mm to the right. The angle between the two points measured with a transit theodolite is 44° 30′. Focal length of the lens is equal to:
a)
150 mm
b)
154.7 mm
c)
160 mm
d)
180 mm
6.
The angle between the observer's meridian and the vertical circle passing through a heavenly body is
a)
Altitude
b)
Azimuth
c)
Declination
d)
Hour angle
7.
How is a site plan prepared after finishing field work in a total station survey?
a)
By using co-ordinate system
b)
Absolute continuous encoder
c)
EDM
d)
In drawing sheet
8.
Remote sensing work where the system has no energy source of its own but depends on an external source of energy is called
a)
Active remote sensing
b)
Passive remote sensing
c)
SLAR
d)
LIDAR
9.
To uniquely determine the position of the user using GPS, one needs to receive signals from at least
a)
1 satellite
b)
2 satellites
c)
3 satellites
d)
4 satellites
10.
A raster layer in GIS and photogrammetry is one which gives information on
a)
Selected points in region
b)
Specified areas
c)
Colours of selected places
d)
Attribute of all pixels
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