WorksheetsSUR DAY 10
Total questions: 25
Worksheet time: 10mins
Name
Class
Date
1.
During fly levelling the plinth of a nearby building is selected as benchmark and its RL is assumed as +50.00. Then the selected BM is an example of
a)
GTS BM
b)
Temporary BM
c)
Arbitrary BM
d)
Permenant BM
2.
In which of the following Sopwith staff can be classified?
a)
Target staff
b)
Solid staff
c)
Folding type staff
d)
Self reading staff
3.
In leveling BS is 1.2 on BM whose RL is 100.00 and FS is noted as 1.200. Then the instrument is shifted and BS=1.100. What is the height of the instrument for the second station is
a)
100.1
b)
100.2
c)
101.1
d)
101.2
4.
In leveling, the error due to curvature is
a)
Positive
b)
Negative
c)
Compensating
d)
Progrssive
5.
Levelling across a river is done by
a)
Fly levelling
b)
Reciprocal levelling
c)
Trignometrical levelling
d)
Cross leveling
6.
Height of instrument is the
a)
Ground level to centre of Telescope
b)
Ground level to staff reading
c)
Reduced level of benchmark
d)
Reduced level of line of sight
7.
The staff reading taken after the instrument set up is called
a)
Backsight
b)
Foresight
c)
Intermediate sight
d)
Both Foresight and Backsight
8.
The operation of levelling to determining the elevation of points some distance apart or to establish bench marks is called
a)
Precise levelling
b)
Differential levelling
c)
Simple levelling
d)
Profile levelling
9.
If the temperature is increased the sensitivity will be
a)
increasing
b)
decreasing
c)
remain stationary
d)
None of the above
10.
The ring contours having higher values inwards represents
a)
Pond
b)
River
c)
Lake
d)
Hill
11.
A level line is a
a)
Horizontal line
b)
Line parallel to mean sheroidal surface of earth
c)
Line through centre of cross hairs and centre of eyepiece
d)
line passing through centres of objective and eyepiece
12.
What is the angle of intersection of a contour an a ridge line
a)
30
b)
0
c)
45
d)
90
13.
To find RL of roof slab was taken. Reading ad BM= 1.050 m 2.300 with staff below roof slab, held inverted. Take RL of BM= 135.15m, The RL of roof slab will be
a)
129.8
b)
131.9
c)
134.4
d)
138.5
14.
A lighthouse is visible just above the horizon at a certain station at sea level. Distance between station and lighthouse= 40 km. The height of light house is
a)
187 m
b)
137.7 m
c)
107.70 m
d)
87.3 m
15.
Contour lines of diffrent elevations unite to form one line
a)
Vertical cliff
b)
Steep slope
c)
Hill
d)
Overhanging cliff
16.
A contour may be defined as an imaginary line passing through
a)
Points on the longitudinal section
b)
Points of equal elevation
c)
Points of equal ground slope
d)
Points of traverse section surveys
17.
In surveying, the measurements are taken in
a)
Vertical plane
b)
Inclined plane
c)
Horizontal plane
d)
Vertical and horizontal plane
18.
An angle measured clockwise from the proceeding survey line to the following survey line is called
a)
Vertical angle
b)
Horizontal angle
c)
Deflecction angle
d)
Direct angle
19.
In levelling, the correction for combined curvature and refraction in metres is equal to
a)
0.00785 D^2
b)
0.0785 D^2
c)
0.0112 D^2
d)
0.0673 D^2
20.
______ is a combination of Dumpy level and y-level
a)
Cookes Reversible level
b)
Cushings level
c)
Tilting level
d)
None of these
21.
Which among the following is an example for Non reversible level
a)
Y- level
b)
Tilting level
c)
Cushings level
d)
Cookes Reversible level
22.
Method of levelling in which heights of mountains are found by observing the temperature at which water boils.
a)
Barometric levelling
b)
Hypsometry
c)
Trignometric leveling
d)
None of these
23.
In the equation for permissible clossing error E=C√K , Value of C used when accurate levelling is carried out
a)
96
b)
24
c)
12
d)
6
24.
The capability of producing Bright image
a)
Definition
b)
Illumination
c)
Magnification
d)
None of these
25.
A compound lense free from Spherical aberration is known as
a)
Achromatic lens
b)
Aplanatic lens
c)
Analetic lens
d)
None of these
100 %
