Surveying MCQ
August 31, 2022 | Author: Anonymous | Category: N/A
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1.
Hydrographic surveys deal with the mapping of A . B .
large water bodies
heavenly bodies
C . D . E.
mountainous region canal system movement of clouds.
Answer: Option A
2. If h is the difference in level between end points separated by l , then the slope correction . The second term may be neglected if the value of h in a 20 m distance is less than
is A . B . C . D .
m 1m 2m
m
Answer: Option D
.
!n ideal vertical curve to to "oin two gradients, gradients, is A . B . C . D . E.
circular
parabolic elliptical
hyperbolic none of these.
Answer: Option B
#.
$ic% up the correct statement from the ffollowing ollowing & A . B .
the eyepiece plays no part in defining the line of sight
the diaphragm plays no part in defining the line of sight
C . D .
the optical centre of the ob"ective plays no part in defining the line of sight none of these.
Answer: Option A
'.
The intercept of a staff A . B
is ma(imum if the staff is held truly normal to the line of sight.
.
is minimum if the staff is held truly normal to the line of sight.
C .
decreases if the staff is tilted away from normal
D .
increases if the staff is tilted towards normal.
Answer: Option B
).
The radius of curvature of the arc of of the bubble tube is is generally %ept A . B . C . D .
10 m 2' m
'0 m
100 m
Answer: Option D
*. If S is is the length of a subchord and R is is the radius of simple curve, the angle of deflection between its tangent and sub+chord, in minutes, is eual to A .
'* S -R
B
'* R -S
. C . D
1*1. S -R
.
1*1/. R -S
E.
1*1/. S -R .
Answer: Option E
/.
The real image of an ob"ect formed by the ob"ective, must lie A . B . C . D .
in the plane of cross hairs
at the centre of the telescope at the optical centre of the eye+piece
anywhere inside the telescope.
Answer: Option A
.
In chain surveying tie lines are primarily provided A . B . C . D .
to chec% the accuracy of the survey
to ta%e offsets for detail survey to avoid long offsets from chain lines
to increase the number of chain lines.
Answer: Option C
10. $ic% up the correct statement from the following & A . B .
the tangent screw enables to give small movement under conditions of smooth and positive control standing on the tripod is the levelling head or trib arch
C .
the levelling screws are used to tilt the instrument so that its rotation a(is is truly vertical
D
all the above.
.
Answer: Option D
11 11.. One of the ehmanns rules of plane tabling, is A
location of the instrument station is always distant from each of the three rays from the %nown points in proportion to their distances
. B
when loo%ing in the direction of each of the given points, the instrument station will be on the right side of one and left side of the other ray
.
when the instrument station is outside the circumscribing circle its location is always on the opposite side of the ray to the most distant point as the in inter+section ter+section of the other two rays
C .
D
none of these.
.
Answer: Option A
12. If f 1 and f 2 are the distances from the optical centre of a conve( lens of focal length f to to con"ugate two points P 1and P 2 respectively, the following relationship holds good A .
f f 1 3 f 2
f
B .
4f 1 3 f 25
C . D .
none of these.
Answer:
C
Option 1. The accuracy of measurement in chain surveying, does not depend upon A . B . C . D .
length of the offset
scale of the plotting
importance of the features general layout of the chain lines.
Answer: Option D
1#. If arithmetic sum of latitudes of a closed traverse is 6Lat and and closing error in latitude is correction for a side whose latitude is l , as given by Transit 7ule, is
dx ,
the
A .
B . C . D .
none of these.
Answer: Option A
1'. 8losed contours of decreasing values towards their centre, represent A . B . C . D .
a hill a depression
a saddle or pass
a river bed.
Answer: Option B
1). If a 0 m chain diverges diverges through a perpendicular distance d from from its correct alignment, the error in length, is A .
B .
C .
D .
E.
. Answer: Option A
1*. 9iopter is the power of a lens having a focal length of A . B . C . D . E.
2' cm
'0 cm *' cm
100 cm 12' cm
Answer: Option D
1/. !n imaginary line "oining the points of eual elevation on the surface of the earth, represents A . B . C . D .
contour surface contour gradient
contour line
level line
E.
none of these. Answer: Option C
1. The fi( of a plane table station with three %nown points, is bad if the plane table station lies A . B . C . D
in the great triangle
outside the great triangle
on the circumference of the circumscribing circle none of these.
. Answer: Option C
20. If R is is the radius of the main curve, : the angle of deflection, transition curve, then, total tangent length of the curve, is
S the the
shift and L the length of the
A . B . C . D
4R + + S 5 tan :-2 + L-2 4R 3 3 S 5 tan :-2 + L-2 4R 3 3 S 5 tan :-2 3 L-2
.
4R + + S 5 tan :-2 3 L-2
E.
4R + + S 5 cos :-2 3 L-2
Answer: Option C
21. In chain surveying field wor% is limited to A . B . C . D .
linear measurements only angular measurements only
both linear and angular measurements
all the above.
Answer: Option A
22. Two concave lenses of )0 cm focal length are cemente cemented d on either side of a conve( lens of 1' cm focal length. The focal length of the combination is A . B . C . D .
10 cm
20 cm
0 cm #0 cm
Answer: Option C
2. If : is the vertical angle of an inclined sight, ; is the angle of tilt of the staff, the error A .
B . C . D .
none of these.
Answer: Option A
2#. One of the tacheometric constants is additive, the other constant, constant, is A . B . C . D .
subtractive constant multiplying constant
dividing constant
indicative constant.
Answer: Option B
2'. The limiting length of an offset does not depend upon A . B . C . D .
accuracy of the wor% method of setting out perpendiculars scale of plotting
indefinite features to be surveyed.
Answer: Option D
2). In uadrantal bearing system, bac% bearing of a line may be obtained from its forward bearing, by
A . B . C . D .
adding 1/0
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