RGPV Intro to Surveying Objectives | RGPV CE112 Objectives | Practical Introduction To Surveying MCQ
Hydrographic surveys deal with the mapping
of
Alarge
water bodies
heavenly
bodies
mountaineous
region
canal
system
Ans:- Alarge water bodies
An ideal vertical curve to join two
gradients, is
circular
parabolic
elliptical
hyperbolic
Ans:- parabolic
Pick up the correct statement from the
following :
the
eyepiece plays no part in defining the line of sight
the
diaphragm plays no part in defining the line of sight
the
optical centre of the objective plays no part in defining the line of sight
Ans:- none of these.
the eyepiece plays no part in defining the
line of sight
An ideal transition curve is
cubic
parabola
cubic
spiral
clothoid
spiral
true
spiral.
Ans:- clothoid spiral
If the angular measurements of a traverse
are more precise than its linear measurements, balancing of the traverse, is
done by
Bowditch's
rule
Transit
rule
Empirical
rule
all
of the above.
Ans:- Transit rule
The
branch of surveying in which both horizontal and vertical positions of a point,
are determined by making instrumental
observations, is known
tacheometry
tachemetry
telemetry
all
the above.
Ans:- all the above.
In levelling operation
when
the instrument is being shifted, the staff must not be moved
when
the staff is being carried forward, the instrument must remain stationary
both
(a) and (b)
neither
(a) nor (b).
Ans:- both (a) and (b)
The curve composed of two arcs of different
radii having their centres on the opposite side of the curve, is known
a
simple curve
a
compound curve
a
reverse curve
a
vertical curve.
Ans:- a reverse curve
The bubble tube is nearly filled with
alcohol
or chloroform
a
liquid which is very mobile
a
liquid having low freezing point
all
the above.
Ans:- all the above.
In a constant level tube, size of the
bubble remains constant because upper wall is
of
relatively larger radius
of
relatively smaller radius
flat
convex
downwards.
Ans:- of relatively larger radius
Which of the following introduces an error
of about 1 in 1000 if 20 m chain is used
length
of chain 20 mm wrong
one
end of the chain 0.9 m off the line
one
end of chain 0.9 m higher than the other
all
the above.
Ans:- all the above.
The first reading from a level station is
foresight
intermediate
sight
back-sight
any
sight.
Ans:- back-sight
The length of a traverse leg may be obtained
by multiplying the latitude and
secant
of its reduced bearing
sine
of its reduced bearing
cosine
of its reduced bearing
tangent
of its reduced bearing.
Ans:- secant of its reduced bearing
Tilt of the staff in stadia tacheometry
increases the intercept if it is
away
from the telescope pointing down hill
towards
the telescope pointing up-hill
away
from the telescope pointing up-hill
none
of these.
Ans:- away from the telescope pointing up-hill
Number of links per metre length of a chain
are
2
5
8
10
Ans:- 5
In geodetic surveys higher accuracy is
achieved, if
curvature
of the earth surface is ignored
curvature
of the earth surface is taken into account
angles
between the curved lines are treated as plane angles
none
of these
Ans:- curvature of the earth surface is taken into account
Contours of different elevations may cross
each other only in the case of
an
over hanging cliff
a
vertical cliff
a
saddle
an
inclined plane.
Ans:- an over hanging cliff
Permanent adjustments of a level are
2 in
number
3 in
number
4 in
number
6 in
number
Ans:- 2 in number
During levelling if back sight is more than
foresight
The
forward staff is at lower point
The
back staff is at lower point
The
difference in level, cannot be ascertained.
none
of these.
Ans:- The back staff is at lower point
Two contour lines, having the same
elevation
cannot
cross each other
can
cross each other
cannot
unite together
can
unite together.
Ans:- can unite together.
While working on a plane table, the correct
rule is :
Draw
continuous lines from all instrument stations
Draw
short rays sufficient to contain the points sought
Intersection
should be obtained by actually
drawing
second rays
Take
maximum number of sights as possible from each station to distant objects.
Ans:- Draw short rays sufficient to contain the points sought
In case of a double line river, contours
are
stopped
at the banks of the river
stopped
at the edge of the river
drawn
across the water drawn by parabolic
curves
having their vertex at the centre of the water.
Ans:- stopped at the edge of the river
In chain surveying field work is limited to
linear
measurements only
angular
measurements only
both
linear and angular measurements
all
the above.
Ans:- linear measurements only
A bearing of a line is also known as
magnetic
bearing
true
bearing
azimuth
reduced
bearing
Ans:- true bearing
The main principle of surveying is to work
from
part to the whole
from
whole to the part
from
higher level to the lower level
from
lower level to higher level.
Ans:- from whole to the part
For the construction of highway (or
railway)
longitudinal
sections are required
cross
sections are required
both
longitudinal and cross
sections
are required
none
of these.
Ans:- both longitudinal and cross sections are required
The sensitiveness of a level tube decreases
if
radius
of curvature of its inner surface is increased
diameter
of the tube is increased
length
of the vapour bubble is increased
both
viscosity and surface tension are increased.
Ans:- both viscosity and surface tension are increased.
Pantagraph is used for
measuring
distances
measuring
areas
enlarging
or reducing plans
setting
out right angles
Ans:- enlarging or reducing plans
The angle between two plane mirrors of
optical square, is
20°
30°
45°
60°
Ans:- 45°
True meridian of different places
converge
from the south pole to the north pole
converge
from the north pole to the south pole
converge
from the equator to the poles
run
parallel to each other.
Ans:- converge from the equator to the poles
The diaphragm of a stadia theodolite is
fitted with two additional
horizontal hairs
vertical
hairs
horizontal
and two vertical hairs
none
of these.
Ans:- horizontal hairs
A back sight is always taken on a point of known elevation or can be computed
is
added to the known level to
obtain
the instrument height
taken
on an inverted staff is treated as negative
all
the above.
Ans:- all the above.
The best method of interpolation of
contours, is by
estimation
graphical
means computation
All
of these.
Ans:- computation
Setting out a curve by two the odolite
method, involves
linear
measurements only
angular
measurements only
both
linear and angular measurements
none
of these.
Ans:- angular measurements only
When the bubble of the level tube of a
level, remains central
line
of sight is horizontal
axis
of the telescope is horizontal
line
of collimation is horizontal
Axis
in side
Ans:- line of sight is horizontal
A relatively fixed point of known elevation
above datum, is called
bench mark
datum
point
reduced
level
reference
point.
Ans:- bench mark
Cross hairs in surveying telescopes, are
fitted
in
the objective glass
at
the centre of the telescope
at
the optical centre of the eye piece
in
front of the eye piece.
Ans:- in front of the eye piece.
On a diagonal scale, it is possible to read
up to
two
dimensions
three
dimensions
four
dimensions.
one
dimensions
Ans:- four dimensions.
Plotting of inaccessible points on a plane
table, is done by
traversing
radiation
none
of these.
theodolite
Ans:- traversing
The direction of steepest slope on a
contour, is
the
focusing is done by the sliding of a divergent lens.
the
focusing divergent lens is situated at about the middle of the tube
all
the above.
the
focusing is done by the centre of the tube
Ans:- all the above.
In an internal focusing telescop
the
focusing is done by the sliding of a divergent lens.
the focusing divergent lens is situated at
about the middle of the tube
the
focusing divergent lens is situated at about the middle of the tube
all
the above.
Ans:- all the above.
Plotting of inaccessible points on a plane
table, is done by
intersection
traversing
radiation
none
of these.
Ans:- intersection
The longitudinal section of the surface of
bubble tube is
circular
elliptic
parabolic
straight
Ans:- circular
Profile levelling is usually done for
determini
contours
of an area
capacity
of a reservoir
elevations
along a straight line
boundaries
of property
Ans:- elevations along a straight line
On a diagonal scale, it is possible to read
up to
two
dimensions
one
dimension
three
dimensions
four
dimensions.
Ans:- three dimensions
To orient a plane table at a point with two
inaccessible points, the method generally adopted, is
intersection
resection
radiation
two
point problem.
Ans:- two point problem.
The boundary of water of a still lake,
represents
level
surface
horizontal
surface
contour
line
a
concave surface.
Ans:- contour line
The area of any irregular figure of the
plotted map is measured with
A.
sextant
clinometer
planimeter
optical
square
Ans:- optical square
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