Question is ⇒ Geodetic surveying is undertaken., Options are ⇒ (A) for production of accurate maps of wide areas, (B) for developing the science of geodesy, (C) making use of most accurate instruments and methods of observation, (D) all the above., (E) , Leave your comments or Download question paper.

Question is ⇒ Geodetic surveying is undertaken., Options are ⇒ (A) for production of accurate maps of wide areas, (B) for developing the science of geodesy, (C) making use of most accurate instruments and methods of observation, (D) all the above., (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	Geodetic surveying is undertaken.
A.	for production of accurate maps of wide areas [Wrong Answer]
B.	for developing the science of geodesy [Wrong Answer]
C.	making use of most accurate instruments and methods of observation [Wrong Answer]
D.	all the above. [Correct Answer]
View Answer 19 -4 Explanation:- Answer : D Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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⇒ A transit is oriented by setting its vernier A to read the back azimuth of the preceding line. A back sight on the preceding transit station taken and transit is rotated about its vertical axis. The vernier A reads.
azimuth of the forward line
bearing of the. forward line
back bearing of the forward line
equal to 360Â°-azimuth of the forward line.

⇒ If the R.L. of a B.M. is 100.00 m, the back- sight is 1.215 m and the foresight is 1.870 m, the R.L. of the forward station is
99.345 m
100.345 m
100.655m
101.870m

⇒ Which of the following could be used for fixing the arbitrary direction ?
River
Moving train
Road
Top of a chimney

⇒ The permissible limits of errors in chaining for measurement on rough or hilly ground is
1 : 2000
1 : 1000
1 : 500
1 : 250

⇒ Prolongation of chain line across an obstruction in chain surveying, is done by.
making angular measurements
drawing perpendiculars with a chain
solution of triangles
all the above.

⇒ The permissible error in chaining for measurement with chain on rough or hilly ground is
1 in 100
1 in 250
1 in 500
1 in 1000

⇒ Pick up the correct statement from the following :
in the earth's magnetic field, a magnetic needle rests in magnetic meridian
the angle between the true meridian and the magnetic meridian is called magnetic variation
one end of the magnetic needle supported at its centre of gravity tends to dip down towards the. nearer magnetic pole of the earth
all the above.

⇒ 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.

⇒ Generally while chaining the arrow which accompany with one chain must be
2 Nos
5 Nos
10 Nos
12 Nos

⇒ The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called
radiation
intersection
resection
traversing

⇒ Pick up the correct statement from the following :
to locate a gross error in bearing that may exist in controlled theodolite traverse, we may plot the traverse from each end. The traverse station having the same coordinates by each route is the one where the error lies
to locate a gross error in bearing, in a controlled traverse, we plot the traverse and the station through which perpendicular to sector of the closing line passes is the station at which the error was made
to locate a gross error due to taping in a controlled traverse, we plot the traverse to a convenient scale. The bearing of the closing error will be approximately the same as that of the leg in which the gross error consists
all the above.

⇒ The length of a chain is measured from
centre of one handle to centre of other handle
outside of one handle to outside of other handle
outside of one handle to inside of other handle
inside of one handle to inside of other handle

⇒ If whole circle bearing of a line is 120°, its reduced bearing is.
S 20Â° E
S 60Â° E
N 120Â° E
N 60Â° E.

⇒ Locating the position of a plane table station with reference to three known points, is known as.
intersection method
radiation method
resection method
three point problem.

⇒ The direction of a line relative to a given median is called
Angular direction
Bearing
Deviation
Inclination

⇒ In a telescope the object glass of focal length 14 cm, is located at 20 cm from the diaphragm. The focussing lens is midway between them when a staff 16.50 m away is focussed. The focal length of the focussing lens, is.
5.24 cm
6.24 cm
7.24 cm
8.24 cm

⇒ The distance between terminal points computed from a subsidiary traverse run between them, is generally known, as.
traverse leg
a base
traverse base
all the above.

⇒ The back staff reading on a B.M. of R.L. 500.000 m is 2.685 m. If foresight reading on a point is 1.345 m, the reduced level of the point, is.
502.685 m
501.345 m
501.340 m
504.030 m

⇒ A theodolite is said to be in perfect adjustment if.
rotation axis is vertical to the transit axis
transit axis is perpendicular to line of collimation
line of collimation sweeps out a vertical plane while the telescope is elevated or depressed
all the above.

⇒ A staff reading taken on a bench mark or change point is known as
Back siLT,ht
Fore sight
Intermediate sight
None of the above

⇒ The angle of intersection of the two plane mirrors of an optical square is
30°
45°
60°
90°

⇒ The Random errors tend to accumulate proportionally to.
numbers of operations involved
reciprocal of operations involved
square root of the number of operation involved
cube root of the number of operation involved.

⇒ The error due to eccentricity of inner and outer axes can be eliminated by
reading both verniers and taking the mean of the two
taking both face observations and taking the mean of the two
double sighting
taking mean of several readings distributed over different portions of the graduated circle

⇒ The least count of prismatic compass is
1°
30'
15'
20"

⇒ 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.

⇒ The correction for sag is
always additive
always subtractive
always zero
sometimes additive and sometimes subtractive

⇒ 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.

⇒ If the length of a chain is found to be short on testing, it can be adjusted by
straightening the links
removing one or more small circular rings
closing the joints of the rings if opened out
all of the above

⇒ Which of the following errors can be neutralised by setting the level midway between the two stations ?
error due to curvature only
error due to refraction only
error due to both curvature and re-fraction
none of the above

⇒ 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.