R4RIN
MCQS
Engineering MCQ Quiz Hub
Civil Engineering MCQS-Surveying Section 2
Choose a topic to test your knowledge and improve your Engineering skills
1. An ideal transition curve is
cubic parabola
cubic spiral
clothoid spiral
true spiral.
2. Pantagraph is used for
measuring distances
measuring areas
enlarging or reducing plans
setting out right angles
3. 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.
4. 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 of the above.
5. 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).
6. If the rate of gain of radial acceleration is 0.3 m per sec3 and full centrifugal ratio is developed. On the curve the ratio of the length of the transition curve of same radius on road and railway; is
2.828
3.828
1.828
0.828.
7. The angle between two plane mirrors of optical square; is
20°
30°
45°
45°
8. The latitude of a traverse leg is obtained by multiplying its length by
tangent of its reduced bearing
sign of its reduced bearing
cosine of its reduced bearing
cosecant of its reduced bearing
9. For a curve of radius 100 m and normal chord 10 m; the Rankine's deflection angle; is
0°25'.95
0°35'.95
1°25'.53
2°51'.53.
10. A uniform slope was measured by the method of stepping. If the difference in level between two points is 1.8 m and the slope distance between them is 15 m; the error is approximately equal to
cumulative; + 0.11 m
compensating; ± 0.11 m
cumulative; - 0.11 m
none of these
11. In optical reading instruments
the vertical circle is usually continuous from 0° to 359°
the readings increase when the telescope is elevated in the face left position
the readings decrease when the telescope is elevated in the face right position
all the above.
12. For setting out a simple curve; using two theodolites.
offsets from tangents are required
offsets from chord produced are required
offsets from long chord are required
none of these.
13. Geodetic surveying is undertaken
for production of accurate maps of wide areas
for developing the science of geodesy
making use of most accurate instruments and methods of observation
all the above.
14. The desired sensitivity of a bubble tube with 2 mm divisions is 30". The radius of the bubble tube should be
13.75 m
3.44 m
1375 m
none of these.
15. A dumpy level was set up at the midpoint between two pegs A and B; 50 m apart and the staff readings at A and B were 1.22 and 1.06. With the level set up a A; the readings at A and B were 1.55 and 1.37. The collimation error per 100 m length of sight is
0.02 m inclined upwards
0.04 m inclined downwards
0.04 m inclined upward
none of these.
16. Keeping the instrument height as 1 m; length of staff 4 m; the up gradient of the ground 1 in 10; the sight on the up slope must be less than
25 cm
20 m
45 m
10 m
17. 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.
18. Pick up the correct statement from the following :
the length of the brass handle is included in the length of chain
the handles are on swivel joints to prevent twisting of the chain
the fifth tag from either end of the chain is numbered 5
all the above.
19. Two hill tops A and B 20 km apart are intervened by a third top C. If the top most contour of the three hill tops are of the same value; state whether the line of sight AB
passes clear of hill top C
passes below the hill top C
grazes the hill top C
none of these.
20. The diaphragm of a stadia theodolite is fitted with two additional
horizontal hairs
vertical hairs
horizontal and two vertical hairs
none of these.
21. Centering error of a theodolite produces an error
in all angles equally
which does not vary with the direction or pointing
which varies with the direction of pointing and inversely with the length of sight
none of these.
22. In levelling operation
if second reading is more than first; it represents a rise
if first reading is more than second; it represents a rise
if first reading is less than second; it represents a fall
both (b) and (c).
23. Pick up the correct statement from the following :
in astronomical telescope; the rays from the object after refraction at the objective are brought to a focus before entering the eyepiece to produce a real inverted image in front of the eye piece
in Galileo's telescope; the rays from the object get refracted at the objective and are intercepted by the eyepiece before a real image is formed
a line passing through the optical centre of the objective traversing through the eyepiece; is called line of sight
all the above.
24. The operation of making the algebraic sum of latitudes and departures of a closed traverse; each equal to zero; is known
balancing the sights
balancing the departures
balancing the latitudes
balancing the traverse.
25. Orientation of a plane table by solving two point problem is only adopted when
saving of time is a main factor
better accuracy is a main factor
given points are inaccessible
none of these.
26. 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.
27. The sum of the interior angles of a geometrical figure laid on the surface of the earth differs from that of the corresponding plane figure only to the extent of one second for every
100 sq. km of area
150 sq. km of area
200 sq. km of area
none of these.
28. The systematic errors which persist and have regular effects in the performance of a survey operation; are due to
carelessness
faulty instrument
inattention
none of these.
29. The best method of interpolation of contours; is by
estimation
graphical means
computation
all of these.
30. Pick up the correct specification of Ramsden eyepiece from the following :
it consists of two equal piano convex lenses
the curved surfaces of plano-convex lenses face each other
the two lenses are separated by a distance equal to 2/3 of the focal length of either lens.
all the above.
31. Deviation of the actual road gradient from the proposed contou'r gradient up hill side; involves
embankment on the centre line
excavation on the centre line
earth work on the centre line
none of these.
32. Measuring with a 30 m chain; 0.01 m too short; introduces
positive compensating error
negative compensating error
positive cumulative error
negative cumulative error.
33. Setting out a curve by two theodolite method; involves
linear measurements only
angular measurements only
both linear and angular measurements
none of these.
34. 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
geometrical axis of the telescope is horizontal.
35. Pick up the correct statement from the following :
the power of a lens is the reciprocal of its focal length
the unit of power of the lens is diopter
the power of two or more thin lenses in contact is the power of the combination of the lenses
all the above.
36. The vertical angle between longitudinal axis of a freely suspended magnetic needle and a horizontal line at its pivot; is known
declination
azimuth
dip
bearing.
37. A relatively fixed point of known elevation above datum; is called
bench mark
datum point
reduced level
reference point.
38. 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
39. Metric chains are generally available in
10 m and 20 m length
15 m and 20 m length
20 m and 30 m length
25 m and 100 m length
40. On a diagonal scale; it is possible to read up to
one dimension
two dimensions
three dimensions
four dimensions.
41. Plotting of inaccessible points on a plane table; is done by
intersection
traversing
radiation
none of these.
42. A dumpy level is set up with its eye-piece vertically over a peg A. The height from the top of peg A to the centre of the eye-piece is 1.540 m and the reading on peg B is 0.705 m. The level is then setup over B. The height of the eye-piece above peg B is 1.490 m and a reading on A is 2.195 m. The difference in level between A and B is
2.900 m
3.030 m
0.770 m
0.785 m
Submit