Engineering MCQ Quiz Hub

1. The first reading from a level station is
foresight
intermediate sight
back-sight
any sight.

2. If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum deflection angle to locate its junction point, is
1°43' 08"
1°43' 18"
1°43' 28"
1°43' 38"

3. 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.

4. Pick up the correct statement from the following :
a refracting telescope consists optically of two lenses
the principal axes of both the lenses coincide the optical axis of the telescope
the lens nearer the object to be viewed is convex and is called objective
all the above.

5. An internal focussing type surveying telescope, may be focussed by the movement of
objective glass of the telescope
convex-lens in the telescope
concave lens in the telescope
plano-convex lens in the telescope.

6. In chain surveying, perpendiculars to the chain line, are set out by
a theodolite
a prismatic compass
a level
an optical square

7. The difference in the lengths of an arc and its subtended chord on the earth surface for a distance of 18.2 km, is only
1 cm
5 cm
10 cm
100 cm

8. The boundary of water of a still lake, represents
level surface
horizontal surface
contour line
a concave surface.

9. Diaphragm of a surveying telescope is held inside
eye-piece
objective
telescope tube at its mid point
telescope at its end nearer the objective.

10. While surveying a plot of land by plane tabling, the field observations
and plotting proceed simultaneously
and plotting do not proceed simultaneously
and recorded in field books to be plotted later
all the above.

11. If vertical angles of inclined sights do not exceed 10° and non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on
staff normal
staff vertical
staff normal as well as vertical
none of these.

12. The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly
0.043 m
0.053 m
0.063 m
0.083 m

13. The angle of intersection of a contour and a ridge line, is
30°
45°
60°
90°.

14. The area of any irregular figure of the plotted map is measured with
pentagraph
sextant
clinometer
planimeter

15. The curvature of the earth's surface, is taken into account only if the extent of survey is more than
100 sq km
160 sq km
200 sq km
260 sq km.

16. The slope correction for a 3° slope for a length of 100 m, is
-0.11 m
-0.12 m
-1.87 m
. -0.137 m

17. In horizontal angles, the error due to imperfect levelling of the plate bubble is
large when sights are nearly level
large for long sights
less for steeply inclined sights
large for steeply inclined sights.

18. 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 wa
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
all the above.

19. Pick up the correct statement from the following :
The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass
the imaginary lines which pass through points at which the magnetic declinations are equal at a given time are called isogonic lines
the isogonic lines through places at which the declination is zero are termed agonic lines
all the above.

20. The distances AC and BC are measured from two fixed points A and B whose distance AB is known. The point C is plotted by intersection. This method is generally adopted in
chain surveying
traverse method of surveys
triangulation
none of these.

21. In a precision traverse, included angles are measured by setting the vernier
to read zero exactly on back station
to read 5° exactly on back station
some where near zero and reading both verniers on back station
all the above.

22. If the length of a transition curve to be introduced between a straight and a circular curve of radius 500 m is 90 m, the maximum perpendicular offset for the transition curve, is
0.70 m
1.70 m
2.70 m
3.70 m

23. The magnetic bearing of a line is 32° and the magnetic declination is 10° 15' W. The true bearing is
21° 45'
42° 15'
42° 15' W
21° 45' W

24. An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is called
contour line
contour gradient
level line
line of gentle scope.

25. An angles of 45° with a chain line may be set out with
optical square
open cross staff
Fench cross staff
prismatic square.

26. Pick up the correct statement from the following :
spherical aberration may be reduced by diminishing the aperture
spherical aberration may be minimised by replacing the single lens by a combination of the lenses.
in telescope objectives, a combination of convex lens and concave lens is used.
all the above.

27. The imaginary line passing through the intersection of cross hairs and the optical centre of the objective, is known as
line of sight
line of collimation
axis of the telescope
none of these.

28. A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A and B were 1.11 and 1.39. The correct staff reading from this set up at S should be
1.435
1.345
1.425
none of these.

29. Pick up the correct statement from the following :
it is difficult to eliminate an error completely at first trial
instability of the instrument makes it almost impossible to adjust it satisfactorily
adjustment screws must be left bearing firmly but should never be forced
all the above.

30. The rise and fall method of reduction of levels, provides a check on
back sights
fore sights
intermediate sights
all of these.

31. In tangential tacheometry, an ordinary level staff is used
leaning towards the instrument for inclined sights upward
leaning away from the instrument for inclined sights downwards
vertical in all cases
none of these.

32. The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known as
Plane alidade
telescopic alidade
clinometer
tacheometer.

33. The staff intercept will be
greater farther off the staff is held
smaller, farther off the staff is held
smaller, nearer the staff is held
same, wherever the staff is held.

34. Horizontal distances obtained tacheometerically are corrected for
slope correction
temperature correction
refraction and curvature correction
all the above.

35. If the long chord and tangent length of a circular curve of radius R are equal the angle of deflection, is
30°
60°
90°
120°

36. Pick up the correct statement from the following :
an observation or the resulting reading with the level on a levelling staff is called sight
a back sight is the first sight taken after setting up the instrument in any position
the first sight on each change point is a fore sight
all the above.

37. In setting up a plane table at any station
levelling is done first
centering is done first
both levelling and centering are done simultaneously
orientation is done first.

38. Ranging is an operation of
reconnaissance
judging the distance
determination of slope
establishing intermediate points between terminals.

39. Pick up the correct statement from the following :
mistakes arise from inattention, inexperience or carelessness
systematic errors persist and have regular effects in the survey performances
accidental errors occur inspite of every precaution is taken
all the above

40. Surveys which are carried out to provide a national grid of control for preparation of accurate maps of large areas, are known
plane surveys
geodetic surveys
geographical surveys
topographical surveys.

41. In a theodolite
the telescope axis is perpendicular to transit axis
the axis of rotation is perpendicular to transit axis
the telescope axis, the transit axis and the rotation axis pass through the centre of theodolite
all the above.

42. Whole circle bearing of a line is preferred to a quadrantal bearing merely because
bearing is not completely specified by an angle
bearing is completely specified by an angle
Sign of the correction of magnetic declination is different in different quadrants
its trigonometrical values may be extracted from ordinary tables easily.