Surveying MCQ Practice Questions (Civil Engineering) Set 13

Pick up the correct statement from the following:


Options are :

  • It is difficult to eliminate an error completely at first trial
  • Instability of the instrument makes it almost impossible to adjust it satisfactorily
  • All the above
  • Adjustment screws must be left bearing firmly but should never be forced

Answer :All the above

The length of a traverse leg may be obtained by multiplying the latitude and:


Options are :

  • Secant of its reduced bearing
  • Cosine of its reduced bearing
  • Sine of its reduced bearing
  • Tangent of its reduced bearing

Answer :Secant of its reduced bearing

Surveys which are carried out to provide a national grid of control for preparation of accurate maps of large areas, are known:


Options are :

  • Geodetic surveys
  • Geographical surveys
  • Topographical surveys
  • Plane surveys

Answer :Geodetic surveys

is the conventional sign of:


Options are :

  • Idgah
  • Fort
  • Church
  • Mosque
  • Temple

Answer :Temple

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:


Options are :

  • 5 cm
  • 1 cm
  • 100 cm
  • 10 cm

Answer :10 cm

Pick up the correct statement from the following:


Options are :

  • The first sight on each change point is a fore sight
  • A back sight is the first sight taken after setting up the instrument in any position
  • An observation or the resulting reading with the level on a levelling staff is called sight
  • All the above
  • The second sight on each change point is a back sight

Answer :All the above

Surveying MCQ Practice Questions (Civil Engineering) Set 3

In tangential tacheometry, an ordinary level staff is used:


Options are :

  • Leaning away from the instrument for inclined sights downwards
  • Vertical in all cases
  • Leaning towards the instrument for inclined sights upward
  • None of these

Answer :Vertical in all cases

Horizontal distances obtained tacheometerically are corrected for:


Options are :

  • Temperature correction
  • Slope correction
  • All the above
  • Refraction and curvature correction

Answer :Refraction and curvature correction

The bearing of C from A is N 30° E and from B, 50 metres east of A, is N 60° W. The departure of C from A is:


Options are :

  • 25 ?3 m
  • 50 m
  • 50 ?3 m
  • 25 m

Answer :25 m

Surveying MCQ Practice Questions (Civil Engineering) Set 4

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:


Options are :

  • None of these
  • Chain surveying
  • Traverse method of surveys
  • Triangulation

Answer :Chain surveying

is a conventional sign of:


Options are :

  • Mosque
  • Idgah
  • Temple
  • Church

Answer :Idgah

In a theodolite:


Options are :

  • The axis of rotation is perpendicular to transit axis
  • All the above
  • The telescope axis, the transit axis and the rotation axis pass through the centre of theodolite
  • The telescope axis is perpendicular to transit axis

Answer :All the above

Surveying MCQ Practice Questions (Civil Engineering) Set 5

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:


Options are :

  • 1°43' 18"
  • 1°43' 28"
  • 1°43' 08"
  • 1°43' 38"

Answer :1°43' 28"

If the length of a chain line along a slope of ?° is l, the required slope correction is:


Options are :

  • 2l cos^(2) ?/2
  • l cos2 ?/2
  • l tan2 ?/2
  • 2l sin^(2) ?/2

Answer :2l sin^(2) ?/2

Pick up the correct statement from the following:


Options are :

  • The traverse that starts from a point already fixed in some survey system and ends on another such point, is called a controlled traverse
  • The system of a series of lines which forms a circuit which ends at the starting point, is called a closed traverse
  • All the above
  • The traverse that is not controlled is called a fly traverse
  • The framework which consists of a series of connected lines, the lengths and directions of which are found from measurements, is called a traverse

Answer :All the above

Surveying MCQ Practice Questions (Civil Engineering) Set 6

If the long chord and tangent length of a circular curve of radius R are equal the angle of deflection, is:


Options are :

  • 120°
  • 150°
  • 30°
  • 90°
  • 60°

Answer :120°

The imaginary line passing through the intersection of cross hairs and the optical centre of the objective, is known as:


Options are :

  • Axis of the telescope
  • Line of collimation
  • None of these
  • Line of sight

Answer :Line of collimation

If ? is the angle of deflection of a simple curve of radius R, the length of the curve is:


A.


B.


C.


D.


Options are :

  • D
  • A
  • B
  • C

Answer :B

Surveying MCQ Practice Questions (Civil Engineering) Set 7

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:


Options are :

  • Staff vertical
  • Staff normal
  • Staff normal as well as vertical
  • None of these

Answer :Staff normal

The curvature of the earth's surface, is taken into account only if the extent of survey is more than:


Options are :

  • 260 sq km
  • 200 sq km
  • 160 sq km
  • 100 sq km

Answer :260 sq km

An angles of 45° with a chain line may be set out with:


Options are :

  • Fench cross staff
  • Prismatic square
  • Open cross staff
  • Optical square

Answer :Fench cross staff

Surveying MCQ Practice Questions (Civil Engineering) Set 8

The sag of 50 m tape weighing 4 kg under 5 kg tension is roughly:


Options are :

  • 0.073 m
  • 0.063 m
  • 0.053 m
  • 0.043 m
  • 0.083 m

Answer :0.083 m

Pick up the correct statement from the following:


Options are :

  • 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
  • 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

Answer :All the above

Pick up the correct statement from the following:


Options are :

  • The lens nearer the object to be viewed is convex and is called objective
  • The principal axes of both the lenses coincide the optical axis of the telescope
  • All the above
  • The lens nearer the eye is called eyepiece
  • A refracting telescope consists optically of two lenses

Answer :All the above

Surveying MCQ Practice Questions (Civil Engineering) Set 9

Diaphragm of a surveying telescope is held inside:


Options are :

  • Telescope at its end nearer the objective
  • Objective
  • Telescope at the end nearer the eye-piece
  • Telescope tube at its mid point
  • Eye-piece

Answer :Telescope at the end nearer the eye-piece

The magnetic bearing of a line is 32° and the magnetic declination is 10° 15' W. The true bearing is:


Options are :

  • 21° 45'
  • 21° 45' W
  • 42° 15' W
  • 42° 15'

Answer :21° 45'

Pick up the correct statement from the following:


Options are :

  • All the above
  • Spherical aberration may be minimised by replacing the single lens by a combination of the lenses
  • In eyepieces, two plano-convex lenses placed at a certain distance apart are used
  • In telescope objectives, a combination of convex lens and concave lens is used
  • Spherical aberration may be reduced by diminishing the aperture

Answer :All the above

In chain surveying, perpendiculars to the chain line, are set out by:


Options are :

  • An optical square
  • A theodolite
  • A level
  • A prismatic compass

Answer :An optical square

The angle of intersection of a contour and a ridge line, is:


Options are :

  • 60°
  • 30°
  • 45°
  • 90°

Answer :90°

The slope correction for a 3° slope for a length of 100 m, is:


Options are :

  • - 0.12 m
  • - 1.87 m
  • - 0.11 m
  • - 0.137 m

Answer :- 0.137 m

Surveying MCQ Practice Questions (Civil Engineering) Set 1

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:


Options are :

  • 3.70 m
  • 1.70 m
  • 0.70 m
  • 4.70 m
  • 2.70 m

Answer :2.70 m

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:


Options are :

  • 1.435
  • 1.345
  • 1.425
  • None of these

Answer :1.345

The instrument which is used in plane tabling for obtaining horizontal and vertical distances directly without resorting to chaining, is known as:


Options are :

  • Tacheometer
  • Telescopic alidade
  • Clinometer
  • Plane alidade

Answer :Telescopic alidade

Surveying MCQ Practice Questions (Civil Engineering) Set 10

The staff intercept will be:


Options are :

  • Greater farther off the staff is held
  • Smaller, farther off the staff is held
  • Same, wherever the staff is held
  • Smaller, nearer the staff is held

Answer :Smaller, farther off the staff is held

The first reading from a level station is:


Options are :

  • Foresight
  • Intermediate sight
  • Back-sight
  • Any sight

Answer :Back-sight

Probable accidental error in precise levelling as recommended by International Geodetic Association, should not exceed:

(where k is in kilometers.)


Options are :

  • ± 1 ?k mm
  • ± 5 ?k mm
  • ± 0.5 ?k mm
  • ± 2 ?k mm
  • ± 0.1 ?k mm

Answer :± 1 ?k mm

Pick up the correct statement from the following:


Options are :

  • Accidental errors occur inspite of every precaution is taken
  • Systematic errors persist and have regular effects in the survey performances
  • All the above
  • Mistakes arise from inattention, inexperience or carelessness

Answer :All the above

The boundary of water of a still lake, represents:


Options are :

  • Horizontal surface
  • Level surface
  • Contour line
  • A concave surface

Answer :Contour line

An imaginary line lying throughout on the surface of the earth and preserving a constant inclination to the horizontal, is called:


Options are :

  • Level line
  • Line of gentle scope
  • Contour line
  • Contour gradient

Answer :Contour gradient

The area of any irregular figure of the plotted map is measured with:


Options are :

  • Sextant
  • Optical square
  • Clinometer
  • Pentagraph
  • Planimeter

Answer :Planimeter

Comment / Suggestion Section
Point our Mistakes and Post Your Suggestions