Surveying MCQ Practice Questions (Civil Engineering) Set 11

ABCD is a regular parallelogram plot of land whose angle BAD is 60. If the bearing of the line AB is 30, the bearing of CD, is:


Options are :

  • 90
  • 270
  • 120
  • 210

Answer :210

Diopter is the power of a lens having a focal length of:


Options are :

  • 50 cm
  • 25 cm
  • 100 cm
  • 125 cm
  • 75 cm

Answer :100 cm

Surveying MCQ Practice Questions (Civil Engineering) Set 13

One of the tacheometric constants is additive, the other constant, is:


Options are :

  • Subtractive constant
  • Indicative constant
  • Multiplying constant
  • Dividing constant

Answer :Multiplying constant

Hydrographic surveys deal with the mapping of:


Options are :

  • Movement of clouds
  • Canal system
  • Heavenly bodies
  • Large water bodies
  • Mountaineous region

Answer :Large water bodies

A back sight:


Options are :

  • Taken on an inverted staff is treated as negative
  • Is always taken on a point of known elevation or can be computed
  • Is added to the known level to obtain the instrument height
  • All the above

Answer :All the above

Surveying MCQ Practice Questions (Civil Engineering) Set 3

On a diagonal scale, it is possible to read up to:


Options are :

  • Two dimensions
  • Three dimensions
  • One dimension
  • Four dimensions

Answer :Three dimensions

Let angular value of one graduation of a tube of length x be ? seconds and R be the radius of its internal curved surface, then:


A.


B.


C.


D.


Options are :

  • C
  • A
  • D
  • B

Answer :A

One of the Lehmann's rules of plane tabling, is:


Options are :

  • None of these
  • When the instrument station is outside the circumscribing circle its location is always on the opposite side of the ray to the most distant point as the inter-section of the other two rays
  • When looking in the direction of each of the given points, the instrument station will be on the right side of one and left side of the other ray
  • Location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances

Answer :Location of the instrument station is always distant from each of the three rays from the known points in proportion to their distances

Surveying MCQ Practice Questions (Civil Engineering) Set 4

The most reliable method of plotting a theodolite traverse, is:


Options are :

  • By plotting included angles and scaling off each traverse leg
  • By consecutive co-ordinates of each station
  • By the tangent method of plotting
  • By independent co-ordinates of each station

Answer :By independent co-ordinates of each station

If L is the perimeter of a closed traverse, ?D is the closing error in departure, the correction for the departure of a traverse side of length l, according to Bowditch rule, is:


A.


B.


C.


D.


Options are :

  • D
  • A
  • B
  • C

Answer :D

Plotting of inaccessible points on a plane table, is done by:


Options are :

  • Radiation
  • Traversing
  • Intersection
  • None of these

Answer :Intersection

Surveying MCQ Practice Questions (Civil Engineering) Set 5

If the radius of a simple curve is R, the length of the chord for calculating offsets by the method of chords produced, should not exceed:


Options are :

  • R/15
  • R/25
  • R/20
  • R/10

Answer :R/20

In optical reading instruments:


Options are :

  • 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

Answer :All the above

For true difference in elevations between two points A and B, the level must be set up:


Options are :

  • at any point between A and B
  • near the point A
  • near the point B
  • at the exact mid point of A and B

Answer :at the exact mid point of A and B

Surveying MCQ Practice Questions (Civil Engineering) Set 6

The latitude of a traverse leg is obtained by multiplying its length by:


Options are :

  • Cosine of its reduced bearing
  • Cosecant of its reduced bearing
  • Tangent of its reduced bearing
  • Sign of its reduced bearing

Answer :Cosine of its reduced bearing

The real image of an object formed by the objective, must lie:


Options are :

  • in the plane of cross hairs
  • at the optical centre of the eye-piece
  • at the centre of the telescope
  • anywhere inside the telescope

Answer :in the plane of cross hairs

When the bubble of the level tube of a level, remains central:


Options are :

  • Axis of the telescope is horizontal
  • Geometrical axis of the telescope is horizontal
  • Line of sight is horizontal
  • Line of collimation is horizontal

Answer :Line of sight is horizontal

Surveying MCQ Practice Questions (Civil Engineering) Set 7

The angle between two plane mirrors of optical square, is:


Options are :

  • 20
  • 30
  • 60
  • 45
  • 90

Answer :45

Accuracy of 'fix' by two point problem, is:


Options are :

  • Not reliable
  • Good
  • Bad
  • Unique

Answer :Not reliable

Metric chains are generally available in:


Options are :

  • 15 m and 20 m length
  • 20 m and 30 m length
  • 25 m and 100 m length
  • 10 m and 20 m length

Answer :20 m and 30 m length

Surveying MCQ Practice Questions (Civil Engineering) Set 8

Whole circle bearing of a line is preferred to a quadrantal bearing merely because:


Options are :

  • Its trigonometrical values may be extracted from ordinary tables easily
  • Bearing is completely specified by an angle
  • Sign of the correction of magnetic declination is different in different quadrants
  • Bearing is not completely specified by an angle

Answer :Bearing is completely specified by an angle

Surveying MCQ Practice Questions (Civil Engineering) Set 9

Pick up the correct statement from the following:


Options are :

  • The imaginary lines which pass through points at which the magnetic declinations are equal at a given time are called isogonic lines
  • The horizontal angle between magnetic meridian and true meridian at a place is called magnetic declination or variance of the compass
  • The isogonic lines through places at which the declination is zero are termed agonic lines
  • All the above

Answer :All the above

In a precision traverse, included angles are measured by setting the vernier:


Options are :

  • All the above
  • Some where near zero and reading both verniers on back station
  • To read zero exactly on back station
  • To read 5 exactly on back station

Answer :Some where near zero and reading both verniers on back station

While surveying a plot of land by plane tabling, the field observations:


Options are :

  • And recorded in field books to be plotted later
  • All the above
  • And plotting do not proceed simultaneously
  • And plotting proceed simultaneously

Answer :And plotting proceed simultaneously

Ranging is an operation of:


Options are :

  • Reconnaissance
  • Establishing intermediate points between terminals
  • Determination of slope
  • Judging the distance

Answer :Establishing intermediate points between terminals

An internal focussing type surveying telescope, may be focussed by the movement of:


Options are :

  • Convex-lens in the telescope
  • Concave lens in the telescope
  • Plano-convex lens in the telescope
  • Objective glass of the telescope

Answer :Concave lens in the telescope

The rise and fall method of reduction of levels, provides a check on:


Options are :

  • Back sights
  • All of these
  • Fore sights
  • Intermediate sights

Answer :All of these

Surveying MCQ Practice Questions (Civil Engineering) Set 1

In horizontal angles, the error due to imperfect levelling of the plate bubble is:


Options are :

  • Large for long sights
  • Less for steeply inclined sights
  • Large when sights are nearly level
  • Large for steeply inclined sights

Answer :Large for steeply inclined sights

If ? and ? be the elevations of two objects A and B respectively, ? be the angle observed by a sextant. The correct horizontal angle is:


A.


B.


C.


D.

None of these


Options are :

  • A
  • B
  • D
  • C

Answer :A

In setting up a plane table at any station:


Options are :

  • Orientation is done first
  • Levelling is done first
  • Centering is done first
  • Both levelling and centering are done simultaneously

Answer :Both levelling and centering are done simultaneously

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