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free survey mcqs

Surveying | MCQ – 05 | 20 MCQs

Posted on October 8, 2021March 17, 2023 By Civil Vedant

Q.1) Which of the following instruments is generally used for baseline measurements?

A) Chain

B) Metallic tape

C) Steel tape

D) Invar tape

Answer

Option (D)

Q.2) The position of a point can be fixed more accurately by –

A) Cross staff

B) Optical square

C) Oblique offsets

D) Perpendicular offsets

Answer

Option (D)

Q.3) In the prismatic compass –

A) The magnetic needle moves with the box

B) The line of the sight does not move with the box

C) The magnetic needle and graduated circle do not move with the box

D) The graduated circle is fixed to the box and the magnetic needle always remains in the N-S direction.

Answer

Option (C)

Q.4) The horizontal angle between the true meridian and magnetic meridian at a place is called –

A) Azimuth

B) Declination

C) Local attraction

D) Magnetic bearing

Answer

Option (B)

Q.5) Size of theodolite is specified by –

A) The length of telescope

B) The diameter of vertical circle

C) The diameter of lower plate

D) The diameter of upper plate

Answer

Option (C)

Q.6) Height of instrument method of levelling is –

A) More accurate than rise and fall

B) Less accurate than rise and fall

C) Quicker and less tedious for large number of intermediate sights

D) None of the above

Answer

Option (C)

Q.7) Sensitiveness of a level tube is designated by –

A) Radius of level tube

B) Length of level tube

C) Length of bubble of level tube

D) None of the above

Answer

Option (A)

Q.8) In direct method of contouring, the process of locating or identifying points lying on a contour is called –

A) Ranging

B) Centering

C) Horizontal control

D) Vertical control

Answer

Option (D)

Q.9) The instrument used for accurate centering in plane table survey is –

A) Spirit level

B) Alidade

C) Plumbing fork

D) Trough compass

Answer

Option (C)

Q.10) Overturning of vehicles on a curve can be avoided by using –

A) Compound curve

B) Vertical curve

C) Reverse curve

D) Transition curve

Answer

Option (D)

Q.11) Agonic line is the line joining points having –

A) Zero declination

B) Minimum declination

C) Maximum declination

D) Same declination

Answer

Option (A)

Q.12) The tilt displacement in an aerial photography is radial from –

A) Plumb point

B) Isocentre point

C) Principal point

D) Nadir point

Answer

Option (B)

Q.13) Which one of the following methods estimates best the area of an irregular and curved boundary?

A) Trapezoidal method

B) Simpson’s method

C) Average ordinate method

D) Mid-ordinate method

Answer

Option (B)

Q.14) To determine the length of a bridge proposed to be built across a wide river, the surveying method of choice would be :

A) Tacheometry

B) Chain surveying

C) Hydrographic surveying

D) Triangulation

Answer

Option (D)

Q.15) The number of independent conditions required to be satisfied for the adjustment of a braced quadrilateral in triangulation survey is :

A) 2

B) 4

C) 6

D) 8

Answer

Option (C)

Q.16) Which one of the following instruments is used in Plane Table surveying for the measurement of horizontal and vertical distances directly?

A) Plain Alidade

B) Telescopic Alidade

C) Tacheometer

D) Clinometer

Answer

Option (A)

Q.17) Mean Sea Level at any place is the average datum of hourly tide heights observed over a period of nearly :

A) 5 years

B) 10 years

C) 20 years

D) 50 years

Answer

Option (C)

Q.18) Detailed plotting is generally done by :

A) Radiation

B) Traversing

C) Resection

D) All of the above

Answer

Option (A)

Q.19) Horizontal distances obtained by tacheometric observations –

A) Require slope correction

B) Require tension correction

C) Require slope and tension corrections

D) Do not require slope and tension corrections

Answer

Option (D)

Q.20) Benchmark is established by :

A) Hypsometry

B) Barometric levelling

C) Spirit levelling

D) Trigonometrical levelling

Answer

Option (C)

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