Surveying MCQs Set-2

Page 1 of 4

1.

___________________line is the line drawn through points of the same declination.

Syngonic

Isogonic

Polygonic

Agonic

2.

Which of the below is used to make a line of sight horizontally in a level?

Tangent screws

Levelling Head

Telescope

Foot screws

3.

Plane table surveying uses the methodology of

Triangulation

Traversing

Contouring

Ranging

4.

The line joining the intersection of the cross hairs to the optical centre of the object glass and its continuation is called as

Telescopic axis

Horizontal axis

Line of collimation

Vertical axis

5.

A plumbing fork is used to______________the plane table.

Focus

Centre

Level

Orient

6.

How many meridians are used in surveying?

5

3

8

6

7.

The plan of a survey plotted to a scale of 10m to 1cm is reduced in such a way that a line originally 10cm long now measures 9cm. The area of the reduced plan is measured as 81 cm^2. The actual area (m^2) of the survey is

656

10000

6561

1000

8.

Which one of the following methods of levelling eliminates the error due to curvature and refraction?

Levelling by equalizing the distances of back sight and fore sight

Precise levelling

Check levelling

Fly levelling

9.

________________instrument is used to sight to an object.

Alidade

Compass

U-frame

Plumbing fork

10.

Which of the below is not common in all levelling equipment?

Level vials

Level rods

Telescope

Tilting screws

Page 2 of 4

11.

How many methods of plane table surveying are there?

3

1

2

4

12.

Which of the following instruments is used for measurement of angles?

Sextant

Geodimeter

Tellurometer

Telescope

13.

A digital level reads a

Telescopic staff

Barcoded staff

Target staff

Digital staff

14.

Which of the below is not a temporary adjustment of the prismatic compass?

Centring

Levelling

Focussing prism

Adjusting sight vane

15.

Which of the below cannot be used to measure vertical heights?

self level

aneroid barometer

transit

hypsometer

16.

How many ways are there to orient a plane table?

4

3

2

1

17.

A circle of radius 7m has a standard error of 0.02m on the radius. The standard error of its area is

0.28 m²

0.14 m

0.04 m

0.88 m²

18.

The point at which both foresight and back sight are taken during the course of levelling is called as

change point

benchmark

intermediate sight

station

19.

Which of the below is not a method of doing resection?

Solving two-point problem

Solving four-point problem

Solving three-point problem

Back sighting

20.

Plane table surveying is a ___________method.

Angular

Graphical

Linear

Circular

Page 3 of 4

21.

__________is a term used that prevents the needle from pointing to the magnetic North in a given locality.

Local attraction

Local distraction

Deviation

Declination

22.

Level vials can be of __________________types.

5

2

4

3

23.

In a reduced bearing system, bearing is measured from

West

North

Nearest one (north or south)

South

24.

What is the angle between two plane mirrors of an optical square?

30°

60°

45°

90°

25.

A levelling staff is used to establish

Vertical line of sight

Distance of points

Location of Points

Horizontal line of sight

26.

How many categories of levelling staff are there?

5

2

4

3

27.

Which of the below is used for levelling a plane table?

U-frame

Compass

Plumb bob

Spirit level

28.

The whole circle bearings of lines OP and OQ are 18°15' and 335°45' respectively. What is the value of the included angle QOP?

307°

177°

354°

42°30'

29.

Which of the below is not an advantage of Plane table survey?

Field book is not required

Less costly

Rapid method

Used for accurate works

30.

How many types of variations in declination are there?

5

3

4

2

Page 4 of 4

31.

Dumpy level was originally designed by

Fennel

Stanley

Heerbrugg

Gravatt

32.

Which of the following errors can be eliminated by reciprocal measurements in differential levelling?

I. Error due to earth curvature

II. Error due to atmospheric correction

Both I and II

Only I

Only II

Neither I nor II

33.

How many chief types of levels are used in levelling?

6

4

3

2

34.

Plane table is made of

Rubber

Plastic

Wood

Metal

35.

How many types of self reading staff are available?

5

2

4

3

36.

___________________bearing is measured in the direction of survey.

First

Front

Fore

Primary

37.

Curvature correction to a staff reading in a differential levelling survey is

always zero

dependent on latitude

always additive

always subtractive

38.

For accurate levelling ___________________ is attached inside telescope in an automatic level.

Alinometer

Cross hairs

Compensator

Double lens

39.

Which of the following instruments can be used for the direct measurement of directions?

Either a) or b)

a) Surveyor's compass

None of these

b) Prismatic compass

40.

Which one of the following errors is more severe in plane-table surveying?

movement of board between sights

Defective orientation

Defective sighting

non-horizontality board when points sighted are at large differences of their elevation

Surveying MCQs Set-2

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