Surveying MCQs Set-2

Page 1 of 4

1.

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

Only I

Neither I nor II

Only II

Both I and II

2.

Level vials can be of __________________types.

4

5

2

3

3.

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

Tilting screws

Level rods

Telescope

Level vials

4.

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

Tellurometer

Sextant

Geodimeter

Telescope

5.

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

Polygonic

Syngonic

Agonic

Isogonic

6.

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

Rapid method

Field book is not required

Used for accurate works

Less costly

7.

How many ways are there to orient a plane table?

4

1

2

3

8.

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

Plumb bob

U-frame

Compass

Spirit level

9.

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

Deviation

Local distraction

Declination

Local attraction

10.

Plane table is made of

Wood

Plastic

Metal

Rubber

Page 2 of 4

11.

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

Solving four-point problem

Solving three-point problem

Solving two-point problem

Back sighting

12.

Plane table surveying uses the methodology of

Ranging

Triangulation

Contouring

Traversing

13.

A levelling staff is used to establish

Horizontal line of sight

Location of Points

Vertical line of sight

Distance of points

14.

Plane table surveying is a ___________method.

Linear

Angular

Circular

Graphical

15.

___________________bearing is measured in the direction of survey.

Front

Primary

First

Fore

16.

How many types of self reading staff are available?

4

3

2

5

17.

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

always zero

always additive

always subtractive

dependent on latitude

18.

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

45°

60°

30°

90°

19.

How many types of variations in declination are there?

4

3

5

2

20.

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

Focussing prism

Adjusting sight vane

Levelling

Centring

Page 3 of 4

21.

How many meridians are used in surveying?

5

3

6

8

22.

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

0.14 m

0.04 m

0.28 m²

0.88 m²

23.

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

24.

How many methods of plane table surveying are there?

2

1

3

4

25.

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

Levelling Head

Telescope

Tangent screws

Foot screws

26.

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

1000

6561

10000

656

27.

________________instrument is used to sight to an object.

Compass

Plumbing fork

U-frame

Alidade

28.

How many chief types of levels are used in levelling?

3

2

4

6

29.

A plumbing fork is used to______________the plane table.

Focus

Orient

Level

Centre

30.

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

Precise levelling

Levelling by equalizing the distances of back sight and fore sight

Fly levelling

Check levelling

Page 4 of 4

31.

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

change point

station

benchmark

intermediate sight

32.

A digital level reads a

Telescopic staff

Barcoded staff

Digital staff

Target staff

33.

How many categories of levelling staff are there?

4

2

5

3

34.

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

Vertical axis

Line of collimation

Horizontal axis

35.

Dumpy level was originally designed by

Stanley

Gravatt

Heerbrugg

Fennel

36.

In a reduced bearing system, bearing is measured from

North

South

Nearest one (north or south)

West

37.

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

self level

aneroid barometer

transit

hypsometer

38.

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

None of these

b) Prismatic compass

Either a) or b)

a) Surveyor's compass

39.

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°

354°

42°30'

177°

40.

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

Alinometer

Compensator

Cross hairs

Double lens

Surveying MCQs Set-2

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