Surveying MCQs Set-2

Page 1 of 4

1.

A levelling staff is used to establish

Location of Points

Horizontal line of sight

Vertical line of sight

Distance of points

2.

How many types of self reading staff are available?

3

5

4

2

3.

How many ways are there to orient a plane table?

2

1

3

4

4.

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

self level

hypsometer

aneroid barometer

transit

5.

Dumpy level was originally designed by

Stanley

Gravatt

Heerbrugg

Fennel

6.

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

Both I and II

Only II

Neither I nor II

7.

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

Local distraction

Deviation

Declination

Local attraction

8.

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

Compass

Spirit level

U-frame

Plumb bob

9.

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

always subtractive

dependent on latitude

always additive

always zero

10.

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

Fly levelling

Check levelling

Precise levelling

Levelling by equalizing the distances of back sight and fore sight

Page 2 of 4

11.

In a reduced bearing system, bearing is measured from

West

North

Nearest one (north or south)

South

12.

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

Sextant

Tellurometer

Geodimeter

Telescope

13.

Level vials can be of __________________types.

2

5

4

3

14.

How many types of variations in declination are there?

4

3

2

5

15.

Plane table is made of

Rubber

Wood

Plastic

Metal

16.

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?

177°

307°

42°30'

354°

17.

___________________bearing is measured in the direction of survey.

Fore

Primary

Front

First

18.

How many categories of levelling staff are there?

5

2

4

3

19.

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

90°

30°

45°

60°

20.

A plumbing fork is used to______________the plane table.

Level

Focus

Centre

Orient

Page 3 of 4

21.

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

station

intermediate sight

benchmark

change point

22.

A digital level reads a

Target staff

Digital staff

Telescopic staff

Barcoded staff

23.

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

a) Surveyor's compass

None of these

Either a) or b)

b) Prismatic compass

24.

How many methods of plane table surveying are there?

1

3

2

4

25.

Plane table surveying uses the methodology of

Ranging

Triangulation

Contouring

Traversing

26.

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

Solving three-point problem

Solving four-point problem

Solving two-point problem

Back sighting

27.

________________instrument is used to sight to an object.

U-frame

Alidade

Plumbing fork

Compass

28.

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

0.28 m²

0.88 m²

0.04 m

29.

How many chief types of levels are used in levelling?

3

4

6

2

30.

How many meridians are used in surveying?

3

6

8

5

Page 4 of 4

31.

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

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

Defective orientation

movement of board between sights

Defective sighting

32.

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

Foot screws

Levelling Head

Tangent screws

Telescope

33.

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

Double lens

Compensator

Alinometer

Cross hairs

34.

Plane table surveying is a ___________method.

Circular

Graphical

Linear

Angular

35.

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

Centring

Focussing prism

Levelling

Adjusting sight vane

36.

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

Line of collimation

Horizontal axis

Vertical axis

37.

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

Syngonic

Agonic

Isogonic

Polygonic

38.

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

Level vials

Level rods

Tilting screws

Telescope

39.

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

Used for accurate works

Field book is not required

Rapid method

Less costly

40.

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

10000

656

6561

Surveying MCQs Set-2

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