Surveying MCQs Set-2

Page 1 of 4

1.

How many chief types of levels are used in levelling?

6

4

3

2

2.

A digital level reads a

Barcoded staff

Digital staff

Telescopic staff

Target staff

3.

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

a) Surveyor's compass

None of these

b) Prismatic compass

Either a) or b)

4.

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

6561

1000

10000

656

5.

A plumbing fork is used to______________the plane table.

Level

Centre

Focus

Orient

6.

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

transit

aneroid barometer

hypsometer

self level

7.

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

8.

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

Focussing prism

Adjusting sight vane

Levelling

Centring

9.

Plane table surveying uses the methodology of

Traversing

Triangulation

Ranging

Contouring

10.

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

U-frame

Spirit level

Plumb bob

Compass

Page 2 of 4

11.

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

12.

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

always additive

dependent on latitude

always subtractive

always zero

13.

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

0.88 m²

0.04 m

14.

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

Deviation

Local distraction

Declination

Local attraction

15.

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

Tangent screws

Levelling Head

Foot screws

Telescope

16.

How many ways are there to orient a plane table?

2

3

4

1

17.

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

Fly levelling

Levelling by equalizing the distances of back sight and fore sight

Check levelling

Precise levelling

18.

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

Compensator

Alinometer

Double lens

Cross hairs

19.

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

Syngonic

Agonic

Polygonic

Isogonic

20.

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

change point

intermediate sight

station

benchmark

Page 3 of 4

21.

In a reduced bearing system, bearing is measured from

Nearest one (north or south)

North

West

South

22.

___________________bearing is measured in the direction of survey.

Fore

Front

Primary

First

23.

How many categories of levelling staff are there?

5

4

3

2

24.

Plane table surveying is a ___________method.

Circular

Graphical

Angular

Linear

25.

Level vials can be of __________________types.

3

2

5

4

26.

How many methods of plane table surveying are there?

4

3

2

1

27.

How many meridians are used in surveying?

6

8

3

5

28.

Dumpy level was originally designed by

Heerbrugg

Stanley

Fennel

Gravatt

29.

A levelling staff is used to establish

Vertical line of sight

Horizontal line of sight

Distance of points

Location of Points

30.

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

90°

30°

60°

45°

Page 4 of 4

31.

Plane table is made of

Rubber

Wood

Plastic

Metal

32.

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

Less costly

Rapid method

Field book is not required

Used for accurate works

33.

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

Sextant

Geodimeter

Telescope

Tellurometer

34.

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 II

Neither I nor II

Both I and II

Only I

35.

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

Tilting screws

Telescope

Level vials

Level rods

36.

How many types of self reading staff are available?

5

4

3

2

37.

How many types of variations in declination are there?

2

5

4

3

38.

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

Solving four-point problem

Solving three-point problem

Back sighting

Solving two-point problem

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.

________________instrument is used to sight to an object.

U-frame

Plumbing fork

Compass

Alidade

Surveying MCQs Set-2

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