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 II

Both I and II

Neither I nor II

Only I

2.

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

Plumb bob

Spirit level

U-frame

Compass

3.

How many ways are there to orient a plane table?

2

4

1

3

4.

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

90°

30°

45°

60°

5.

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

always subtractive

always zero

always additive

dependent on latitude

6.

How many methods of plane table surveying are there?

2

3

1

4

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

10000

656

1000

6561

8.

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

Telescope

Geodimeter

Tellurometer

Sextant

9.

Dumpy level was originally designed by

Gravatt

Stanley

Fennel

Heerbrugg

10.

Plane table surveying is a ___________method.

Angular

Graphical

Circular

Linear

Page 2 of 4

11.

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

b) Prismatic compass

Either a) or b)

None of these

a) Surveyor's compass

12.

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

Telescope

Levelling Head

Foot screws

Tangent screws

13.

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

14.

Plane table surveying uses the methodology of

Contouring

Ranging

Traversing

Triangulation

15.

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

movement of board between sights

Defective sighting

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

Defective orientation

16.

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

17.

Plane table is made of

Plastic

Wood

Metal

Rubber

18.

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

Telescope

Level rods

Tilting screws

Level vials

19.

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

Solving three-point problem

Solving two-point problem

Back sighting

Solving four-point problem

20.

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

Levelling

Focussing prism

Centring

Adjusting sight vane

Page 3 of 4

21.

A digital level reads a

Target staff

Digital staff

Barcoded staff

Telescopic staff

22.

A levelling staff is used to establish

Distance of points

Horizontal line of sight

Vertical line of sight

Location of Points

23.

How many types of variations in declination are there?

2

5

3

4

24.

How many types of self reading staff are available?

3

4

5

2

25.

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

Field book is not required

Rapid method

Less costly

Used for accurate works

26.

Level vials can be of __________________types.

3

2

5

4

27.

________________instrument is used to sight to an object.

Plumbing fork

Compass

U-frame

Alidade

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°

42°30'

177°

354°

29.

A plumbing fork is used to______________the plane table.

Orient

Level

Focus

Centre

30.

In a reduced bearing system, bearing is measured from

South

North

West

Nearest one (north or south)

Page 4 of 4

31.

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

Cross hairs

Alinometer

Compensator

Double lens

32.

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

Isogonic

Agonic

Polygonic

Syngonic

33.

How many meridians are used in surveying?

8

6

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

Line of collimation

Telescopic axis

Horizontal axis

Vertical axis

35.

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

transit

self level

aneroid barometer

hypsometer

36.

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

Local attraction

Declination

Local distraction

Deviation

37.

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

Precise levelling

Check levelling

Fly levelling

Levelling by equalizing the distances of back sight and fore sight

38.

How many chief types of levels are used in levelling?

6

2

3

4

39.

How many categories of levelling staff are there?

5

4

3

2

40.

___________________bearing is measured in the direction of survey.

Front

Fore

Primary

First

Surveying MCQs Set-2

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