Surveying MCQs Set-2

Page 1 of 4

1.

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

1000

10000

6561

2.

A levelling staff is used to establish

Vertical line of sight

Location of Points

Distance of points

Horizontal line of sight

3.

________________instrument is used to sight to an object.

Alidade

U-frame

Plumbing fork

Compass

4.

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

self level

transit

aneroid barometer

hypsometer

5.

Dumpy level was originally designed by

Stanley

Fennel

Heerbrugg

Gravatt

6.

___________________bearing is measured in the direction of survey.

First

Primary

Fore

Front

7.

How many types of self reading staff are available?

5

3

4

2

8.

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

Less costly

Used for accurate works

Rapid method

Field book is not required

9.

How many ways are there to orient a plane table?

1

4

3

2

10.

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

Back sighting

Solving two-point problem

Solving three-point problem

Solving four-point problem

Page 2 of 4

11.

How many meridians are used in surveying?

8

3

6

5

12.

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

always additive

always zero

dependent on latitude

always subtractive

13.

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

Local attraction

Deviation

Declination

Local distraction

14.

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

90°

60°

45°

30°

15.

How many categories of levelling staff are there?

3

4

5

2

16.

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

benchmark

intermediate sight

station

change point

17.

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 sighting

movement of board between sights

Defective orientation

18.

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

0.04 m

0.88 m²

0.14 m

19.

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

Check levelling

Fly levelling

Precise levelling

20.

In a reduced bearing system, bearing is measured from

South

North

West

Nearest one (north or south)

Page 3 of 4

21.

How many types of variations in declination are there?

4

5

2

3

22.

Plane table surveying uses the methodology of

Ranging

Contouring

Traversing

Triangulation

23.

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

Cross hairs

Double lens

Compensator

Alinometer

24.

Plane table is made of

Plastic

Rubber

Metal

Wood

25.

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

Compass

Spirit level

Plumb bob

U-frame

26.

Level vials can be of __________________types.

5

2

3

4

27.

How many chief types of levels are used in levelling?

2

3

6

4

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?

354°

307°

177°

42°30'

29.

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

Only II

Both I and II

Neither I nor II

30.

A digital level reads a

Barcoded staff

Telescopic staff

Target staff

Digital staff

Page 4 of 4

31.

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

Foot screws

Levelling Head

Telescope

Tangent screws

32.

How many methods of plane table surveying are there?

2

1

3

4

33.

Plane table surveying is a ___________method.

Circular

Linear

Angular

Graphical

34.

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

35.

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

Tilting screws

Level rods

Telescope

Level vials

36.

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

Syngonic

Polygonic

Agonic

Isogonic

37.

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

Vertical axis

Horizontal axis

Telescopic axis

38.

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

Geodimeter

Tellurometer

Sextant

Telescope

39.

A plumbing fork is used to______________the plane table.

Level

Focus

Centre

Orient

40.

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

Centring

Adjusting sight vane

Focussing prism

Levelling

Surveying MCQs Set-2

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