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

1000

656

6561

10000

2.

In a reduced bearing system, bearing is measured from

South

West

Nearest one (north or south)

North

3.

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°

42°30'

177°

4.

Dumpy level was originally designed by

Heerbrugg

Fennel

Stanley

Gravatt

5.

How many methods of plane table surveying are there?

2

4

3

1

6.

How many types of self reading staff are available?

2

4

3

5

7.

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

always additive

always zero

always subtractive

dependent on latitude

8.

A digital level reads a

Digital staff

Target staff

Telescopic staff

Barcoded staff

9.

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

Both I and II

Neither I nor II

Only II

Only I

10.

A levelling staff is used to establish

Distance of points

Location of Points

Horizontal line of sight

Vertical line of sight

Page 2 of 4

11.

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

Syngonic

Isogonic

Agonic

Polygonic

12.

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

Field book is not required

Used for accurate works

Rapid method

Less costly

13.

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

Tilting screws

Level vials

Telescope

Level rods

14.

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

Sextant

Telescope

Geodimeter

Tellurometer

15.

Plane table is made of

Plastic

Rubber

Wood

Metal

16.

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

Focussing prism

Adjusting sight vane

Levelling

Centring

17.

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

b) Prismatic compass

None of these

Either a) or b)

a) Surveyor's compass

18.

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

Declination

Local attraction

Deviation

Local distraction

19.

The line joining the intersection of the cross hairs to the optical centre of the object glass and its continuation is called as

Vertical axis

Telescopic axis

Line of collimation

Horizontal axis

20.

________________instrument is used to sight to an object.

U-frame

Alidade

Plumbing fork

Compass

Page 3 of 4

21.

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

Compass

Spirit level

U-frame

Plumb bob

22.

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

station

benchmark

change point

intermediate sight

23.

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

Precise levelling

Check levelling

Levelling by equalizing the distances of back sight and fore sight

Fly levelling

24.

How many types of variations in declination are there?

3

5

4

2

25.

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

Tangent screws

Levelling Head

Foot screws

Telescope

26.

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

Solving three-point problem

Solving four-point problem

Back sighting

Solving two-point problem

27.

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

transit

self level

aneroid barometer

hypsometer

28.

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

0.04 m

0.14 m

0.88 m²

0.28 m²

29.

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

movement of board between sights

Defective orientation

Defective sighting

30.

How many categories of levelling staff are there?

5

4

2

3

Page 4 of 4

31.

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

Double lens

Cross hairs

Alinometer

Compensator

32.

___________________bearing is measured in the direction of survey.

Fore

Front

Primary

First

33.

Level vials can be of __________________types.

2

4

3

5

34.

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

45°

60°

30°

90°

35.

How many meridians are used in surveying?

6

8

5

3

36.

A plumbing fork is used to______________the plane table.

Level

Focus

Centre

Orient

37.

Plane table surveying is a ___________method.

Circular

Linear

Graphical

Angular

38.

Plane table surveying uses the methodology of

Triangulation

Ranging

Traversing

Contouring

39.

How many chief types of levels are used in levelling?

4

2

6

3

40.

How many ways are there to orient a plane table?

2

1

4

3

Surveying MCQs Set-2

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