Surveying MCQs Set-2

Page 1 of 4

1.

How many categories of levelling staff are there?

4

2

5

3

2.

A plumbing fork is used to______________the plane table.

Focus

Centre

Level

Orient

3.

___________________bearing is measured in the direction of survey.

Primary

Front

First

Fore

4.

A levelling staff is used to establish

Location of Points

Distance of points

Vertical line of sight

Horizontal line of sight

5.

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

Foot screws

Telescope

Tangent screws

Levelling Head

6.

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

Alinometer

Compensator

Double lens

Cross hairs

7.

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

30°

60°

90°

45°

8.

Plane table surveying uses the methodology of

Triangulation

Contouring

Traversing

Ranging

9.

Level vials can be of __________________types.

3

2

5

4

10.

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

10000

656

1000

Page 2 of 4

11.

How many chief types of levels are used in levelling?

3

2

6

4

12.

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

Centring

Levelling

Adjusting sight vane

Focussing prism

13.

Plane table surveying is a ___________method.

Angular

Circular

Graphical

Linear

14.

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

Syngonic

Agonic

Polygonic

Isogonic

15.

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

Level rods

Level vials

Tilting screws

Telescope

16.

How many ways are there to orient a plane table?

4

3

2

1

17.

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

Geodimeter

Tellurometer

Telescope

Sextant

18.

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

Solving three-point problem

Back sighting

Solving two-point problem

Solving four-point problem

19.

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

station

intermediate sight

change point

benchmark

20.

A digital level reads a

Digital staff

Target staff

Barcoded staff

Telescopic staff

Page 3 of 4

21.

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

22.

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

Plumb bob

Compass

U-frame

Spirit level

23.

________________instrument is used to sight to an object.

Plumbing fork

Alidade

Compass

U-frame

24.

How many types of self reading staff are available?

5

3

4

2

25.

In a reduced bearing system, bearing is measured from

Nearest one (north or south)

West

South

North

26.

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

Rapid method

Field book is not required

Used for accurate works

Less costly

27.

How many methods of plane table surveying are there?

2

4

3

1

28.

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

always subtractive

always zero

dependent on latitude

always additive

29.

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?

42°30'

354°

307°

177°

30.

How many meridians are used in surveying?

8

3

6

5

Page 4 of 4

31.

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

None of these

b) Prismatic compass

a) Surveyor's compass

Either a) or b)

32.

Dumpy level was originally designed by

Gravatt

Stanley

Heerbrugg

Fennel

33.

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

Neither I nor II

Both I and II

34.

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

transit

aneroid barometer

self level

hypsometer

35.

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

36.

How many types of variations in declination are there?

2

4

5

3

37.

Plane table is made of

Rubber

Wood

Metal

Plastic

38.

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

Deviation

Declination

Local distraction

Local attraction

39.

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

Check levelling

Precise levelling

Fly levelling

Levelling by equalizing the distances of back sight and fore sight

40.

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

Surveying MCQs Set-2

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