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

Both I and II

Only I

Neither I nor II

Only II

2.

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

U-frame

Compass

Plumb bob

Spirit level

3.

In a reduced bearing system, bearing is measured from

South

West

Nearest one (north or south)

North

4.

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

5.

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

Telescope

Tilting screws

Level rods

Level vials

6.

How many types of self reading staff are available?

3

5

4

2

7.

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°

8.

Plane table is made of

Plastic

Rubber

Wood

Metal

9.

___________________bearing is measured in the direction of survey.

Front

First

Fore

Primary

10.

How many types of variations in declination are there?

5

3

4

2

Page 2 of 4

11.

Plane table surveying uses the methodology of

Contouring

Triangulation

Ranging

Traversing

12.

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

0.88 m²

0.14 m

0.28 m²

13.

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

Defective orientation

movement of board between sights

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

Defective sighting

14.

________________instrument is used to sight to an object.

U-frame

Alidade

Plumbing fork

Compass

15.

How many methods of plane table surveying are there?

2

4

1

3

16.

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

Solving two-point problem

Solving four-point problem

Solving three-point problem

Back sighting

17.

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

6561

1000

18.

A digital level reads a

Barcoded staff

Digital staff

Telescopic staff

Target staff

19.

How many categories of levelling staff are there?

2

3

5

4

20.

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

Tellurometer

Geodimeter

Telescope

Sextant

Page 3 of 4

21.

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

Alinometer

Compensator

Cross hairs

Double lens

22.

Dumpy level was originally designed by

Heerbrugg

Stanley

Fennel

Gravatt

23.

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

Rapid method

Used for accurate works

Field book is not required

Less costly

24.

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

30°

45°

90°

60°

25.

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

Vertical axis

Horizontal axis

26.

Plane table surveying is a ___________method.

Circular

Graphical

Linear

Angular

27.

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

always additive

always subtractive

always zero

dependent on latitude

28.

How many chief types of levels are used in levelling?

3

2

6

4

29.

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

Polygonic

Syngonic

Agonic

Isogonic

30.

A levelling staff is used to establish

Location of Points

Vertical line of sight

Horizontal line of sight

Distance of points

Page 4 of 4

31.

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

Deviation

Local distraction

Local attraction

Declination

32.

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

Foot screws

Telescope

Levelling Head

Tangent screws

33.

How many meridians are used in surveying?

3

6

8

5

34.

How many ways are there to orient a plane table?

3

1

4

2

35.

A plumbing fork is used to______________the plane table.

Level

Focus

Orient

Centre

36.

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

Adjusting sight vane

Focussing prism

Centring

Levelling

37.

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

aneroid barometer

transit

self level

hypsometer

38.

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

benchmark

change point

station

intermediate sight

39.

Level vials can be of __________________types.

2

4

3

5

40.

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

Precise levelling

Check levelling

Fly levelling

Surveying MCQs Set-2

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