Surveying MCQs Set-2

Page 1 of 4

1.

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

None of these

Either a) or b)

a) Surveyor's compass

b) Prismatic compass

2.

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

Field book is not required

Less costly

Rapid method

Used for accurate works

3.

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

Fly levelling

Check levelling

Precise levelling

4.

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

Neither I nor II

Only II

Both I and II

5.

Plane table is made of

Wood

Rubber

Plastic

Metal

6.

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

benchmark

station

intermediate sight

change point

7.

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

always subtractive

dependent on latitude

always zero

always additive

8.

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

self level

transit

aneroid barometer

hypsometer

9.

How many methods of plane table surveying are there?

3

4

1

2

10.

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

Spirit level

U-frame

Compass

Plumb bob

Page 2 of 4

11.

A plumbing fork is used to______________the plane table.

Focus

Level

Orient

Centre

12.

How many types of self reading staff are available?

3

5

2

4

13.

How many chief types of levels are used in levelling?

3

2

4

6

14.

How many types of variations in declination are there?

5

2

3

4

15.

Level vials can be of __________________types.

3

5

2

4

16.

How many meridians are used in surveying?

6

3

5

8

17.

Dumpy level was originally designed by

Gravatt

Stanley

Fennel

Heerbrugg

18.

________________instrument is used to sight to an object.

Alidade

Compass

U-frame

Plumbing fork

19.

A levelling staff is used to establish

Distance of points

Vertical line of sight

Horizontal line of sight

Location of Points

20.

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

90°

30°

60°

45°

Page 3 of 4

21.

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

Sextant

Tellurometer

Telescope

Geodimeter

22.

How many ways are there to orient a plane table?

3

4

1

2

23.

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°

42°30'

177°

307°

24.

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

25.

Plane table surveying uses the methodology of

Ranging

Triangulation

Traversing

Contouring

26.

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

Telescope

Foot screws

Levelling Head

Tangent screws

27.

A digital level reads a

Telescopic staff

Digital staff

Target staff

Barcoded staff

28.

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

Double lens

Alinometer

Cross hairs

Compensator

29.

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

Solving four-point problem

Solving two-point problem

Back sighting

Solving three-point problem

30.

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

Isogonic

Agonic

Polygonic

Syngonic

Page 4 of 4

31.

Plane table surveying is a ___________method.

Graphical

Angular

Circular

Linear

32.

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

Deviation

Local distraction

Declination

Local attraction

33.

How many categories of levelling staff are there?

4

2

3

5

34.

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

Levelling

Adjusting sight vane

Centring

Focussing prism

35.

In a reduced bearing system, bearing is measured from

North

West

Nearest one (north or south)

South

36.

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

0.88 m²

0.04 m

0.28 m²

0.14 m

37.

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

Level vials

Telescope

Level rods

Tilting screws

38.

___________________bearing is measured in the direction of survey.

Front

Fore

First

Primary

39.

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

1000

656

40.

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

Horizontal axis

Telescopic axis

Vertical axis

Line of collimation

Surveying MCQs Set-2

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