Surveying MCQs Set-2

Page 1 of 4

1.

Level vials can be of __________________types.

5

2

4

3

2.

In a reduced bearing system, bearing is measured from

Nearest one (north or south)

North

West

South

3.

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

Horizontal axis

Line of collimation

Telescopic axis

4.

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

Focussing prism

Adjusting sight vane

Centring

Levelling

5.

How many types of variations in declination are there?

5

3

2

4

6.

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

Defective orientation

movement of board between sights

Defective sighting

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

7.

___________________bearing is measured in the direction of survey.

First

Fore

Primary

Front

8.

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

9.

How many chief types of levels are used in levelling?

3

6

4

2

10.

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

Spirit level

Plumb bob

Compass

U-frame

Page 2 of 4

11.

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°

177°

42°30'

354°

12.

Plane table is made of

Rubber

Wood

Plastic

Metal

13.

Dumpy level was originally designed by

Gravatt

Fennel

Stanley

Heerbrugg

14.

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

Telescope

Geodimeter

Sextant

Tellurometer

15.

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

Either a) or b)

a) Surveyor's compass

b) Prismatic compass

None of these

16.

How many categories of levelling staff are there?

5

3

2

4

17.

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

0.28 m²

0.14 m

0.88 m²

18.

Plane table surveying is a ___________method.

Linear

Circular

Graphical

Angular

19.

A levelling staff is used to establish

Location of Points

Horizontal line of sight

Vertical line of sight

Distance of points

20.

How many ways are there to orient a plane table?

4

3

2

1

Page 3 of 4

21.

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

Field book is not required

Used for accurate works

Less costly

Rapid method

22.

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

Double lens

Cross hairs

Compensator

Alinometer

23.

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

self level

hypsometer

transit

aneroid barometer

24.

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

always zero

always subtractive

always additive

dependent on latitude

25.

How many meridians are used in surveying?

3

8

5

6

26.

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

Syngonic

Agonic

Polygonic

Isogonic

27.

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

Level vials

Tilting screws

Telescope

Level rods

28.

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

45°

30°

90°

60°

29.

A plumbing fork is used to______________the plane table.

Orient

Focus

Centre

Level

30.

How many types of self reading staff are available?

5

4

3

2

Page 4 of 4

31.

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

32.

Plane table surveying uses the methodology of

Contouring

Triangulation

Ranging

Traversing

33.

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

Check levelling

Levelling by equalizing the distances of back sight and fore sight

Precise levelling

Fly levelling

34.

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

Levelling Head

Tangent screws

Foot screws

Telescope

35.

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

Solving three-point problem

Solving two-point problem

Back sighting

Solving four-point problem

36.

How many methods of plane table surveying are there?

1

4

3

2

37.

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

Local distraction

Deviation

Local attraction

Declination

38.

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

intermediate sight

station

change point

benchmark

39.

________________instrument is used to sight to an object.

Alidade

Compass

Plumbing fork

U-frame

40.

A digital level reads a

Target staff

Barcoded staff

Digital staff

Telescopic staff

Surveying MCQs Set-2

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