Surveying MCQs Set-2

Page 1 of 4

1.

How many ways are there to orient a plane table?

3

2

4

1

2.

A plumbing fork is used to______________the plane table.

Centre

Orient

Focus

Level

3.

________________instrument is used to sight to an object.

Plumbing fork

Compass

Alidade

U-frame

4.

Dumpy level was originally designed by

Stanley

Gravatt

Fennel

Heerbrugg

5.

How many meridians are used in surveying?

3

8

6

5

6.

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

always subtractive

dependent on latitude

always additive

always zero

7.

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

Adjusting sight vane

Levelling

Centring

Focussing prism

8.

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

Tangent screws

Telescope

Foot screws

Levelling Head

9.

How many types of self reading staff are available?

3

5

4

2

10.

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

Level vials

Telescope

Tilting screws

Level rods

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?

177°

307°

42°30'

354°

12.

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

60°

30°

90°

45°

13.

Plane table surveying uses the methodology of

Traversing

Ranging

Contouring

Triangulation

14.

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

self level

aneroid barometer

hypsometer

transit

15.

___________________bearing is measured in the direction of survey.

Primary

Fore

Front

First

16.

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 II

Neither I nor II

Both I and II

Only I

17.

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

U-frame

Plumb bob

Spirit level

Compass

18.

A levelling staff is used to establish

Location of Points

Horizontal line of sight

Distance of points

Vertical line of sight

19.

How many methods of plane table surveying are there?

1

4

3

2

20.

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)

Page 3 of 4

21.

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

Polygonic

Syngonic

Agonic

Isogonic

22.

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

station

change point

intermediate sight

benchmark

23.

How many categories of levelling staff are there?

3

4

2

5

24.

A digital level reads a

Barcoded staff

Digital staff

Telescopic staff

Target staff

25.

In a reduced bearing system, bearing is measured from

North

Nearest one (north or south)

West

South

26.

Plane table surveying is a ___________method.

Circular

Angular

Linear

Graphical

27.

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

Defective sighting

movement of board between sights

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

Defective orientation

28.

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

Line of collimation

Telescopic axis

Horizontal axis

29.

Level vials can be of __________________types.

3

4

2

5

30.

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

Alinometer

Cross hairs

Double lens

Compensator

Page 4 of 4

31.

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

0.14 m

0.88 m²

0.04 m

0.28 m²

32.

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

Local attraction

Local distraction

Deviation

Declination

33.

How many types of variations in declination are there?

5

3

2

4

34.

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

Precise levelling

Levelling by equalizing the distances of back sight and fore sight

Fly levelling

Check levelling

35.

How many chief types of levels are used in levelling?

6

4

2

3

36.

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

Used for accurate works

Less costly

Rapid method

Field book is not required

37.

Plane table is made of

Metal

Wood

Plastic

Rubber

38.

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

Geodimeter

Tellurometer

Telescope

Sextant

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

656

6561

1000

10000

40.

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

Solving four-point problem

Back sighting

Solving two-point problem

Solving three-point problem

Surveying MCQs Set-2

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