Deck 7: Surveying and Levelling Techniques and Contouring Methods

Question 1

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

A)Polygonic
B)Isogonic
C)Syngonic
D)Agonic

Answer 1

Isogonic

Question 2

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

A)Centring
B)Levelling
C)Focussing prism
D)Adjusting sight vane

Answer 2

Adjusting sight vane

Question 3

How many types of variations in declination are there?

A)4
B)5
C)2
D)3

Answer 3

4

Question 4

A levelling staff is used to establish:

A)Horizontal line of sight
B)Vertical line of sight
C)Location of points
D)Distance of points

Question 5

Dumpy level was originally designed by:

A)Fennel
B)Heerbrugg
C)Stanley
D)Gravatt

Question 6

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

A)Foot screws
B)Levelling head
C)Telescope
D)Tangent screws

Question 7

A digital level reads a:

A)Target staff
B)Barcoded staff
C)Digital staff
D)Telescopic staff

Question 8

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

A)Self level
B)Aneroid barometer
C)Transit
D)Hypsometer

Question 9

How many types of self-reading staff are available?

A)5
B)2
C)3
D)4

Question 10

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

A)Telescope
B)Level vials
C)Level rods
D)Tilting screws

Question 11

Trigonometric levelling is also called:

A)Indirect levelling
B)Differential levelling
C)Fly levelling
D)Profile levelling

Question 12

In _________ levelling, the first and last point are at a far distance.

A)Fly
B)Differential
C)Profile
D)Reciprocal

Question 13

Stadia levelling is a modified form of:

A)Fly levelling
B)Differential levelling
C)Simple levelling
D)Trigonometric levelling

Question 14

Reciprocal levelling is used when,

A)Flat terrain
B)Obstacles are there
C)BM not visible
D)Highway construction

Question 15

In a hilly terrain, staff reading is more at:

A)Lower point
B)Higher point
C)First point
D)Last point

Question 16

Which is the arithmetic check for the height of instrument method?

A)?FS + ?BS = First RL + Last RL@
B)?BS - ?FS = Last RL - First RL@
C)?FS + ?BS = Last RL + First RL@
D)?BS - ?FS = First RL - Last RL@

Question 17

Which instrument is used in trigonometric levelling?

A)Wye level
B)Compass
C)Theodolite
D)Dumpy level

Question 18

In levelling, error due to earth's curvature is to be corrected using:

A)Cc=0.0673D2
B)Cc=0.0112D2
C)Cc=0.0136D2
D)Cc=0.0785D2

Question 19

Contours can be found in a __________ map.

A)Political
B)Topographical
C)Physical
D)Thematic

Question 20

Contour Maps are not mandatory in civil engineering projects like road works, dams,
canals,etc.

Question 21

How many methods of contouring are present?

A)5
B)3
C)2
D)4

Question 22

Indirect methods uses how many methods?

A)3
B)4
C)2
D)6

Question 23

The commonly used squares in the method of a square is:

A)10m x 10m to 5m x 5m
B)10m x 10m to 15m x 15m
C)5m x 5m to 20m x 20m
D)5m x 5m to 10m x 15m

Question 24

Which of the below methods is used for interpolating contour points between 2 points?

A)Arithmetic calculation
B)Using measuring tapes
C)Taking pictures of area
D)Using a theodolite

Question 25

The contour interval is the same for all purposes.