Deck 13: Surveying Terminology and Techniques: Part A

Question 1

When the anallatic lens is provided in the telescope of a tacheometer, the additive constant is zero.

A)Agree
B)Disagree

Answer 1

Agree

Question 2

In order to determine the natural features such as valleys, rivers, lakes etc., the surveying preferred is

A)city surveying
B)location surveying
C)cadastral surveying
D)topographical surveying

Answer 2

topographical surveying

Question 3

An angle made by a survey line with the prolongation of the proceeding line, is known as

A)direct angle
B)vertical angle
C)horizontal angle
D)deflection angle

Answer 3

deflection angle

Question 4

The bearing observed with a prismatic compass is

A)whole circle bearing
B)quadrantal bearing

Question 5

Due to the magnetic influence of the earth, the magnetic needle of the prismatic compass will be inclined downward towards the pole. This inclination of the needle with the horizontal is known as

A)true bearing
B)dip
C)local attraction
D)magnetic declination

Question 6

The real image of an object formed by the objective must lie at the centre of telescope.

A)Agree
B)Disagree

Question 7

The direction of a true meridian at a station is invariable.

A)Right
B)Wrong

Question 8

In a whole circle bearing system N 25° 15' W corresponds to

A)115° 15'
B)154° 45°
C)205° 15'
D)334° 45°

Question 9

An open cross-staff is commonly used for setting out

A)short offsets
B)long offsets
C)oblique offsets
D)none of these

Question 10

The adjustable cross-staff is used for setting out an offset

A)at an angle of 45°
B)at an angle of °
C)at a right angle
D)at any angle

Question 11

To the sum of the first and last ordinates, add twice the sum of the intermediate ordinates. The total sum thus obtained is multiplied by the common distance between the ordinates. One-half of this product gives the required area. This rule of finding the area is called

A)mid-ordinate rule
B)trapezoidal rule
C)average ordinate rule
D)Simpson's rule

Question 12

The reduced level of the plane of collimation is

A)equal to
B)less than
C)greater than

Question 13

The deflection angle may have any value between

A)0° and 45°
B)0° and 90°
C)0°and 120°
D)0° and 180°

Question 14

The strength of 'fix' of a plane table from three known points is good if the middle station is

A)nearer
B)farther

Question 15

The angle by which the forward tangent deflects from the back tangent of a curve is called

A)deflection angle
B)central angle
C)angle of intersection
D)none of these

Question 16

A staff reading taken on a bench mark or a point of known elevation is called

A)fore sight reading
B)back sight reading
C)intermediate sight
D)any one of these

Question 17

If the definition of a telescope is poor, it will produce a clear and district image.

Question 18

When the magnetic declination is negative, the magnetic meridian is towards the west of true meridian.

A)Correct
B)Incorrect

Question 19

The theodolite is an instrument used for measuring very accurately

A)horizontal angles only
B)vertical angles only
C)horizontal and vertical angles
D)linear measurements

Question 20

The spacing of cross-sections in a hilly country is usually

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

Question 21

In a retrograde vernier, the smallest division of a vernier is

A)equal to
B)shorter than
C)longer than

Question 22

The diurnal variation of the magnetic needle is more in

A)summer than winter
B)winter than summer

Question 23

An optical square is used for the same purpose as the cross-staff, but it is more accurate.

Question 24

A reverse curve consists of

A)a single curve of a circle connecting two straights
B)two arcs of different radii bending in the same direction
C)two arcs of equal radii bending in the same direction
D)two arcs of equal or different radii bending in the opposite directions