Deck 14: Surveying Terminology and Techniques: Part B

Question 1

A deflection angle is

A)less than 90°
B)more than 90° but less than 180°
C)equal to the difference between the angle of intersection and 180°
D)equal to the difference between the angle of intersection and 3°

Answer 1

equal to the difference between the angle of intersection and 180°

Question 2

The bearing of a line in the direction of the progress of survey is called back bearing

Answer 2

False

Question 3

The rise and fall method for obtaining the reduced levels of points provides a check on

A)fore sights only
B)back sights only
C)intermediate sights only
D)all of these

Answer 3

all of these

Question 4

The axis of telescope level must be

A)parallel
B)perpendicular

Question 5

330°In a direct vernier, the smallest division of a vernier is

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

Question 6

The latitude and departure of a traverse line are both positive when the whole circle bearing of the line lies in the

A)first quadrant
B)second quadrant
C)third quadrant
D)fourth quadrant

Question 7

An invar tape is generally used for accurate measurement of distance because it possesses

A)zero
B)low
C)high

Question 8

The reconnaissance surveying is carried out to determine the artificial features such as roads, railways, canals, buildings etc.

Question 9

The departure of a traverse line is obtained by multiplying its length with the tangent of its reduced bearing.

A)Agree
B)Disagree

Question 10

The strength of 'fix' of a plane table from three known points is poor if the instrument station is near the great circle.

A)Correct
B)Incorrect

Question 11

A diagonal scale is used to read

A)two
B)three
C)four

Question 12

An imaginary line tangential to the longitudinal curve of the bubble tube at its middle point is called

A)axis of telescope
B)axis of level tube
C)level line
D)line of collimation

Question 13

The curve used for ideal transition curve is a

A)cubic parabola
B)clothoid spiral
C)cubic spiral
D)lemniscate

Question 14

In high latitudes, the diurnal variation of the magnetic needle is greater.

A)Agree
B)Disagree

Question 15

When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be

A)positive error
B)negative error
C)compensating error
D)none of these

Question 16

To find the true difference of level between two points, the level should be kept

A)at either of the two points
B)exactly midway between the two points
C)at any point on the line joining the two points
D)none of the above

Question 17

A line joining the optical centre of the object glass and the centre of the eye piece, is known as

A)fundamental line
B)axis of telescope
C)axis of level tube
D)line of collimation

Question 18

When R is the radius of the curve (in metres), D is the degree of curve (in degrees) and length of the chord is 30°m, then the relation between R and D is

A)R = 1520/D
B)R = 1720/D
C)R = 45°°/D
D)R = 540° / D

Question 19

A compound curve consists of two arcs of equal radii bending in the same direction.

A)Right
B)Wrong

Question 20

When the angular mesurements of a traverse are more precise than the linear measurements, the balancing of a traverse is done by

A)transit rule
B)empirical rule
C)Bowditch's rule
D)any one of these

Question 21

The additive constant for the tacheometer is

A)f / i
B)I / f
C)f / d
D)f + d

Question 22

Which of the following statement is correct?

A)The line ranger is used for fixing intermediate points on the chain lines.
B)The indirect ranging is resorted to when the ends of a line are not intervisible due to high ground.
C)The chainman at the forward end of the chain is called leader.
D)all of the above

Question 23

The error which is not completely eliminated in reciprocal levelling, is

A)error due to curvature
B)error due to refraction
C)error due to non-adjustment of the line of collimation
D)error due to non-adjustment of bubble tube

Question 24

When the whole circle bearing of two lines AB and AC are 115° and 41° respectively, then the included angle BAC will be

A)41°
B)74°
C)115°
D)156°