# Surveying Questions and Answers – Traverse Surveying – Consecutive Co-ordinates: Latitude And Departure

This set of Surveying test focuses on “Traverse Surveying – Consecutive Co-ordinates: Latitude And Departure”.

1. Co ordinate length measured parallel to an assumed meridian direction may be defined as _________
a) Latitude of a survey line
b) Departure of survey line
c) Length of survey line
d) Slope of survey line

Explanation: The latitude of the survey line may be defined as its coordinate length measured parallel to an assumed meridian direction. True north or magnetic north or any other reference direction.

2. The departure of the survey line may be defined as its coordinate length at right angles to the meridian direction.
a) True
b) False

Explanation: The departure of the survey line may be defined as its co ordinate length measured at right angles to the meridian direction. The departure of the survey line is positive when measured eastward.

3. In which direction latitude of the line is positive?
a) North
b) South
c) East
d) West

Explanation: The latitude of the line is positive when measured northward. It is termed as northing.

4. In which direction latitude of the line is negative?
a) North
b) South
c) East
d) West

Explanation: The latitude of the line is negative when measured southward. It is termed as southing.

5. The departure of the line is negative in east direction.
a) True
b) False

Explanation: The departure of the line is negative in westward. It is termed as westing.
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6. In which direction the departure of the line is positive?
a) North
b) South
c) East
d) West

Explanation: The departure of the line is positive when measured eastward. It is termed as westing.

7. If l is the length of the line and angle made with y-axis is y° then latitude (L) of the line is ____
a) l cos y°
b) l sin y°
c) l tan y°
d) l cosec y°

Explanation: We know L/l = cos y °. Then L = l cos y°. Therefore latitude L = l cos y°.

8. If l is the length of the line and angle made with y axis is y° then departure (D) of the line is ____
a) l cos y°
b) l sin y°
c) l tan y°
d) l cosec y°

Explanation: We know D/l = cos y °. Then D = l sin y°. Therefore latitude D = l cos y°.

9. The total latitude and departure of any point with respect to a common origin are known as dependent coordinates.
a) True
b) False

Explanation: The coordinates of transverse stations can be calculated with respect to a common origin. The total latitude and departure of any point with respect to a common origin are known as independent coordinates or total coordinates.

10. Total latitude of end point of a transverse is equal to total latitudes of the first point of transverse plus the algebraic sum of all the latitudes.
a) True
b) False

Explanation: The independent coordinates of any point may be obtained by adding algebraically the latitudes and departure of the lines between that point and the origin.

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