Traversing

What is the formula to find out the sum of interior angles of a closed polygon traverse?

• (n - 2) x 360°
• (n + 2) x 360°
• (n - 2) x 180°
• (n + 2) x 180°

If 'n' is the number of side, then the total sum of included angle of closed traverse should be :

• (n+2) 90°
• (2n+4) 90°
• (2n-4) 90°
• (4n-2) 90°

If n is the number of sides, then the total sum of the exterior angle in a closed traverse is

• (n+2) 90°
• (2n-4) 90°
• (2n+4) 90°
• (4n-2) 90°

If L is latitude and D is departure, then closing error is given by

• [ ( ΣL² + ΣD² ) ]
• √ ( ΣL + ΣD )
• √ ( ΣL² + ΣD² )
• None of these

The latitude and departure of a traverse line are both +ve, when the whole circle bearing of the line in between :

• 0° and 90°
• 90° and 180°
• 180° and 270°
• 270° and 360°

For important traverse survey's, the permissible angular error is

• 1' √N
• 30" √N
• 15" √N
• 45" √N

For a closed traverse of 4 sides, the sum of exterior angles is

• 360°
• 720°
• 1080°
• 1440°

What is the sum of the interior angles of a closed polygon traverse that has of 8 sides?

• 720°
• 1080°
• 1440°
• 1800°

Bowditch rule is applied to

• An open traverse for graphical adjustments
• Determine the effect of local attraction
• closed traverse for adjustments of closing error
• Angular correction

The operation making the algebraic sum of latitudes and departures of a closed traverse, each equal to zero is known as :

• Balancing the sight
• Balancing the departure
• Balancing the latitude
• Balancing the traverse