Surveying Practice | Set-2 | Compass Survey

1. Magnetic meridian _

Constant always
Also called azimuth
Passes through the geographic North and South pole always
May vary time to time

2. When a magnetic needle suspend freely, it shows_

True Bearing
Arbitrary Bearing
Magnetic Bearing
Azimuth

3. Whole circle bearing is measured in_

Anti-clockwise direction only
Clockwise direction only
May clockwise or Anti-clockwise direction
Clock wise in Northern hemisphere an anti-anticlockwise in Southern Hemisphere.

4. The angle measurement in whole circle bearing starts form _

90°at West
90°at North
0°at South
0°at North

5. Whole circle bearing varies form _

0°to 180°
0°to 360°
90°to 180°
180°to 270°

6. The bearing of a line in the direction opposite to the direction of the progress of survey is called_

Fore Bearing
Back Bearing
True Bearing
Arbitrary Bearing

7. Quadrantal bearing measured in _

Anti-clockwise direction only
May clockwise or Anti-clockwise direction
Clock wise in Northern hemisphere an anti-anticlockwise in Southern Hemisphere only
Clockwise direction only

8. Quadrantal bearing varies_

0°to 180°
90°to 180°
0°to 90°
180°to 270°

9. Which of the following is the correct example of Quadrantal Bearing_

E 45°N
W 45°N
S 45°W
S 45°N

10. Surveyor’s Compass follows _

Whole circle bearing, start from 0°N
Quadrantal Bearing starts from 0°S
Quadrantal Bearing , start from 270°W
Whole circle bearing from 180°S

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