Civil Engineering (CE) Exam > Civil Engineering (CE) Questions > The vertical angle between the longitudinal a...
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The vertical angle between the longitudinal axis of a suspended magnetic needle and the horizontal line is referred as:
- a)Azimuth
- b)Declination
- c)Dip
- d)Bearing
Correct answer is option 'C'. Can you explain this answer?
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The vertical angle between the longitudinal axis of a suspended magnet...
Explanation:
Dip:
- The vertical angle between the longitudinal axis of a suspended magnetic needle and the horizontal line is referred to as "dip".
- It is an important parameter in compass surveying and navigation.
Azimuth, Declination, and Bearing:
- Azimuth refers to the angle measured clockwise from the north direction.
- Declination is the angle between the magnetic north and true north.
- Bearing is the direction or angle of a line measured in degrees from the north or south, east or west.
Significance of Dip:
- Dip is crucial in determining the accuracy of magnetic compass readings.
- It helps in accounting for the inclination of the magnetic field at a specific location.
- By considering dip, corrections can be made to ensure precise navigation and surveying.
Practical Applications:
- In compass surveying, dip correction is applied to ensure accurate measurements.
- Navigational instruments like gyrocompasses use dip correction to provide correct heading information.
- Understanding dip is essential for mining operations, where accurate compass readings are necessary for tunneling and exploration.
In conclusion, dip plays a significant role in compass-related activities by accounting for the vertical angle of a magnetic needle relative to the horizontal line. It is essential for ensuring accurate readings and navigation in various fields.
Dip:
- The vertical angle between the longitudinal axis of a suspended magnetic needle and the horizontal line is referred to as "dip".
- It is an important parameter in compass surveying and navigation.
Azimuth, Declination, and Bearing:
- Azimuth refers to the angle measured clockwise from the north direction.
- Declination is the angle between the magnetic north and true north.
- Bearing is the direction or angle of a line measured in degrees from the north or south, east or west.
Significance of Dip:
- Dip is crucial in determining the accuracy of magnetic compass readings.
- It helps in accounting for the inclination of the magnetic field at a specific location.
- By considering dip, corrections can be made to ensure precise navigation and surveying.
Practical Applications:
- In compass surveying, dip correction is applied to ensure accurate measurements.
- Navigational instruments like gyrocompasses use dip correction to provide correct heading information.
- Understanding dip is essential for mining operations, where accurate compass readings are necessary for tunneling and exploration.
In conclusion, dip plays a significant role in compass-related activities by accounting for the vertical angle of a magnetic needle relative to the horizontal line. It is essential for ensuring accurate readings and navigation in various fields.
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Community Answer
The vertical angle between the longitudinal axis of a suspended magnet...
Dip
- It is the inclination of the magnetic needle with the horizontal. The dip is zero at the equator and the needle will remain horizontal.
- At a place near 70° north latitude and 96° west longitude, the dip will be 90°. This area is called the magnetic north pole. Similarly, near the south magnetic pole, the dip is 90°.
Declination
- It is the angle between the magnetic and geographic meridians or the angle in the horizontal plane between magnetic north and true north.
Different magnetic lines are as follows
Important Points
Isobar or pressure bulb
It is a stress contour or a line that connects all points below the ground surface at which the vertical pressure is the same.
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The vertical angle between the longitudinal axis of a suspended magnetic needle and the horizontal line is referred as:a)Azimuthb)Declinationc)Dipd)BearingCorrect answer is option 'C'. Can you explain this answer?
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