## Fore Bearing and Back Bearing Surveying YouTube

Lab Report Compass Survey Compass Surveying. Back Propagation Algorithm for Bearing Fault Detection 26199 Fig. 6 Structure of Back Propagation Neural Network The BPA is a supervised learning and it is implemented by w eight upd ates, 14/11/2018 · As fore bearing and back bearing is differed by 180..

### Whole Circle Bearing to Reduced Bearing Conversion

Lab Report Compass Survey Compass Surveying. 24/12/2018 · bearing (plural bearings) A mechanical device that supports another part and/or reduces friction . ( navigation , nautical ) The horizontal angle between the direction of an object and another object, or between it and that of true north ; a heading or direction ., Azimuth Computation (Section 7.9) (don’t worry about bearing calcs in 7.10) For a closed polygon we often wish to determine the azimuths of line from the interior angles. Once we verify the sum of.

Bearing mistakes to avoid Chapter D20 Page 2 Contact Kalsi Engineering Search this handbook Figure 1 Inadequate thrust bearing support If heavily loaded, this thrust bearing may fail … A survey line may be viewed from both ends i.e. forwards or backwards To obtain back bearings from forward bearings (or vice versa) add or subtract 180°. Conversion of Angles to Bearings Forward bearing of any line = back bearing of the previous line + clockwise angle between the lines OR Forward bearing of any line = back bearing of the previous line – anti-clockwise angle between the lines

The magnetic bearing of the lines are measured by prismatic compass and the distances are measured with chain. Such survey does not involve the formation of a network of triangles. Compass surveying is not recommended for the areas where local attraction is suspected due to the presence of magnetic substances like steel structures, iron, electric cables conveying current, e.t.c. For more direction of survey lines is known as fore bearing or forward bearing Back Bearing (BB) The bearings measured in opposite to the progress of surveying i.e. in

13/10/2015 · Back Bearing - Fore Bearing = 180. I fully understood the concept of meridian and bearing But this thing is little confusing, as far as I know, Back Bearing - Fore Bearing should be 180, but I 24/12/2018 · bearing (plural bearings) A mechanical device that supports another part and/or reduces friction . ( navigation , nautical ) The horizontal angle between the direction of an object and another object, or between it and that of true north ; a heading or direction .

Azimuth Computation (Section 7.9) (don’t worry about bearing calcs in 7.10) For a closed polygon we often wish to determine the azimuths of line from the interior angles. Once we verify the sum of 8/08/2017 · Fore Bearing and Back bearing is explained with solved examples from previous year competitive exams like GATE, IES. Also, local attraction is explained which often is asked in exams. Part II will

(vi) Fore & Back bearing of each line should be taken to guard against the local attraction, if the compass cannot be set at the end of line, the bearings may be … back) and their values differ by 180° • Azimuth are referred to astronomic, magnetic, or assumed meridian • For example: the forward azimuth of line AB is 50° - the back azimuth or azimuth of BA is 230° North North. Meridians • There are three types of meridians Astronomic - direction determined from the shape of the earth and gravity; also called geodetic north Magnetic - direction

Bearing mistakes to avoid Chapter D20 Page 2 Contact Kalsi Engineering Search this handbook Figure 1 Inadequate thrust bearing support If heavily loaded, this thrust bearing may fail … 14/11/2018 · As fore bearing and back bearing is differed by 180.

Bearing Technology Whitepaper Key considerations for designers looking at bearing systems with linear axes The majority of electro-mechanical axis utilise extruded aluminium profile in a range of sizes with a single guide rail and bearing A survey line may be viewed from both ends i.e. forwards or backwards To obtain back bearings from forward bearings (or vice versa) add or subtract 180°. Conversion of Angles to Bearings Forward bearing of any line = back bearing of the previous line + clockwise angle between the lines OR Forward bearing of any line = back bearing of the previous line – anti-clockwise angle between the lines

To compute bearing loads, the forces which act on the shaft being supported by the bearing must be determined. Loads which act on the shaft and its related parts include dead load of the rotator, load produced when the machine performs work, and load produced by transmission of dynamic force. These can theoretically be mathematically calculated, but calculation is difficult in many cases. A Calculate azimuth and bearing of all lines for Azimuth of AB Az AB=315012’ 4.2.4 Deflection angle traverses This method of running traverses is widely employed than the other especially on open traverses. It is mostly common in location of routes, canals, roads, highways, pipe lines, etc. Successive traverse stations are occupied with a theodolite with horizontal circle set at zero and back

8/08/2017 · Fore Bearing and Back bearing is explained with solved examples from previous year competitive exams like GATE, IES. Also, local attraction is explained which often is asked in exams. Part II will • Back bearing = Fore bearing ± 1800 • (ii) Q.B. system The fore and back bearings are numerically equal but are in opposite directions, i.e. N is replaced by S or vice versa and E is replaced by W or vice versa. For example, if the

What is Compass Surveying? Iamcivilengineer. Azimuth Computation (Section 7.9) (don’t worry about bearing calcs in 7.10) For a closed polygon we often wish to determine the azimuths of line from the interior angles. Once we verify the sum of, 13/10/2015 · Back Bearing - Fore Bearing = 180. I fully understood the concept of meridian and bearing But this thing is little confusing, as far as I know, Back Bearing - Fore Bearing should be 180, but I.

### Whole Circle Bearing to Reduced Bearing Conversion

Residual life predictions for ball bearings based on self. Azimuth Computation (Section 7.9) (don’t worry about bearing calcs in 7.10) For a closed polygon we often wish to determine the azimuths of line from the interior angles. Once we verify the sum of, A bearing is an measurement of direction between two points.There are two types of bearing. W.C.B -Whole Circle Bearing or Azimuth Bearing; R.B - Reduced Bearing or Quadrant Bearing.

Fore Bearing and Back Bearing Surveying YouTube. 8/08/2017 · Fore Bearing and Back bearing is explained with solved examples from previous year competitive exams like GATE, IES. Also, local attraction is explained which often is asked in exams. Part II will, • Back bearing = Fore bearing ± 1800 • (ii) Q.B. system The fore and back bearings are numerically equal but are in opposite directions, i.e. N is replaced by S or vice versa and E is replaced by W or vice versa. For example, if the.

### back bearings=154В° then fore bearings=? Answers of Question

Bearing Technology Whitepaper Festo. Combinations of tandem arrangements with back-to-back or face-to-face arrangements are usually selected to maximize the stiffness or load carrying capacity of a bearing set in a particular direction. This is the case, for example, when extended, preloaded, vertical … https://en.m.wikipedia.org/wiki/Ball_bearing This page shows answers for question: back bearings=154° then fore bearings=?. Find right answer with solution and explaination of asked question. Rate and follow ….

We will refer to the true bearing simply as the bearing. For example, the bearing of point P is 065º which is the number of degrees in the angle measured in a clockwise direction from the north line to the line joining the centre of the compass at O with the point P (i.e. OP ). Bearings Worksheets Contents Compass Bearings Page 2 Add 3-figure bearings to a compass rose but after some time has to turn back to the airport it came from. On what bearing must it travel? 7) A ship sets sail on a bearing of 163 °. It then turns through an angle of 90 ° anticlockwise. What is the new bearing? Kenilworth Map Task Sheet Name(s): _____ You have been given a large map of

Biostratigraphy of the nummulitids and lepidocyclinids bearing Qom Formation based on larger benthic foraminifera (Sanandaj–Sirjan fore-arc basin and Central Iran back-arc basin, Iran) Bearing and distance The bearing (or azimuth) is the compass direction to travel from the starting point, and must be within the range 0 to 360. 0 represents north, 90 is east, 180 is south and 270 is west.

(vi) Fore & Back bearing of each line should be taken to guard against the local attraction, if the compass cannot be set at the end of line, the bearings may be … Fore Bearing: It is the bearing measured from the far end of a line. Back Bearing: It is the bearing measured from the rear end of a line. The difference between the Fore Bearing and the Back Bearing is …

Azimuth Computation (Section 7.9) (don’t worry about bearing calcs in 7.10) For a closed polygon we often wish to determine the azimuths of line from the interior angles. Once we verify the sum of Fore Bearing: It is the bearing measured from the far end of a line. Back Bearing: It is the bearing measured from the rear end of a line. The difference between the Fore Bearing and the Back Bearing is …

A prismatic compass is a navigation and surveying instrument which is extensively used to find out the bearing of the traversing and included angles between them, waypoints (an endpoint of … A bearing is an measurement of direction between two points.There are two types of bearing. W.C.B -Whole Circle Bearing or Azimuth Bearing; R.B - Reduced Bearing or Quadrant Bearing

A bearing is an measurement of direction between two points.There are two types of bearing. W.C.B -Whole Circle Bearing or Azimuth Bearing; R.B - Reduced Bearing or Quadrant Bearing Calculate azimuth and bearing of all lines for Azimuth of AB Az AB=315012’ 4.2.4 Deflection angle traverses This method of running traverses is widely employed than the other especially on open traverses. It is mostly common in location of routes, canals, roads, highways, pipe lines, etc. Successive traverse stations are occupied with a theodolite with horizontal circle set at zero and back

To compute bearing loads, the forces which act on the shaft being supported by the bearing must be determined. Loads which act on the shaft and its related parts include dead load of the rotator, load produced when the machine performs work, and load produced by transmission of dynamic force. These can theoretically be mathematically calculated, but calculation is difficult in many cases. A Bearing Technology Whitepaper Key considerations for designers looking at bearing systems with linear axes The majority of electro-mechanical axis utilise extruded aluminium profile in a range of sizes with a single guide rail and bearing

Azimuth Computation (Section 7.9) (don’t worry about bearing calcs in 7.10) For a closed polygon we often wish to determine the azimuths of line from the interior angles. Once we verify the sum of Calculate azimuth and bearing of all lines for Azimuth of AB Az AB=315012’ 4.2.4 Deflection angle traverses This method of running traverses is widely employed than the other especially on open traverses. It is mostly common in location of routes, canals, roads, highways, pipe lines, etc. Successive traverse stations are occupied with a theodolite with horizontal circle set at zero and back

fore maintenance free. The following important advantages of these sealed bearings have been con- firmed many times by manufacturers of machine tools and users alike : - ease of handling during assembly - no washing - no greasing - no danger of contamination during greasing or assembly - high level of cleanliness in the bearing - precondition for a long working life - the correct type and The life assessment and prediction research of the bearing is the most important content of the bearing long life and high reliable research. A novel remaining useful life prediction of bearing

## Survey I Practicals Surveying Compass

Bearing Define Bearing at Dictionary.com. 24/12/2018 · bearing (plural bearings) A mechanical device that supports another part and/or reduces friction . ( navigation , nautical ) The horizontal angle between the direction of an object and another object, or between it and that of true north ; a heading or direction ., Azimuth Computation (Section 7.9) (don’t worry about bearing calcs in 7.10) For a closed polygon we often wish to determine the azimuths of line from the interior angles. Once we verify the sum of.

### Residual life predictions for ball bearings based on self

e forwards or backwards To obtain back bearings from. Combinations of tandem arrangements with back-to-back or face-to-face arrangements are usually selected to maximize the stiffness or load carrying capacity of a bearing set in a particular direction. This is the case, for example, when extended, preloaded, vertical …, Calculate azimuth and bearing of all lines for Azimuth of AB Az AB=315012’ 4.2.4 Deflection angle traverses This method of running traverses is widely employed than the other especially on open traverses. It is mostly common in location of routes, canals, roads, highways, pipe lines, etc. Successive traverse stations are occupied with a theodolite with horizontal circle set at zero and back.

(vi) Fore & Back bearing of each line should be taken to guard against the local attraction, if the compass cannot be set at the end of line, the bearings may be … Fore or forward bearing (F.B) is the bearing of the respective line in the direction of progress of the survey. The bearing that is measured in the opposite direction of survey is called as the back bearing …

The life assessment and prediction research of the bearing is the most important content of the bearing long life and high reliable research. A novel remaining useful life prediction of bearing This page shows answers for question: back bearings=154° then fore bearings=?. Find right answer with solution and explaination of asked question. Rate and follow …

A survey line may be viewed from both ends i.e. forwards or backwards To obtain back bearings from forward bearings (or vice versa) add or subtract 180°. Conversion of Angles to Bearings Forward bearing of any line = back bearing of the previous line + clockwise angle between the lines OR Forward bearing of any line = back bearing of the previous line – anti-clockwise angle between the lines This page shows answers for question: back bearings=154° then fore bearings=?. Find right answer with solution and explaination of asked question. Rate and follow …

The magnetic bearing of the lines are measured by prismatic compass and the distances are measured with chain. Such survey does not involve the formation of a network of triangles. Compass surveying is not recommended for the areas where local attraction is suspected due to the presence of magnetic substances like steel structures, iron, electric cables conveying current, e.t.c. For more This page shows answers for question: back bearings=154° then fore bearings=?. Find right answer with solution and explaination of asked question. Rate and follow …

direction of survey lines is known as fore bearing or forward bearing Back Bearing (BB) The bearings measured in opposite to the progress of surveying i.e. in Fore Bearing: It is the bearing measured from the far end of a line. Back Bearing: It is the bearing measured from the rear end of a line. The difference between the Fore Bearing and the Back Bearing is …

Fore or forward bearing (F.B) is the bearing of the respective line in the direction of progress of the survey. The bearing that is measured in the opposite direction of survey is called as the back bearing … To compute bearing loads, the forces which act on the shaft being supported by the bearing must be determined. Loads which act on the shaft and its related parts include dead load of the rotator, load produced when the machine performs work, and load produced by transmission of dynamic force. These can theoretically be mathematically calculated, but calculation is difficult in many cases. A

Needle Roller Bearings Roller Bearings Products NSK . Needle roller bearings are a bearing that is classified as either radial or thrust depending on the direction of the load being supported. Fore or forward bearing (F.B) is the bearing of the respective line in the direction of progress of the survey. The bearing that is measured in the opposite direction of survey is called as the back bearing …

This page shows answers for question: back bearings=154° then fore bearings=?. Find right answer with solution and explaination of asked question. Rate and follow … 8/08/2017 · Fore Bearing and Back bearing is explained with solved examples from previous year competitive exams like GATE, IES. Also, local attraction is explained which often is asked in exams. Part II will

Back Propagation Algorithm for Bearing Fault Detection 26199 Fig. 6 Structure of Back Propagation Neural Network The BPA is a supervised learning and it is implemented by w eight upd ates 14/11/2018 · As fore bearing and back bearing is differed by 180.

Fore or forward bearing (F.B) is the bearing of the respective line in the direction of progress of the survey. The bearing that is measured in the opposite direction of survey is called as the back bearing … direction of survey lines is known as fore bearing or forward bearing Back Bearing (BB) The bearings measured in opposite to the progress of surveying i.e. in

14/11/2018 · As fore bearing and back bearing is differed by 180. The magnetic bearing of the lines are measured by prismatic compass and the distances are measured with chain. Such survey does not involve the formation of a network of triangles. Compass surveying is not recommended for the areas where local attraction is suspected due to the presence of magnetic substances like steel structures, iron, electric cables conveying current, e.t.c. For more

(vi) Fore & Back bearing of each line should be taken to guard against the local attraction, if the compass cannot be set at the end of line, the bearings may be … direction of survey lines is known as fore bearing or forward bearing Back Bearing (BB) The bearings measured in opposite to the progress of surveying i.e. in

A prismatic compass is a navigation and surveying instrument which is extensively used to find out the bearing of the traversing and included angles between them, waypoints (an endpoint of … The life assessment and prediction research of the bearing is the most important content of the bearing long life and high reliable research. A novel remaining useful life prediction of bearing

8/08/2017 · Fore Bearing and Back bearing is explained with solved examples from previous year competitive exams like GATE, IES. Also, local attraction is explained which often is asked in exams. Part II will Combinations of tandem arrangements with back-to-back or face-to-face arrangements are usually selected to maximize the stiffness or load carrying capacity of a bearing set in a particular direction. This is the case, for example, when extended, preloaded, vertical …

• Back bearing = Fore bearing ± 1800 • (ii) Q.B. system The fore and back bearings are numerically equal but are in opposite directions, i.e. N is replaced by S or vice versa and E is replaced by W or vice versa. For example, if the To compute bearing loads, the forces which act on the shaft being supported by the bearing must be determined. Loads which act on the shaft and its related parts include dead load of the rotator, load produced when the machine performs work, and load produced by transmission of dynamic force. These can theoretically be mathematically calculated, but calculation is difficult in many cases. A

We will refer to the true bearing simply as the bearing. For example, the bearing of point P is 065º which is the number of degrees in the angle measured in a clockwise direction from the north line to the line joining the centre of the compass at O with the point P (i.e. OP ). 8.8 Ring and Pinion Installation INSTRUCTION SHEET NO PART OF THIS DOCUMENT MAY BE REPRODUCED WITHOUT PRIOR AGREEMENT AND WRITTEN PERMISSION OF FORD RACING PERFORMANCE PARTS Techline 1-800-367-3788 Page 1 of 31 IS-1850-0239 Factory Ford shop manuals are available from Helm Publications, 1 -800 -782 -4356 Please contact the Techline for the …

### What is Compass Surveying? Iamcivilengineer

Bearing Define Bearing at Dictionary.com. The life assessment and prediction research of the bearing is the most important content of the bearing long life and high reliable research. A novel remaining useful life prediction of bearing, Bearing and distance The bearing (or azimuth) is the compass direction to travel from the starting point, and must be within the range 0 to 360. 0 represents north, 90 is east, 180 is south and 270 is west..

### Bearing mistakes to avoid (Kalsi Seals Handbook Chapter D17)

e forwards or backwards To obtain back bearings from. Biostratigraphy of the nummulitids and lepidocyclinids bearing Qom Formation based on larger benthic foraminifera (Sanandaj–Sirjan fore-arc basin and Central Iran back-arc basin, Iran) https://en.m.wikipedia.org/wiki/Ball_bearing Bearing and distance The bearing (or azimuth) is the compass direction to travel from the starting point, and must be within the range 0 to 360. 0 represents north, 90 is east, 180 is south and 270 is west..

• What is Compass Surveying? Iamcivilengineer
• Converting the Reduced Bearing into Whole Circle Bearing

• Combinations of tandem arrangements with back-to-back or face-to-face arrangements are usually selected to maximize the stiffness or load carrying capacity of a bearing set in a particular direction. This is the case, for example, when extended, preloaded, vertical … A bearing is an measurement of direction between two points.There are two types of bearing. W.C.B -Whole Circle Bearing or Azimuth Bearing; R.B - Reduced Bearing or Quadrant Bearing

This page shows answers for question: back bearings=154° then fore bearings=?. Find right answer with solution and explaination of asked question. Rate and follow … Appendices: . that is the back bearing. we can conclude that the fore bearing is when we take a level at the site in forward direction. Engineering survey laboratory manual [ECG 2013 L]. while the back bearing is the opposite to back bearing. Engineering survey [ECG 2013 ] note books. Can the students be able to use and set up the apparatus needed in this experiment correctly? Did the students

To compute bearing loads, the forces which act on the shaft being supported by the bearing must be determined. Loads which act on the shaft and its related parts include dead load of the rotator, load produced when the machine performs work, and load produced by transmission of dynamic force. These can theoretically be mathematically calculated, but calculation is difficult in many cases. A To compute bearing loads, the forces which act on the shaft being supported by the bearing must be determined. Loads which act on the shaft and its related parts include dead load of the rotator, load produced when the machine performs work, and load produced by transmission of dynamic force. These can theoretically be mathematically calculated, but calculation is difficult in many cases. A

24/12/2018 · bearing (plural bearings) A mechanical device that supports another part and/or reduces friction . ( navigation , nautical ) The horizontal angle between the direction of an object and another object, or between it and that of true north ; a heading or direction . Fore or forward bearing (F.B) is the bearing of the respective line in the direction of progress of the survey. The bearing that is measured in the opposite direction of survey is called as the back bearing …

Take the new fore-end and holding it with the muzzle end against the foresight block band rotate the fore-end back and down onto the body against the front … 8/08/2017 · Fore Bearing and Back bearing is explained with solved examples from previous year competitive exams like GATE, IES. Also, local attraction is explained which often is asked in exams. Part II will

Fore Bearing: It is the bearing measured from the far end of a line. Back Bearing: It is the bearing measured from the rear end of a line. The difference between the Fore Bearing and the Back Bearing is … 8/08/2017 · Fore Bearing and Back bearing is explained with solved examples from previous year competitive exams like GATE, IES. Also, local attraction is explained which often is asked in exams. Part II will

To compute bearing loads, the forces which act on the shaft being supported by the bearing must be determined. Loads which act on the shaft and its related parts include dead load of the rotator, load produced when the machine performs work, and load produced by transmission of dynamic force. These can theoretically be mathematically calculated, but calculation is difficult in many cases. A Bearing and distance The bearing (or azimuth) is the compass direction to travel from the starting point, and must be within the range 0 to 360. 0 represents north, 90 is east, 180 is south and 270 is west.

Back Propagation Algorithm for Bearing Fault Detection 26199 Fig. 6 Structure of Back Propagation Neural Network The BPA is a supervised learning and it is implemented by w eight upd ates • Back bearing = Fore bearing ± 1800 • (ii) Q.B. system The fore and back bearings are numerically equal but are in opposite directions, i.e. N is replaced by S or vice versa and E is replaced by W or vice versa. For example, if the

13/10/2015 · Back Bearing - Fore Bearing = 180. I fully understood the concept of meridian and bearing But this thing is little confusing, as far as I know, Back Bearing - Fore Bearing should be 180, but I Appendices: . that is the back bearing. we can conclude that the fore bearing is when we take a level at the site in forward direction. Engineering survey laboratory manual [ECG 2013 L]. while the back bearing is the opposite to back bearing. Engineering survey [ECG 2013 ] note books. Can the students be able to use and set up the apparatus needed in this experiment correctly? Did the students

This page shows answers for question: back bearings=154° then fore bearings=?. Find right answer with solution and explaination of asked question. Rate and follow … Needle Roller Bearings Roller Bearings Products NSK . Needle roller bearings are a bearing that is classified as either radial or thrust depending on the direction of the load being supported.

A bearing is an measurement of direction between two points.There are two types of bearing. W.C.B -Whole Circle Bearing or Azimuth Bearing; R.B - Reduced Bearing or Quadrant Bearing A prismatic compass is a navigation and surveying instrument which is extensively used to find out the bearing of the traversing and included angles between them, waypoints (an endpoint of …

Bearing and distance The bearing (or azimuth) is the compass direction to travel from the starting point, and must be within the range 0 to 360. 0 represents north, 90 is east, 180 is south and 270 is west. 13/10/2015 · Back Bearing - Fore Bearing = 180. I fully understood the concept of meridian and bearing But this thing is little confusing, as far as I know, Back Bearing - Fore Bearing should be 180, but I

Bearings Worksheets Contents Compass Bearings Page 2 Add 3-figure bearings to a compass rose but after some time has to turn back to the airport it came from. On what bearing must it travel? 7) A ship sets sail on a bearing of 163 °. It then turns through an angle of 90 ° anticlockwise. What is the new bearing? Kenilworth Map Task Sheet Name(s): _____ You have been given a large map of SPECIAL BEARINGS are available for the chain and mast guide, steel mill, rear wheel and pinion applications. Other bearings can be engineered for special requirements. THE MAX-PAK OR W-60000 SERIES is designed

Biostratigraphy of the nummulitids and lepidocyclinids bearing Qom Formation based on larger benthic foraminifera (Sanandaj–Sirjan fore-arc basin and Central Iran back-arc basin, Iran) Trigonometric bearing problem. Ask Question 1. 1. I have two trigonometric problems that I solved, however it does not match the answer in the book: 1) A yacht crosses the start line of a race on a bearing of \$31\$ degrees. After \$4.3\$ km, it rounds a buoy and sails on a bearing of \$346\$ degrees. When it is due north of its start, how far has it sailed altogether. I calculated the answer to be

8/08/2017 · Fore Bearing and Back bearing is explained with solved examples from previous year competitive exams like GATE, IES. Also, local attraction is explained which often is asked in exams. Part II will Bearing Technology Whitepaper Key considerations for designers looking at bearing systems with linear axes The majority of electro-mechanical axis utilise extruded aluminium profile in a range of sizes with a single guide rail and bearing

SPECIAL BEARINGS are available for the chain and mast guide, steel mill, rear wheel and pinion applications. Other bearings can be engineered for special requirements. THE MAX-PAK OR W-60000 SERIES is designed direction of survey lines is known as fore bearing or forward bearing Back Bearing (BB) The bearings measured in opposite to the progress of surveying i.e. in

To compute bearing loads, the forces which act on the shaft being supported by the bearing must be determined. Loads which act on the shaft and its related parts include dead load of the rotator, load produced when the machine performs work, and load produced by transmission of dynamic force. These can theoretically be mathematically calculated, but calculation is difficult in many cases. A A survey line may be viewed from both ends i.e. forwards or backwards To obtain back bearings from forward bearings (or vice versa) add or subtract 180°. Conversion of Angles to Bearings Forward bearing of any line = back bearing of the previous line + clockwise angle between the lines OR Forward bearing of any line = back bearing of the previous line – anti-clockwise angle between the lines

direction of survey lines is known as fore bearing or forward bearing Back Bearing (BB) The bearings measured in opposite to the progress of surveying i.e. in direction of survey lines is known as fore bearing or forward bearing Back Bearing (BB) The bearings measured in opposite to the progress of surveying i.e. in

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