1. Assume the magnetic bearing of line AB read in 1878 was N26°15′E. The declination at the time and place was 7°15′W. In 2000, the declination was 4°30′E. Determine the magnetic bearing in 2000

Q: At year 1810 the magnetic deflection was 07◦ 60’E the bearing angles of lines AB, BC, CD, DE and EF…

A: In some parts of the world, the compass doesn't work or give correct reading for geographical north,…

Q: Magnetic Magnetic Magnetic Declination Declination Bearing in 1905 in 1905 today S 46° 12 " W 5°52'…

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Q: the bearing of line in 1975 was found to be N 19°09`W. in 2003, it was found out that at the said…

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Q: The following observations were taken in reciprocal levelling. Staff reading at Instrument at A B A…

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Q: 10.5 An angle was measured at four different times with the following results: Day 1 2 3 4 is Angle…

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Q: A = 40°20'15", Weight = 3 2A = 80°40'30", Weight = 2 4A = 161°21'40", Weight = 1

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Q: langulation): Two stations B and C were observed from a theodolite set up at station A and following…

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Q: 1 attachment Vertical Stadia Hair Readings ROD/Point Angle Upper Middle Lower -25°15' 2.316 1.877…

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Q: ROD HAIR READINGS POSITION UPPER MIDDLE LOWER Rod held at A 1.327m 1.171m 1.011m Rod held at B…

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Q: Problem 1 To determine the distance between two points A and B, a tacheometer was set up at P and…

A: Given Data:Staff at Astaff readings= 2.225, 2.605, 2.985Staff at Bstaff readings = 1.640, 1.920,…

Q: A transit with stadia interval factor of 100.8 was set up at point C on the line between points A…

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Q: Given the data below, solve for the required unknowns. 1. Solve for the elevation at BM2 Station BS…

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Q: From the information given, determine the astronomic bearing and its magnetic bearing today

A: To determine astronomic bearing and magnetic bearing.   The astronomic bearing or true bearing…

Q: Given the data below of record from a theodolite stadia reading, determine the distance between the…

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Q: Rick and Morty, using the portal gun, travels back in time around 1890. Using a magnetic compass,…

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Q: n the true length of the line if the co-efficient of expansion is 65 × 10-7 per 1°F.

A: Given: 20 m long tape of standard length at 84 o F. Used at mean temperature of 65 o F Distance…

Q: Altransit with a stadia interval factor of 100.8 was set at C on the line between points A and B,…

A: Given: The stadia constant (C) is 0.381. The stadia interval factor (K) is 100.8.

Q: Problem 2 In a compass survey made 50 years ago the observed magnetic bearing of a reference line XY…

A: We will draw diagram for each case.

Q: The bearing of line in 1975 was found to be N 19°09' W. In 2003, it was found out that at the said…

A: Option (c) is correct. Using the fact that true bearing doesn't change over time. The MB can be…

Q: divergence W was 17° 30, the quarter-circular magnetic direction of a straight line was measured and…

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Q: Given are the interior angles of a heptagon. Determine the discrepancy for the givenobservation and…

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Q: a 10) The following observation were made using a tacheometer fitted with an anallatic lens, the…

A: Given:  Multiplicative constant(K)=100 Additive constant(C)=0   Instrument station  Height of…

Q: In determining the stadia interval factor (K) of a transit, a stadia rod was held vertically at…

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Q: SITUATION: From the given figure. TABLE GH 003 can be useful. Determine the settlement of the clay…

A: Answer Over burden pressure σo= 100 kpa Liquid limit LL = 60% Height of clay layer H=6 m distance…

Q: Magnetic Declination: 1. In a compass survey made twenty years ago the observed magnetic bearing of…

A: As per bartleby guidelines, only 1st question among multiple questions need to be solved. For rest…

Q: What is the elevation of point A in the below figure, if you know that the elevation of point B is…

A: The instrument is at point B Elevation of point B = 92.155 m The height of the instrument, hi = 1.54…

Q: Problem no. 2: The width of a river being observed is 75 m. Assuming the transit being used has an…

A: This problem is related to Surveying Engineering. In this problem Tacheometry surveying , Horizontal…

Q: Magnetic Declination: 1. In a compass survey made twenty years ago the observed magnetic bearing of…

A: Given data in question  Magnetic bearing  42°21` Magnetic Declination 6°25` and 10°35` To find out…

Q: A tacheometer is setup at station A and the staff is held vertical at a point B. The telescope…

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Q: In an old survey performed in 1965, a line AB had a magnetic bearing of S75o10’W when the magnetic…

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Q: In an old survey performed in 1965, a line AB had a magnetic bearing of S75°10'W when the magnetic…

A: The magnetic bearing of AB in 1987 should be??

Q: stadia

A: This question is from Surveying.

Q: Please compute for the magnetic bearing in the year 2021. If the magnetic declination in 1996 was…

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Q: Survey- The observed magnetic bearing of a line OE was found to be 185°. It was later discovered…

A: Observed MB=185o Local attraction=+1.5o Magnetic declination d=3.5o   It is needed to find the true…

Q: True bearing of station A when observed from station M was 210° and the magnetic bearing of A was…

A: Given data: True bearing of MA = 210o Magnetic bearing of MA = 238o Magnetic bearing of MN = 126o

Q: a. Two points A and B (distance =100m) were nominated at the field and Two points A and B (distance…

A: The staff readings at point A and point B are given in the above table.The leveling instrument is…

Q: The upper, middle and lower hair reading is 2.45 m, 1.86m, and 1.27 m respectively. Determine the…

A: Determine the horizontal distance from the instrument to the the observed point.

Q: Problem 2. The following tacheometric observations were made on two points P and Q from station A.…

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Q: 3) In 1925,the magnetic bearing of a line OA was N 15°45' w,the magnetic dedination at that time is…

A: Magnetic bearing and magnetic declination have been given for the year 1925 and it has been asked to…

Q: Find the angle o shown in below fig. with standard deviation if a = 64° 26 B=39°1 3' y= 27° 12"

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Control Survey and Geodetic reductions

Control surveys or survey controls are used to establish reference points as a basis for various construction activities. Vertical and horizontal control points are to be established in a control survey to increase accuracy. After establishing the control points, all other types of surveys such as topographic, right-of-way, aerial mapping, construction layout, boundary surveys, and utility mapping can be worked upon so that control networks can be formed. The place from which the observations are made is called a survey station.