Find out the deflection angles from the following observations Lines AB BC Bearing N 42° 20' E N 30° 00'E 72°20'R O 12°20'L O 12°20'R O 72°20'L O 72°40'L O

Q: ROD READING INSTRUMENT MIDWAY INSTRUMENT SET-UP NEAR B BETWEEN A AND B A 2.07 m 3.43 m B 0.23 m 1.65…

A: Let us take a = 2.07m, b = 0.23m, c = 3.43m, d = 1.65m  Solution:-  A. True Difference in Elevation…

Q: In the two-peg of a dummy level, the following observation are taken. INSTRUMENT SET UP NEAR…

A:

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

A:

Q: In a 3-wire Leveling, the mean reading for the backsights or foresights is computed as: sum of the…

A: To compute the determination of three wire reading from the following.

Q: The following Bearing taken on a closed compass. LINE FORWARD BEARING BACKWARD BEARING АВ S37°30'E…

A: Sketch of the closed traverse Find Interior angles ∠A = Forward bearing of AB + Back bearing of…

Q: Q4A) Compute only the most probable value of the horizontal angle to the right < CBA. Theodolite…

A: To find :

Q: H.W2.1 Q1- The deflection angles of closed loop traverse ABCDEF where measured as showing below A…

A:

Q: Two points, A and B, are 3143.50 meters apart. From a Third Point , C, an instrument is set up on…

A: The elevation difference between the points is calculated by the following equation  tanθ=hd where…

Q: Two hills A and B, 90 km apart, has elevations of 60m and 200m, respectively. What would be the…

A: Given: Two hills A and B, 90 km apart, has elevations of 60m and 200m, respectively. To determine:…

Q: The following data were obtained by stadia observation: vertical angle, +12°30'; upper stadia hair…

A:

Q: 1) What is the interior angle at Point A ? 2)What is the deflection angle at Point B? Note:hand…

A: Fig is given line AB angle is line BC angle is FIND1) What is the interior angle at Point A ?2)What…

Q: Line Ав вс со DE EF FA Azimuth/Bearing Distance (m) 237° 29' 69.46 327° 29' 571° 33' W 118 04 215°…

A:

Q: A dumpy level is setup at one end of a line 120m long for the purpose of determining the…

A: Procedure :1. Write down the instrument number which are you are presently using.2. Set up and level…

Q: The correction for refraction as applied to staff reading is 1 d? (a) + 1 d (b) 7 2R 2R (c) + R (d)…

A:

Q: TRIGONOMETRIC LEVELING. A vertical angle of -12°25’ is measured to the top of a water tank from an…

A: determine the elevation of the base of the water tank

Q: S= 134.267m RR=64.267 A 551 -25°42' C S=234.2 67 m RR= 34.267 m B Elev. =1534.267 m

A:

Q: (8) A tacheometer and the following staff vertically held was set up at a station C readings were…

A:

Q: Stadia observation yielded the following results: vertical angle, +13°20': top stadia hair reading,…

A: K=99.5 C=0.381m To find difference in elevation between the ground points

Q: A transit is set up at a point B which is between A and C. The vertical angle observed towards A is…

A: Given That AB = 642.80m,  θBA=-20° BC = 1032.40m,  θBC=12° Elevation at point A = 146m   Difference…

Q: Any surveying instrument may be employed in stadia leveling as long as it can be used to measure…

A: To determine in any surveying,stadia levelling is equipped with-

Q: 3.44 Solve for CD, HD, and HG. A 60° B 10⁰ I C 10¹ 41. H 2K 10' 6 E 4K ANERKENA 10¹ F

A: Given Data  Find the forces in member CD, HD and HG.

Q: Stadia observation yielded the following results: vertical angle, +13°20': top stadia hair reading,…

A: Using tacheometer formulafor horizontal distanceD=kscos2θ+Ccosθfor vertical…

Q: Three hills A, B and C are at elevation 135m, 146m, and 154m respectively above sea level. Distance…

A: The given data is: Elevation of hill A (hA) = 135 m Elevation of hill B (hB) = 146 m Elevation of…

Q: A tacheometer was setup at station P and observations were taken on a staff held at Q and R.…

A: Given data,

Q: STA STA DISTANCE DEFLECTION ANGLE OC OBS (m) 64°49' (L) 90°17' (L) 70°39' (L) 101º58' (L) A 475.48 m…

A:

Q: The deflection angles of two intermediate points A and B on a highway curve are 4015' and 9015'…

A: Here a horizontal curve is used. The deflection angle is the angle by which the back tangent get…

Q: 2.) The length intercepted on a stadia rod is 1.80 m. the stadia constant is 0.30 m and the stadia…

A: Tachometry is a special type of theodolite fitted with the diaphragm which includes additional hairs…

Q: hand written plz Horizontal Curve data STAPI= 98+47.30 R = 1000.00 A=19° 20'00" What is the…

A:

Q: The top of a tower signal at B 2000 m from A away was sighted through a transit with recorded…

A:

Q: The top of a tower signal at B, 2,000 m from A away was sighted through a transit with recorded…

A: Given data: Distance between A and B=2000m Vertical angle=2degrees30 minutes Height of instrument…

Q: 4. Given: PI @ 10+71.78, Delta = 36° 10' 30", to the right, Radius = 1150 feet. Compute the…

A:

Q: A lot is in the form of a regular Hexagon. If the magnetic deflection when they measured side EF is…

A:

Q: 3- Compute azimuth angels of (BC) and (CD). (AB)=132®.1714 ß1=1438.4121 B2=216°.0089 (BC)=? (CD)=?

A: It is required to find azimuth angle of BC and CD.

Q: An internal focusing telescope 1.56m high with stadia interval of 100 factor was set up at O,…

A: For measuring both horizontal distance and vertical elevation of the point the tachometer is also…

Q: The two-peg test is used to determine if the line of sight of the telescope is parallel to the axis…

A: ROD READING INSTRUMENT AT POSITION 1 INSTRUMENT AT POSITION 2 A 1.969 m 1.554 B 2.161m 1.728

Q: What error would be introduced if the measured horizontal angle through non adjustment? the…

A: Case 1: Inclination of Horizontal Axis=05' Inclination of both sights = 45 degrees. Error that will…

Q: The top of the tower signal at B, 2000m away from A was sighted through a transit with a recorded…

A: Height of tower=12 mH.I at A=1.1 mAngle at A=3°30'1 Elevation Difference Between A and B .…

Q: From the figure shown, what is the deflection angle at station B? 42 A 63° 105°R 75°R 105°L 75°L B.

A: To find the deflection angle at station B-

Q: 3. Given the respective reading from an internally focused instrument from a stadia rod are as…

A:

Q: In the two-peg of a dummy level, the following observation are taken.   Rod Reading on A Rod…

A:

Q: Compute the adjusted deflection angle at station D as shown.

A: Solution: The given table: Station Deflection Angle A 30°26'00''L B 66°02'30'' L C…

Q: A line of levels is run from BM1 to BM2 that is 9 km long. Elevation of BM1 and BM2 was found out to…

A: Answer  We are given distance between BM1 and BM2 = 9 Km Elevation of BM1 = 128.55 m Elevation of…

Q: A line level was run from BM1 to BM2, 8 km apart. The average backsight and foresight distances were…

A:

Q: a) In the process of taking a rod reading, one can eliminate parallax mathematically. Parallax is…

A: (a) False The parallax can be eliminated by two steps, they are Focusing the eyepiece, and Focusing…

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.