While measuring a chain line between two stations and intervened by a raised ground
(A) Vision gets obstructed
(B) Chaining gets obstructed
(C) Both vision and chaining get obstructed
(D) All the above

1 Answer

Answer :

(A) Vision gets obstructed

Related questions

Description : Pick up the correct statement from the following: (A) With both handles in his left hand, the chain man throws out the chain with his right hand and the second chain man assists him to free it from ... the two chain men meet and the ten arrows are handed over to the leader (D) All the above

Last Answer : (D) All the above

Description : Two hill tops and 20 km apart are intervened by a third top . If the top most contour of the three hill tops are of the same value, state whether the line of sight AB (A) Passes clear of hill top C (B) Passes below the hill top C (C) Grazes the hill top C (D) None of these

Last Answer : (B) Passes below the hill top C

Description : Which of the following methods of theodolite traversing is suitable for locating the details which are far away from transit stations? (A) Measuring angle and distance from one transit station (B) ... at one station and distance from other (D) Measuring distance from two points on traverse line

Last Answer : (B) Measuring angles to the point from at least two stations

Description : The chaining on sloping ground is (A) Easier along the falling gradient (B) Easier along the up gradient (C) Equally convenient along falling as well as up gradient (D) All the above

Last Answer : (A) Easier along the falling gradient

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Last Answer : A

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Description : While measuring the distance between two points along upgrade with the help of a 20 m chain, the forward end of the chain is shifted forward through a distance (A) 20 (sin - 1) (B) 20 (cos - 1) (C) 20 (sec - 1) (D) 20 (cosec - 1)

Last Answer : (C) 20 (sec - 1)

Description : A 20m chain was found to be 6cm too long after chaining a distance of 1059m. It was found to be 9cm too short after chaining at the end 1985m. If the chain was correct before commencement of work find the true distance.

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Description : A 20 m chain was found to be 10 cm too short after chaining 1000 m It was found to be 20 cm too short after chaining 1800 m. If the chain was correct before commencement of the work find the true distance.  

Last Answer : Average error in chain for 1000 m length = (0 + 10) / 2 = 5 cm = 0.05 m too short True length up to 1000 m = (20 - 0.05) x 1000 / 20 = 997.5 m. Average error in chain from 1000 m to 1800 m length = (10 ... 1800 m length = (20 - 0.15) x 800 / 20 = 794.0 m. True distance = 997.5 + 794 = 1791.5 m.

Description : Describe method of measuring distances on ground using chain and arrows.

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Description : If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping (A) It is possible to set offsets correctly on east side (B) It is possible to ... possible to set offsets correctly on west side (D) It is possible to set offsets correctly on both sides

Last Answer : (D) It is possible to set offsets correctly on both sides

Description : Describe stepping method of chaining on sloping ground.

Last Answer : 1. If A and B are the two points on sloping ground, for which horizontal distance is to be measured. 2. Unfold the chain. By touching handle to station A, stretch it up to maximum possible ... 6. Thus total horizontal distance on sloping ground is calculated as d(AB) = L1+L2+L3 in meters.

Description : Explain Direct method of chaining on sloping ground with neat skeetch. 

Last Answer : While chaining on sloping ground, the horizontal distances can be computed by direct method i.e. By stepping. By stepping: It consist in measuring the distance in small horizontal lengths (e.g.L1). Let ... is continued in the correct line with point B. Then length of line AB=L1 +L2 +L3+L4

Description : Explain with neat sketch method of stepping of chaining on sloping ground.

Last Answer : Procedure : To measure the horizontal distance between points A & B on sloping ground following steps should be followed ( Refer above figure.) 1. Starting from point A, the chain is unfolded and ... . Finally calculate total chained distance as d(AB) = d(AP1) + d(P2P3) + d(P4P5)

Description : Explain the process of chaining on sloping ground by stepping method with neat sketch.

Last Answer : The procedure to measure horizontal distance between the points A and B on sloping ground is as follows. 1. Two persons-leader and follower are required for chaining. 2. The follower holds the end of chain at A. The leader goes ... between A and b L = AM, + MN' + NO' + OP' + PQ' + QB'

Description : Describe in brief process of chaining on sloping ground.

Last Answer : In direct method which is also known as stepping method horizontal distance is directly measured as shown in fig. Horizontal distance between A and B is required to be measured. Procedure: i) A ... iii) The next step start from the C and the method is continued till point B reached. 

Description : A male patient 30 years old with visual acuity of 6/6 in both eyes. Twelve hours ago he presented with drop of vision of the left eye. On examination, visual acuity was 6/6 in the ... : a. Raised intra cranial pressure b. Raised ocular tension c. Central retinal artery occlusion d. Optic neuritis

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