Description : The rise and fall method of reduction of levels, provides a check on (A) Back sights (B) Fore sights (C) Intermediate sights (D) All of these
Last Answer : (D) All of these
Description : The total change in level along the line is equal to total back sights (A) Minus total fore sights (B) The total rises minus total falls (C) The reduced level of last point minus reduced level of the first point (D) All the above
Last Answer : (D) All the above
Description : Compare collimation plane method and rise and fall method of reduction of levels.
Last Answer : The comparison between collimation plane method and Rise and fall method is given below. Collimation plane method Rise and Fall method 1 1. It is rapid method as it involves few calculations. ... Arithmetic check in this method is ΣBS - ΣFS = ΣRise - ΣFall = Last RL - First RL
Description : A level when set up 25 m from peg A and 50 m from peg B reads 2.847 on a staff held on A and 3.462 on a staff held on B, keeping bubble at its centre while reading. If the reduced levels of A and B are 283.665 m ... collimation error per 100 m is (A) 0.015 m (B) 0.030 m (C) 0.045 m (D) 0.060 m
Last Answer : (D) 0.060 m
Description : Define- 1. Whole circle bearing 2. Reduced bearing 3. Fore bearing 4. Back bearing
Last Answer : 1.Whole circle bearing- The bearing measures only in the clockwise direction from meridian or north direction is known as whole circle bearing. 2.Reduced bearing The bearing measures with ... bearing The bearing observed in the direction of opposite of survey is called fore bearing.
Description : Exposure of the patient to ionising radiation when taking a radiograph is NOT REDUCED by: A. The use of fast film B. The addition of filtration C. Collimation of the beam D. The use of an open and lead lined cone E. Decreasing the kilovoltage KvP
Last Answer : E. Decreasing the kilovoltage KvP
Description : Back bearing of a line is equal to (A) Fore bearing ± 90° (B) Fore bearing ± 180° (C) Fore bearing ± 360° (D) Fore bearing ± 270°
Last Answer : (B) Fore bearing ± 180°
Description : In levelling operation, (A) The first sight on any change point is a back sight (B) The second sight on any change point is a fore sight (C) The line commences with a fore sight and closes with a back sight (D) The line commences with a back sight and closes with a foresight
Last Answer : (D) The line commences with a back sight and closes with a foresight
Description : While rotating the theodolite in the horizontal plane, the bubble of the bubble tube takes up the same position in its tube, it indicates (A) The rotation axis is vertical (B) The trunnion ... (C) The line of collimation is perpendicular to vertical axis (D) None of the above
Last Answer : (A) The rotation axis is vertical
Description : In reciprocal levelling, the error which is not completely eliminated, is due to (A) Earth's curvature (B) Non-adjustment of line of collimation (C) Refraction (D) Non-adjustment of the bubble tube
Last Answer : (C) Refraction
Description : A theodolite is said to be in perfect adjustment if (A) Rotation axis is vertical to the transit axis (B) Transit axis is perpendicular to line of collimation (C) Line of collimation sweeps out a vertical plane while the telescope is elevated or depressed (D) All the above
Description : In an adjusted level, when the bubble is central, the axis of the bubble tube becomes parallel to (A) Line of sight (B) Line of collimation (C) Axis of the telescope (D) None of these
Last Answer : (A) Line of sight
Description : When the bubble of the level tube of a level, remains central (A) Line of sight is horizontal (B) Axis of the telescope is horizontal (C) Line of collimation is horizontal (D) Geometrical axis of the telescope is horizontal
Last Answer : (A) Line of sight is horizontal
Description : A clinometer is used for (A) Measuring angle of slope (B) Correcting line of collimation (C) Setting out right angles (D) Defining natural features
Last Answer : (A) Measuring angle of slope
Description : The imaginary line passing through the intersection of cross hairs and the optical centre of the objective, is known as (A) Line of sight (B) Line of collimation (C) Axis of the telescope (D) None of these
Last Answer : (B) Line of collimation
Description : Accurate measurement of deflection angles with a transit not properly adjusted may be made by (A) Setting the Vernier A at zero at back station and then plunging the telescope (B) Setting the ... back sights one with the telescope normal and the other with telescope inverted (D) None of these
Last Answer : (C) Taking two back sights one with the telescope normal and the other with telescope inverted
Description : Define the terms i) Fore Bearing, ii) Open traverse, iii) Closing error, iv) Reduced bearing
Last Answer : i) Fore bearing : The bearing observed in the direction of progress of survey in clockwise manner is called fore bearing ii) Open traverse : When the first and last survey lines does ... north or south direction in clockwise or anticlockwise manner is known as reduced or quadrantal bearing.
Description : If the plane table is not horizontal in a direction at right angles to the alidade, the line of sight is parallel to the fiducial edge only for (A) Horizontal sights (B) Inclined sights upward (C) Inclined sight downward (D) None of these
Last Answer : (A) Horizontal sights
Description : Pick up the correct statement from the following: (A) The lines of sight while observing back sight and fore sight lie in the same horizontal plane (B) The staff readings are measurements made ... readings are taken, coincides with the level surface through the telescope axis (D) All the above
Description : Pick up the correct statement from the following: (A) An observation or the resulting reading with the level on a levelling staff is called sight (B) A back sight is the first sight taken after setting up ... position (C) The first sight on each change point is a fore sight (D) All the above
Description : There are two stations A and B. Which of the following statements is correct? (A) The fore bearing of AB is AB (B) The back bearing of AB is BA (C) The fore and back bearings of AB differ by 180° (D) All the above
Description : Differentiate between plane of collimation and rise and fall method.
Last Answer : S.N Rise and fall method Plane of collimation 1 It is slow and more tedious. It is more rapid and less tedious 2 It is laborious as it involves more calculations. It is simple ... .S.-ΣF.S=ΣRise-Σfall =Last RL-First RL Arithmetical check ΣB.S.- ΣF.S=Last RL-First RL
Description : Define ‘ Fore bearing ’ & ‘ back bearing ’ of line with a neat sketch
Last Answer : Fore bearing : The bearing of line observed in the direction of progress of survey is called fore bearing of the line. Bearing of line AB is observed at A' towards B' is called as fore bearing of the line ... The bearing observed at B' towards A' is called as back bearing of the line AB'
Description : After subsiding a disturbance in the class room, the teacher's main concern should be Options: A) To punish all offenders and there by fore shall the recurrence of unacceptable behaviour B) To know ... a means of reducing tension D) To enlist group censure as a means of curbing future misbehaviour
Last Answer : B) To know the cause of the misbehaviour
Description : A dumpy level was set up at the midpoint between two pegs A and B, 50 m apart and the staff readings at and were 1.22 and 1.06. With the level set up at , the readings at and were 1.55 and ... upwards (B) 0.04 m inclined downwards (C) 0.04 m inclined upward (D) None of these
Last Answer : (B) 0.04 m inclined downwards
Description : Reference pillars fixed on the centre line of a proposed road, provide the following information: (A) Reduced distance (R.D.) (B) Horizontal distance of road from the centre line (C) Reduced level at the top of pillar (D) All the above
Last Answer : Answer: Option D
Description : Which of the following in theodolite work is imperfect adjustment of the instrument (a) Error due to line of collimation being perpendicular to the horizontal axis (b) Error due to axis not to perpendicular ... to imperfect graduation (d) Error due to eccentricity of vernires (e) All of the above*
Last Answer : (e) All of the above*
Description : Define : 1) Bench mark 2) Datum surface 3) Line of collimation 4) Change Point
Last Answer : 1) Bench mark: - It is a fixed reference point of known elevation.. 2)Datum surface :-It is any arbitrarily assumed level surface from which vertical distance are measured 3) Line of collimation:- ... which the fore and back sights are taken. It is the point denoting the shifting of the level.
Description : Define the term: (1) Level surface (2) Line of collimation
Last Answer : Level surface: It is a surface parallel to the mean spheroidal surface of the earth. It is normal to the direction of plumb line at all points. The surface of still water is an example of level ... to the optical center of object glass and its continuation. It is also called as line of sight.
Description : In tangential tacheometry, an ordinary level staff is used (A) Leaning towards the instrument for inclined sights upward (B) Leaning away from the instrument for inclined sights downwards (C) Vertical in all cases (D) None of these
Last Answer : (C) Vertical in all cases
Description : The operation of making the algebraic sum of latitudes and departures of a closed traverse, each equal to zero, is known (A) Balancing the sights (B) Balancing the departures (C) Balancing the latitudes (D) Balancing the traverse
Last Answer : (D) Balancing the traverse
Description : In horizontal angles, the error due to imperfect levelling of the plate bubble is (A) Large when sights are nearly level (B) Large for long sights (C) Less for steeply inclined sights (D) Large for steeply inclined sights
Last Answer : (D) Large for steeply inclined sights
Description : If vertical angles of inclined sights do not exceed 10° and non-verticality of the staff remains within 1°, stadia system of tacheometric observations are made on (A) Staff normal (B) Staff vertical (C) Staff normal as well as vertical (D) None of these
Last Answer : (A) Staff normal
Description : While working on a plane table, the correct rule is: (A) Draw continuous lines from all instrument stations (B) Draw short rays sufficient to contain the points sought (C) Intersection ... drawing second rays (D) Take maximum number of sights as possible from each station to distant objects
Last Answer : (B) Draw short rays sufficient to contain the points sought
Description : In a plane-table survey, the process of determining the plotted position of a station occupied by the plane-table by means of sights taken towards known points, the locations of which have already been plotted, is known as (a) Radiation (b) Resection (c) Intersection (d) Traversing
Last Answer : (b) Resection
Description : Three points A, B and C 500 m apart on a straight road have 500 m, 505 m and 510 m as their reduced levels. The road is said to have (A) No gradient between A and C (B) A positive gradient between A and C (C) A negative gradient between A and C (D) A negative gradient between A and B
Description : The reduced levels of points, 30 metres apart along the longitudinal section of a road portion between chainages 5 and 9 are shown in the given figure. If there is a uniform up-gradient of the road 120 in 1, the chainage ... 15) chains (B) (6 + 12) chains (C) (6 + 18) chains (D) None of these
Last Answer : (B) (6 + 12) chains
Description : Pick up the correct statement regarding the centre line method of estimating a building (A) Product of the centre line of the walls and area of cross-section of any item, gives total quantity of the ... length is reduced by half the layer of main wall joining the partition wall (D) All the above
Description : The reduced levels of the string at the consecutive sight rails A and B are 203.575 m, 203.475 m respectively. If the difference of their R.D.s is 10 m, the gradient of the sewer line is A. 1 in 100 upward B. 1 in 500 upward C. 1 in 100 downward D. 1 in 503 upward
Last Answer : ANS: C
Description : Define the terms - dip of needle, magnetic bearing, fore bearing and back bearing.
Last Answer : Dip of needle: It is downward inclination or small angle made by freely suspended magnetic needle with the horizontal. Magnetic bearing: Magnetic bearing of a survey line is the horizontal angle ... of line measured in backward direction or opposite direction of survey, is known as back bearing.
Description : Define the following: (i) Height of instrument (i) Back sight (iii) Fore sight (iv) Axis of bubble tube
Last Answer : i. Height of instrument: It is the reduced level of line of collimation when the leveling instrument is properly leveled. It is obtained by adding the BS reading to RL of bench mark or change point on which the ... when the bubble is at the center of its run i.e. at middle point of the tube.
Description : Find the back bearing of the following lines having fore bearing as given below: (i) PQ = N 55° 0' E (ii) EF == 280° 0' (iii) CD = S 58° 30' W (iv) OM= 180° 0'
Last Answer : i) F.B OF PQ = N 55°0 ’ E B.B Of PQ = S 55°0 ’W ii) F.B. Of EF = 280°0 ’ B.B OF EF = F.B -180°= 280°0 ’ -180° = 100°0 ’ iii) F.B OF CD = S 58°30’W B.B OF CD = N 58°30’ E iv) F.B OF GH = 180° B.B OF GH = F.B -180°=180°-180°= 0°
Description : General mechanism of size reduction in intermediate and fine grinder is by (A) Cutting action (B) Compression (C) Compression and tearing (D) Impact and attrition
Last Answer : (D) Impact and attrition
Description : Increased serum levels of which of the following may be associated with a decreased risk of atherosclerosis? (a) Very low-density lipoproteins (VLDL) (b) Low-density lipoproteins (LDL) (c) Intermediate – density lipoproteins (IDL) (d) High-density lipoproteins (HDL) (e) Cholesterol
Last Answer : Ans: D
Description : Which of the following are voluntary provisions in the 73 rd Constitutional Amendment Act (1992) ? 1. Minimum age of 21 for contesting elections to Panchayats. 2. Indirect elections to the post of Chairperson of Panchayats at the intermediate ... 2 and 4 (B) 2, 3 and 4 (C) 1, 2 and 3 (D) 3 and 4
Last Answer : Answer: D
Description : What is the most important factor to reduces dental irradiation, A. Speed of film B. Collimation C. Filtration D. Cone shape and length
Last Answer : A. Speed of film
Description : Collimation is done to: A. Reduce the size of the beam, so it is easy to visualise the central X ray. B. Avoid unnecessary exposure to radiation of surrounding tissues of the patient
Last Answer : B. Avoid unnecessary exposure to radiation of surrounding tissues of the patient
Description : The first reading from a level station is (A) Foresight (B) Intermediate sight (C) Back-sight (D) Any sight
Last Answer : (C) Back-sight
Description : Pick up the correct statement from the following: (A) In order to check up the average depth of excavation, 'Dead man s' are left at the midwidths of borrow pits (B) The earthwork ... embankment includes the formation of correct profile and depositing the soil in layers (D) All the above
Description : Sometimes resellers are offered a temporary price reduction for purchasing specified quantities of a product. Such offers are used to provide them with an incentive to handle a new product, to achieve a ... sales promotion? A)Push money B)Buy -back allowance C)Buying allowance D)Money -off offer
Last Answer : C)Buying allowance