Dumpy level is most suitable when
(a) The instrument is to be shifted frequently
(b) Fly leveling is being done over long distance
(c) Many readings are to be taken from a single setting of the instrument*

(d) All of the above

1 Answer

Answer :

(c) Many readings are to be taken from a single setting of the instrument*

Related questions

Description : Dumpy level is most suitable when (A) The instrument is to be shifted frequently (B) Fly levelling is being done over long distance (C) Many readings are to be taken from a single setting of the instrument (D) All of the above

Last Answer : (C) Many readings are to be taken from a single setting of the instrument

Description : In setting up a plane table at any station (a) Leveling is done first (b) Centering is done first (c) Both leveling and centering are done simultaneously * (d) Orientation is done first

Last Answer : c) Both leveling and centering are done simultaneously *

Description : Conventional method of camber recording a) Piano wire with counter weight* b) By using leveling instrument c) Offset method d) None of the above

Last Answer : a) Piano wire with counter weight*

Description : Which of the instruments is not used in Preliminary survey. (a) Theodelite (b) Tacheometer (c) Dumpy level (d) Plane table (e) None of them*

Last Answer : (e) None of them*

Description : Which of the instruments is not used in Reconnaissance survey. (a) Prismatic compass (b) Dumpy level * (c) Aneroid Barometer (d) Pedometer

Last Answer : (b) Dumpy level *

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 : A dumpy level was set up at mid-point between pegs A and B, 80 m apart and the staff readings were 1.32 and 1.56. When the level was set up at a point 10 m from A on BA produced, the staff readings obtained at A ... this set up at S should be (A) 1.435 (B) 1.345 (C) 1.425 (D) None of these

Last Answer : (B) 1.345

Description : Which one of the following statements is not correc t? (a) Parallax error is eliminated when there is no change in the staff reading when eye is moved up and down (b) The objective lens is ... (d) The eyepiece need not be adjusted after the first set up when the same surveyor is taking readings

Last Answer : (b) The objective lens is to be focused towards a white or bright background for clear visibility of cross-hairs

Description : In order to do fly levelling the following type of methodology is adopted (a) Rise & fall method (b) Height of instrument method (c) Both the above* (d) None of the above

Last Answer : c) Both the above*

Description : Cement pressure grouting is suitable for a) Very fine crack b) weathered concrete c) Active crack where cause of crack is known and remedial action has been taken* d) Crushed masonry

Last Answer : c) Active crack where cause of crack is known and remedial action has been taken

Description : In levelling operation (A) When the instrument is being shifted, the staff must not be moved (B) When the staff is being carried forward, the instrument must remain stationary (C) Both (a) and (b) (D) Neither (a) nor (b)

Last Answer : (C) Both (a) and (b)

Description : The survey instrument used for reconnaissance survey (a) Theodelite & Dumpty level (b) Prismatic compass & Aneriod barometer* (c) All the above (d) None of them

Last Answer : (b) Prismatic compass & Aneriod barometer*

Description : Theodolite is an instrument used for (a) Tightening the capstan-headed nuts of level tube (b) Measurement of horizontal angles only (c) Measurement of vertical angles only (d) Measurement of both horizontal and vertical angles*

Last Answer : (d) Measurement of both horizontal and vertical angles*

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 : The height gauge need to be provided in a) ROB b) RUB* c) FOB d) Fly Over

Last Answer : b) RUB*

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

Last Answer : (D) All the above

Description : In a single span bridge, the clear span is the distance between a) Centres of Abutments b) Inner faces of Abutments* c) Outer faces of Abutments d) Width of Abutment

Last Answer : b) Inner faces of Abutments*

Description : Mention the procedure of fly leveling and state the purpose of doing it.

Last Answer : Procedure: 1. Set up the level at a point from where BM is visible and perform temporary adjustments. 2. Position of the level should be approximately midway between the BS and FS stations. 3. ... accuracy of survey. 3. To connect the B.M at any intermediate point of the alignment.

Description : Define fly leveling and profile leveling

Last Answer : Fly Leveling adopted to transfer bench marks from one place to other .In this leveling only FS & BS are taken.  Profile leveling:- The operation in which the object is to determine the ... known distanced apart along a given line to obtained the accurate outline of the surface of the ground 

Description : State the purposes of following methods of leveling. i)Profile leveling, ii)Fly leveling, iii)Check leveling iv)Reciprocal leveling

Last Answer : 1. Profile leveling- To determine the undulation of ground surface along given line for alignment of road, canal or pipe, railway line 2. Fly leveling-It is used to for connecting B.M. to ... is used to find the difference in leveling between two points two point obstructed due to river or pond.

Description : For Box Culverts Danger level is to be taken as a) at the top of slab b)one third height below bottom of slab c) at the bottom of slab* d) None of the above

Last Answer : c) at the bottom of slab*

Description : Number of taps on platform as per norms for recommended level of facilities (a) One for every coach (b) One for alternate coach* (c) One every 200 metres distance (d) At the discretion of DRM

Last Answer : (b) One for alternate coach*

Description : In case of Shot Welded Rails the fish plated joint should be avoided on Level Crossings within a distance of --------- from end of level crossing a) 3 meters b) 4 meters c) 5 meters d) 6 meters*

Last Answer : d) 6 meters*

Description : On Broad Gauge tracks Banner flag at a level crossing shall be provided at a distance of--- ---------- from ends of check rail before opening the gate for road traffic. a) 5 meters* b) 3 meters c) 6 meters d) 30 meters

Last Answer : a) 5 meters*

Description : On Broad gauge tracks whistle indicator shall be provided at a distance of ---------- from level crossing along the track a) 400 meters b) 600 meters* c) 350 meters d) 500 meters

Last Answer : b) 600 meters*

Description : Speed breaker has to be provided on road approaches of level crossing at maximum feasible distance within Railway boundary but not exceeding a) 10 meters b) 15 meters c) 20 meters* d) 200 meters

Last Answer : c) 20 meters*

Description : On an unmanned level crossing stop board should be provided at a distance of --------- from the centre of nearest track a) 5 meters * b) 6 meters c) 3 meters d) 7.5 meters

Last Answer : a) 5 meters

Description : For protection of level crossing gate in an emergency on BG double line the Gateman should place one detonator at one place and 3 detonators at a subsequent place at a distance of ------- a) and------ ... c) 500 meters and 1000 meters d) 600 meters and 1200 meters* e) 800 meters in 1500 meters

Last Answer : d) 600 meters and 1200 meters*

Description : Indication post for detonator should be provided at a distance of ---------meter and --------- meter for BG level crossing a) 400 meters in 800 meters b) 500 meters and 1200 meters c) 600 meters and 1200 meter * d)600 meters and 1000 meters

Last Answer : c) 600 meters and 1200 meter *

Description : A dumpy level is set up with its eye-piece vertically over a peg . The height from the top of peg to the centre of the eye-piece is 1.540 m and the reading on peg is 0.705 m. The level is then setup over . The height ... in level between and is (A) 2.900 m (B) 3.030 m (C) 0.770 m (D) 0.785 m

Last Answer : (C) 0.770 m

Description : State advantages of Auto-Level over dumpy level. 

Last Answer : 1) Auto level gives quick and easy leveling with less effort than dumpy level. 2) It is most accurate and precise which gives least error about 0.5 to 0.8 in 5 km. 3) It is simply ... readings to read; which reflects inverted in some dumpy level. 5) It gives more operational comfort to surveyor. 

Description : State any two advantages of total station over dumpy level and theodolite.

Last Answer : Advantages of total station over dumpy level and theodolite :- 1) Total station gives digital measurements of sloping, horizontal and vertical distances accurately and precisely. 2) Total station gives ... data to computer. 6) Total station used to prepare the map and drawings using softwares.

Description : State any four advantages of total station over dumpy level and theodolite.

Last Answer : Advantages of total station over dumpy level and theodolite : 1)Total station gives digital measurements of sloping, horizontal and vertical distances aaccurately and precisely. 2) Total station gives digital ... computer. 6) Total station is used to prepare the map and drawings using softwares.

Description : By 00 probe in AT weld testing with normal gain setting. (i) Area below N.axis can be tested. (ii) Area below N.axis can not be tested.* (iii) Only web below N.axis can be tested. (iv) All above are correct.

Last Answer : (ii) Area below N.axis can not be tested.*

Description : A slow setting cement will have higher percentage of a) tricalcium aluminate b) tricalcium silicate c) Gypsum d) Dicalcium silicate*

Last Answer : C2s

Description : The setting and hardening of cement after addition of water is due to a) Binding action of water b) Evaporation of water c) Hydration and hydrolysis of some constituent compounds of cement* d) Additional hardening compounds added to cement

Last Answer : c) Hydration and hydrolysis of some constituent compounds of cement*

Description : Sand is mixed with lime to a) Reduced cost b) Reduced setting time c) Prevent shrinkage and cracking* d) Improve visual appearance

Last Answer : c) Prevent shrinkage and cracking

Description : Le Chatelier apparatus is used to determine which of the following properties for cement A) Soundness* b) Initial setting time c) Compressive strength d) Tensile strength

Last Answer : A) Soundness*

Description : Which type of following cement is used for mass concrete work a) High Alumina cement b) Quick setting cement c) Rapid hardening cement d) Low heat cement*

Last Answer : d) Low heat cement*

Description : The Most common admixture used to accelerate the initial setting of concrete is a) Gypsum b) Calcium chloride* c) Calcium carbonate d) Calcium bicarbonate

Last Answer : b) Calcium chloride*

Description : Lowest level of staff/supervisor competent for packing or renewal of single isolated sleeper not requiring lifting or slewing of track in LWR/CWR. a. PWI b. Keyman c. Gangmate* d. PWS

Last Answer : c. Gangmate*

Description : Traffic census at a level crossing shall be done by a) A team of SSE/ P Way and SSE/ Works b) A team of SSE/ P Way and Traffic inspector c) A team of SSE/ P Way and Signal Inspector d) A multidisciplinary team of SSE/ P Way, Signal Inspector and Traffic Inspector*.

Last Answer : d) A multidisciplinary team of SSE/ P Way, Signal Inspector and Traffic Inspector*.

Description : Periodical Census of traffic at unmanned level Crossings should be done once in a) Once in 6 years b) Every year c) Once in 3 years* d) Once in 5 years

Last Answer : c) Once in 3 years*

Description : The method of plane tabling commonly used for establishing the instrument station is a method of (a) Radiation (b) Intersection* (c) Resection (d) Traversing

Last Answer : (b) Intersection*

Description : The following instrument is used to set out a right angle (a) Cross staff (b) Optical staff (c) Prism square (d) None of the above (e) All the above*

Last Answer : e) All the above*

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

Last Answer : (D) All the above

Description : The clear distance between consecutive sleepers laid over unballasted bridge on BG should not exceed a)300mm b)400mm c)450mm* d)550mm

Last Answer : c)450mm*

Description : Maximum distance apart of trolley refuges on bridges with main spans of 100metre or more is i. 50 mtr j. 100 mtr k. 200 mtr l. a refuge over each pair*

Last Answer : l. a refuge over each pair*

Description : The difference of level between a point below the plane of sight and one above, is the sum of two staff readings and an error would be produced equal to (A) The distance between the zero of ... Thrice the distance between the zero of graduation and the foot of the staff (D) None of the above

Last Answer : (B) Twice the distance between the zero of graduation and the foot of the staff

Description : An accident has taken place at out station and main line is blocked and relief train is to be turned out without medical car. The hooter shall be: a. 3 long b. 4 long* c. 4 long, 1 short d. 3 long, and 1 short

Last Answer : b. 4 long