In setting up a plane table at any station
(A) Levelling is done first
(B) Centering is done first
(C) Both levelling and centering are done simultaneously
(D) Orientation is done first

1 Answer

Answer :

(C) Both levelling and centering are done simultaneously

Related questions

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 : The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known (A) Levelling (B) Centering (C) Orientation (D) Setting

Last Answer : (C) Orientation

Description : After fixing the plane table to the tripod, the main operations which are needed at each plane table station are (i) Levelling (ii) Orientation (iii) Centering The correct sequence of these operations is (A) (i), (ii), (iii) (B) (i), (iii), (ii) (C) (iii), (i), (ii) (D) (ii), (iii), (i)

Last Answer : (B) (i), (iii), (ii)

Description : While setting a plane table at a station it was found that the error in centering was 30 cm away from the ray of length 40 m drawn from the station. If the scale of the plan is 1 cm = 2 cm, the displacement of the end of ... true position will be (A) 0.02 cm (B) 0.15 cm (C) 0.2 cm (D) 0.1 cm

Last Answer : (B) 0.15 cm

Description : The instrument used for accurate centering in plane table survey is (A) Spirit level (B) Alidade (C) Plumbing fork (D) Trough compass

Last Answer : (C) Plumbing fork

Description : When setting up teeth for complete dentures having bilateral balanced occlusion, separation of posterior teeth during protrusion is done by: A. Increasing the anterior posterior occlusal curve B. Decreasing the angle orientation of the occlusal plane

Last Answer : B. Decreasing the angle orientation of the occlusal plane

Description : The type of surveying which requires least office work is (A) Tachometry (B) Trigonometrical levelling (C) Plane table surveying (D) Theodolite surveying

Last Answer : (C) Plane table surveying

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 : Orientation of a plane table by solving two point problems is only adopted when (A) Saving of time is a main factor (B) Better accuracy is a main factor (C) Given points are inaccessible (D) None of these

Last Answer : (C) Given points are inaccessible

Description : To orient a plane table at a point roughly south of the mid-point of two inaccessible conical hill stations and in the plains, a point is selected in line with AB and table is oriented at by bringing ab ... , is (A) Unique and correct (B) Incorrect (C) Manifold and correct (D) Not reliable

Last Answer : (C) Manifold and correct

Description : The operation of resection involves the following steps 1. Rough orientation of the plane table 2. The three lines form a triangle of error 3. Drawing lines back through the three control points 4. Select a point in the triangle of error ... 2, 3, 4, 5 (C) 1, 4, 3, 2, 5 (D) 1, 3, 2, 4, 5

Last Answer : (A) 1, 3, 2, 4, 5

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 case of levelling, backsight is (a) A fixed point of known elevation (b) The last staff reading taken before shifting the instrument (c) The first staff reading taken after setting the instrument (d) Any staff reading taken on a point of unknown elevation

Last Answer : (c) The first staff reading taken after setting the instrument

Description : Subtense bar is an instrument used for (A) Levelling (B) Measurement of horizontal distances in plane areas (C) Measurement of horizontal distances in undulated areas (D) Measurement of angles

Last Answer : (C) Measurement of horizontal distances in undulated areas

Description : Describe any one method of orientation of plane table surveying

Last Answer : Orientation by back sighting method: This method is accurate and is always preferred. Procedure: 1.Suppose A and B are two stations.The plane table is set up over A. The table is leveled by spirit level ... are perfect and needle is exactly at 0-0 , the orientation is said to be perfect.

Description : Describe back sighting method of orientation of plane table surveying.

Last Answer : Backsight method of orientation 1. Assume we have to orient the table at next station B' represented on paper by point b'. 2.the line ba' is drawn on previous station A'. 3.the alidade is kept ... A'. 4. When the plotted line ab' coincides with line AB' and table will be oriented.

Description : Explain Orientation of plane table by Back-sighting Method.

Last Answer : Ans:- The method of setting up the plane table at each of the successive stations parallel to the position it occupied at the starting station is known as an Orientation. Orientation must be done when ... and bisection of the ranging rod at a are perfect then orientation is said to perfect.  

Description : What is orientation of plane table? State the procedure of any one method of orientation.

Last Answer : Orientation of plane table: It means placing table in parallel positions at all stations (or at successive station) 1. Orientation using trough compass: Here north direction is marked at first station ... rotated till ranging rod at previous station is exactly bisected. The table is then clamped. 

Description : The 'fix' of a plane table station with three known points, is bad if the plane table station lies  (A) In the great triangle  (B) Outside the great triangle  (C) On the circumference of the circumscribing circle  (D) None of these 

Last Answer : (C) On the circumference of the circumscribing circle 

Description : The 'fix' of a plane table from three known points, is good, if  (A) Middle station is nearest  (B) Middle station is farthest  (C) Either the right or left station is nearest  (D) None of these 

Last Answer : (A) Middle station is nearest 

Description : Locating the position of a plane table station with reference to three known points, is known as (A) Intersection method (B) Radiation method (C) Resection method (D) Three point problem

Last Answer : (D) Three point problem

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 : Which one of the following procedures for getting accurate orientation is the most distinctive feature of the art of plane tabling? (A) Radiation (B) Intersection (C) Traversing (D) Resection

Last Answer : (D) Resection

Description : Profile levelling is usually done for determining  (A) Contours of an area  (B) Capacity of a reservoir  (C) Elevations along a straight line  (D) Boundaries of property 

Last Answer : (C) Elevations along a straight line 

Description : Centering error of a theodolite produces an error (A) In all angles equally (B) Which does not vary with the direction or pointing (C) Which varies with the direction of pointing and inversely with the length of sight (D) None of these 

Last Answer : (C) Which varies with the direction of pointing and inversely with the length of sight 

Description : To avoid large centering error with very short legs, observations are generally made (A) To chain pins (B) By using optical system for centering the theodolite (C) To a target fixed on theodolite tripod on which theodolite may be fitted easily (D) All the above

Last Answer : (C) To a target fixed on theodolite tripod on which theodolite may be fitted easily

Description : Land plane is ideally suited for a) Land levelling b) Earth moving c) Final grading d) Top finishing

Last Answer : d) Top finishing

Description : While surveying a plot of land by plane tabling, the field observations (A) And plotting proceed simultaneously (B) And plotting do not proceed simultaneously (C) And recorded in field books to be plotted later (D) All the above

Last Answer : (A) And plotting proceed simultaneously

Description : In a precision traverse, included angles are measured by setting the vernier  (A) To read zero exactly on back station  (B) To read 5° exactly on back station  (C) Somewhere near zero and reading both verniers on back station  (D) All the above

Last Answer : (C) Somewhere near zero and reading both verniers on back station 

Description : Regarding plane-table survey, which of the following statements does not hold? (a) All the plotting work including contouring can be done in the field (b) It is quite suitable for small scale survey (c) Less number of control points are required (d) It can be done in all seasons

Last Answer : (d) It can be done in all seasons

Description : The plotting of inaccessible points in a plane-table survey can be done by the method of (a) Interpolation (b) Radiation (c) Intersection (d) Traversing

Last Answer : (c) Intersection

Description : Pick up the method of surveying in which field observations and plotting proceed simultaneously from the following (A) Chain surveying (B) Compass surveying (C) Plan table surveying (D) Tacheometric surveying

Last Answer : (C) Plan table surveying

Description : An important factor of the preplanning stage in group dynamics is determining what the group is to accomplish; this is known as………………… (a) Goal setting ; (b) Cohesion ; (c) Clarity of purpose ; (d) Group orientation

Last Answer :  (c) Clarity of purpose ;

Description : In levelling operation (A) If second reading is more than first, it represents a rise (B) If first reading is more than second, it represents a rise (C) If first reading is less than second, it represents a fall (D) Both (b) and (c)

Last Answer : (D) Both (b) and (c)

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 : A block A is dropped down a smooth inclined plane, while another identical block B is released for free fall from the same height a.block A will have higher velocity than block B while hitting the ... . c.both will hit the ground simultaneously d.block A will hit the ground earlier e.107 dynes

Last Answer : b. block B will hit the ground earlier.

Description : A transit is oriented by setting its vernier A to read the back azimuth of the preceding line. A back sight on the preceding transit station taken and transit is rotated about its vertical axis. The vernier ... (C) Back bearing of the forward line (D) Equal to 360°-azimuth of the forward line

Last Answer : (A) Azimuth of the forward line

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 : An angle of deflection right, may be directly obtained by setting the instrument to read (A) Zero on back station (B) 180° on back station (C) 90° (D) 270° on back station

Last Answer : (A) Zero on back station

Description : Which of the following is NOT true?Image formed by reflection through a plane mirror is a.of same size b.same orientation c.is at same distance from the mirror d.virtual

Last Answer : b.same orientation

Description : What changes the position or orientation of a figure on a coordinate plane?

Last Answer : This is a transformation which could be a rotation, translationor reflection.

Description : Define orientation and principle of plane tabling. 

Last Answer : Orientation: The orientation of plane table means keeping the plane table at all stations parallel to the position it occupied at first station. Principles of plane table survey: 1. The rays drawn from ... same as that of previous station i.e. orientation should be done at each changed station.  

Description : Pudding is done to— (A) Reduce percolation of water (B) Pulverise and levelling soil (C) Kill weeds (D) All of the above

Last Answer : (D) All of the above

Description : Pudding is done to a) Reduce percolation of water b) Pulverise and levelling soil c) Kill weeds D) All of the above 

Last Answer : D) All of the above 

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Description : Erosion and pits formation on the impeller of a centrifugal pump may be due to (A) Cavitation (B) Low speed of impeller (C) Its operation with delivery valve closed for considerable time after starting the pump (D) Off centering of pump with motor

Last Answer : (A) Cavitation

Description : What feature adjusts the top and bottom margins so that the text is centered vertically on the printed page? a) Vertical justifying b) Vertical adjusting c) Dual centering d) Horizontal centering e) None of these

Last Answer : a) Vertical justifying