|
1) Which of the following methods of plane table surveying is used to locate the position of an inaccessible point ? a. radiation b. intersection c. traversing d. resection
|
||||
|
2) Select the correct statement? a. Contour interval on any map is kept constant b. Direct method of contouring is cheap¬er than indirect method c. Inter-visibility of points on a contour map cannot be ascertained d. Slope of a hill cannot be determined with the help of contours
|
||||
|
3) The instrument used for accurate centering in plane table survey is________________? a. spirit level b. alidade c. plumbing fork d. trough compass
|
||||
|
4) The resection by two point problem as compared to three point problem_______________? a. gives more accurate problem b. takes less time c. requires more labour d. none of the above
|
||||
|
5) If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the________________? a. NE quadrant b. SE quadrant c. NW quadrant d. SW quadrant
|
||||
|
6) Transit rule of adjusting the consecutive coordinates of a traverse is used where________________? a. linear and angular measurements of the traverse are of equal accuracy b. angular measurements are more accurate than linear measurements c. linear measurements are more accurate than angular measurements d. all of the above
|
||||
|
7) Horizontal distances obtained by thermometric observations_________________? a. require slope correction b. require tension correction c. require slope and tension corrections d. do not require slope and tension corrections
|
||||
|
8) 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. measuring angles to the point from at least two stations c. measuring angle at one station and distance from other d. measuring distance from two points on traverse line
|
||||
|
9) The number of horizontal cross wires in a stadia diaphragm is ________________? a. one b. two c. three d. four
|
||||
|
10) For a tacheometer the additive and multi-plying constants are respectively________________? a. 0 and 100 b. 100 and 0 c. 0 and 0 d. 100 and 100
|
||||
|
11) Different grades are joined together by a ________________? a. compound curve b. transition curve c. reverse curve d. vertical curve
|
||||
|
12) If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is_______________? a. 0.1 b. 0.4 c. 0.6 d. 1.33
|
||||
|
13) If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is________________? a. 7.5 m b. 25 m c. 50 d. 75 m
|
||||
|
14) Overturning of vehicles on a curve can be avoided by using ________________? a. compound curve b. vertical curve c. reverse curve d. transition curve
|
||||
|
15) 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
|
||||
|
16) The angle between the prolongation of the preceding line and the forward line of a traverse is called ________________? a. deflection angle b. included angle c. direct angle d. none of the above
|
||||
|
17) After fixing the plane table to the tripod, the main operations which are needed at each plane table station are ______________ ?
1. levelling 2. orientation 3. centering The correct sequence of these operations is a. (1), (2),(3) b. (1), (3), (2) c. (3), (1), (2) d. (2), (3), (1)
|
||||
|
18) The methods used for locating the plane table stations are_______________?
1. radiation 2. traversing 3.intersection 4. resection The correct answer is a. (1) and (2) b. (3) and (4) c. (2) and (4) d. (1) and (3)
|
||||
|
19) In the cross-section method of indirect contouring, the spacing of cross-sections depends upon_____________?
1. contour interval 2. scale of plan 3. characteristics of ground The correct answer is ? a. only (1) b. (1) and (2) c. (2) and (3) d. (1), (2) and (3)
|
||||
|
20) A metallic tape is made of ______________ ? a. steel b. invar c. linen d. cloth and wires
|
||||
