A metallic tape is made of ______________ ?
A. steel
B. invar
C. linen
D. cloth and wires
Surveying
In the cross-section method of indirect contouring, the spacing of cross-sections depends upon_____________?
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)
The methods used for locating the plane table stations are_______________?
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)
After fixing the plane table to the tripod, the main operations which are needed at each plane table station are ______________ ?
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)
The angle between the prolongation of the preceding line and the forward line of a traverse is called ________________?
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
Subtense bar is an instrument used for _______________?
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
Overturning of vehicles on a curve can be avoided by using ________________?
Overturning of vehicles on a curve can be avoided by using ________________?
A. compound curve
B. vertical curve
C. reverse curve
D. transition curve
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________________?
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
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_______________?
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
Different grades are joined together by a ________________?
Different grades are joined together by a ________________?
A. compound curve
B. transition curve
C. reverse curve
D. vertical curve