SURVEY- LEVELLING ( 21-05-2025)
Presentation
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Professional Development
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Professional Development
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Practice Problem
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Medium
WINCENTRE CLASSES
Used 1+ times
FREE Resource
48 Slides • 22 Questions
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Multiple Choice
Which of the following best describes a temporary adjustment in leveling instruments?
Adjustments made each time before use to ensure accuracy
Adjustments made once during the instrument's lifetime
Adjustments that cannot be changed after manufacturing
Adjustments related to environmental conditions only
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5
6
Multiple Choice
Which of the following is NOT a step involved in temporary adjustments?
Setting up the level
Levelling up
Elimination of parallax
Permanent fixing of instrument
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Multiple Select
Which of the following statements about parallax is/are correct?
Parallax is the apparent movement of image with respect to cross hairs.
It can be removed by focusing objective.
Parallax is caused by improper levelling of the instrument.
Focusing by objective alone is enough to remove parallax.
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14
Multiple Choice
Which of the following statements about the levelling head is correct?
The upper plate is called trivet and the lower plate is called tribrach
Both plates are called tribrach
The upper plate is called tribrach and the lower plate is called trivet
Both plates are called trivet
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Multiple Choice
What is the purpose of turning the focusing screw when using a telescope for leveling?
To make the image appear clear and sharp
To adjust the distance between the level and staff
To increase the magnification
To align the cross hairs
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20
Multiple Choice
Which of the following is NOT a fundamental line of a level?
Line of Collimation
Axis of Bubble Tube
Vertical Axis
Horizontal Axis
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22
Multiple Choice
Permanent adjustment of level is checked by
Two theodolite method
Two peg method
Three thoedolite method
Three peg method
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Multiple Choice
Pick up the correct statement from the following:
If the image of the object does not fall in the plane of the cross hairs, parallax exists
Parallax has removed by focussing both eye piece and objective
The eye piece is adjusted for clear vision of the cross hairs
All the above
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Multiple Choice
If the staff is not held vertical at a leveling station, the reduced level calculated from the observation would be
True RL
More than true R.L
Less than true R.L
None of the above
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Fill in the Blanks
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Multiple Choice
Which of the following is NOT a type of self reading staff?
Solid staff
Folding staff
Sopwith telescopic staff
Target staff
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34
Multiple Choice
What is the least count of the sopwith telescopic staff?
1mm
5mm
10mm
2mm
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39
Multiple Choice
In a simple levelling the back sight taken from a point A of RL is 100.00 is 2.850m and Foresight taken from point C is 0.520m Find RL at point C.
103.370 m
102.850 m
102.330m
97.150m
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Multiple Choice
Which type of levelling involves determining the difference in elevation between two points that are far apart and not visible from each other?
Simple levelling
Differential levelling
Fly levelling
Profile levelling
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Multiple Choice
What is the position of line of collimation While the observed reading is the less than the required true reading?
Inclined downwards
Inclined upwards
Horizontal
Parallel
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Multiple Choice
What is reduced level, if height of line of collimation is 98.717m and inter sight is 1.238m?
96.389m
97.389m
97.479m
97.379m
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Multiple Choice
Which levelling is done to connect the B.M to any intermediate point of the alignment for checking the accuracy of the work?
Fly levelling
Check levelling
Direct levelling
Indirect levelling
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Multiple Choice
What is the colour code in profile levelling for height of embankment
Black
Red
Blue
Yellow
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Drag and Drop
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Drag and Drop
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Multiple Choice
What is the another name of differential levelling?
Simple levelling
Profile levelling
Continuous levelling
Longitudinal levelling
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Drag and Drop
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