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WorksheetsDay 109-Jan 19-worksheet-Btech-Theodolite surveying part 1
Total questions: 15
Worksheet time: 8mins
The size of a theodolite instrument is conventionally expressed by the:
Length of telescope
Height of tripod
Diameter of upper plate
Diameter of lower plate
The vertical circle of a theodolite is rigidly connected to the:
Vertical axis
Outer spindle
Telescope
Index frame
Which component carries the upper plate of a theodolite?
Outer spindle
Inner spindle
Vertical axis
Trunnion axis
When measuring a horizontal angle, which plates primarily take part?
Vertical circle only
Telescope and trunnion axis
Upper plate and lower plate
Index frame and vertical circle
Which clamp must be tightened first while taking a backsight in theodolite surveying?
Upper clamp
Vertical circle clamp
Lower clamp
Tangent clamp
The telescope of a theodolite rotates about the:
Vertical axis
Trunnion (horizontal) axis
Inner spindle
Outer spindle
The vertical circle of a theodolite is generally read using which bearing system?
Whole circle bearing
Reduced bearing
Quadrantal bearing
Back bearing
The two parallel triangular plates in the levelling head are known as (a) plates.
The plate having 0°–360° graduations is called the (a) plate.
The imaginary line joining the optical centre of the object glass and the centre of eyepiece is called the (a) .
The vertical circle is provided with a least count of (a) .
The index frame is also known as the (a) frame.
The most sensitive and longest bubble provided in a theodolite is the (a) bubble.
The device used for centering the theodolite exactly over the station point is the (a) .
In windy conditions, centering of the theodolite is done using an (a) .
