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WorksheetsDay 113-Jan 23-worksheet-Btech-Curves & minor instruments
Total questions: 15
Worksheet time: 8mins
A horizontal curve composed of two circular arcs having different radii, turning in the same direction, with their centers on the same side of the curve, is called:
Simple curve
Reverse curve
Compound curve
Transition curve
Degree of curve is inversely proportional to which of the following?
Deflection angle
Central angle
Radius of curve
Tangent length
Which method of curve setting is most accurate and uses a theodolite with tape?
Offset from long chord
Successive bisection of arc
Rankine’s method
Offsets from tangents
The curve composed of two arcs with their centers on opposite sides of the curve is known as:
Simple curve
Compound curve
Reverse curve
Vertical curve
The angle between the back tangent and forward tangent of a simple circular curve is called:
Deflection angle
Central angle
Intersection angle
Tangent angle
The quantity rφ/180 represents the:
Tangent distance
Apex distance
Length of curve
Versine
Degree of curve increases as the radius of the curve decreases.
True
False
In a reverse curve, the two arcs bend in the same direction.
True
False
The midpoint of a circular curve is called (a) .
The distance between apex and midpoint of the long chord is known as (a) .
A circular curve has a radius of 300 m and deflection angle of 60°.
Find the length of curve
(a)
The point where alignment changes from tangent to curve is called (a) .
The angle by which the forward tangent deflects from the back tangent is called (a) angle.
For a curve having a degree of curve of 6° based on a 30 m arc length, find the radius.
(a)
Transition curves have (a) radius.
