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True or False. The surveyor can establish curves of short radius, usually less than one tape length, by holding one end of the tape at the center of the circle and swinging the tape in an arc, marking as many points as desired.
True. The surveyor can establish curves of short radius, usually less than one tape length, by holding one end of the tape at the center of the circle and swinging the tape in an arc, marking as many points as desired.
An abbreviation for Point of Intersection:
Point of Intersection (PI)
The point of intersection marks the point where the back and forward tangents intersect. The surveyor indicates it as one of the stations on the preliminary traverse.
To solve a simple curve, the surveyor must know ______ elements:
To solve a simple curve, the surveyor must know Three elements:
Some engineers prefer to use a value of ______ feet for the radius of a 1-degree curve:
Some engineers prefer to use a value of 5730 feet for the radius of a 1-degree curve:
A ______ curve is two or more simple curves which have different centers, bend in the same direction, lie on the same side of their common tangent, and connect to form a continuous tangent:
A Compound curve is two or more simple curves which have different centers, bend in the same direction, lie on the same side of their common tangent, and connect to form a continuous tangent:
True or False. The computation of compound curves presents two basic problems.
True. The computation of compound curves presents two basic problems.
A reverse curve is composed of two or more ______ curves turning in opposite directions:
A reverse curve is composed of two or more Simple curves turning in opposite directions:
True or False. In engineering construction, the surveyor often inserts a transition curve, also known as a spiral curve, between a circular curve and the tangent to that curve.
True. In engineering construction, the surveyor often inserts a transition curve, also known as a spiral curve, between a circular curve and the tangent to that curve.
When two grade lines intersect, there is a ______ change of direction.
When two grade lines intersect, there is a Vertical change of direction.
True or False. The surveyor uses the high or low point of a vertical curve to determine the direction and amount of runoff, in the case of summit curves, and to locate the low point for drainage.
True. The surveyor uses the high or low point of a vertical curve to determine the direction and amount of runoff, in the case of summit curves, and to locate the low point for drainage.
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