PPSC CE SURVEY Quiz 4
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Statement 2: Degree of a curve is the angle subtended at the centre by a specified length of arc.
(a) Length of long chord
(b) Tangent length
(c) Apex distance
(d) Length of curve
(i) A circular curve consists of single arc of circle having finite radius and fits between two straight lines.
(ii) A compound curve consists of two arcs having their centers lying on same side of common tangent.
(iii) A reverse curve consists of two arcs having their centers lying on opposite side of common tangent.
(iv) A transition curve is a curve of varying radius having zero radius at the starting of curve.
Which of the following statements are correct?
Statement 1: In fixed hair stadia method, the staff intercept will always remain constant irrespective of distance.
Statement 2: Distance between cross hairs always remain constant in fixed hair stadia method.
(a) Angular distance of a place north or south of the equator
(b) The point on the celestial sphere just above the observer
(c) The great circle, the plane of which is perpendicular to axis of rotation
(d) The point on the celestial sphere just below the observer
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