PPSC CE SURVEY Quiz 4

Statement 1: If the radius of a curve is 420 m, it will be designated as a 5˚ curve on a 30 m arc.

Statement 2: Degree of a curve is the angle subtended at the centre by a specified length of arc.

Match List 1 with List 2 and select the answer using the code given below (Assume standard notation):

List 1

(a) Length of long chord

(b) Tangent length

(c) Apex distance

(d) Length of curve

List 2

(i)

(ii)

(iii)

(iv)

Consider the following statements regarding curves:

(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?

The focal length of a telescope is found to be 0.25 m and the stadia interval of the tacheometer is 2 mm. The stadia interval factor will be

Consider the following statements:

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.

Match List 1 with List 2 and select the answer using the code below

List 1

(i) Zenith

(ii) Equator

(iii) Nadir

(iv) Latitude

List 2

(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