Survey - Survey In Civil Engineering objective questions and answers

11.  The brightness of the image ........ the magnifying power

   A. Is directly proportional to

   B. Is inversely proportional to

   C. Varies directly as the square of

   D. Varies is inversely as the square of

12.  A reverse curve consists of

   A. A single curve of a circle connecting to straights

   B. Two arcs of different radii bending in the same direction

   C. Two arcs of equal radii bending in the same direction

   D.Two arcs of equal or different radii bending in the opposite direction

13.  The representation fraction 1/2500 means that the scale is

   A. 1 cm = 2.5 cm

   B. 1 cm = 15 cm

   C. 1 cm = 2 cm

   D. 1 cm = 2.5 km

14.  The capacity of a telescope of producing a sharp image is called its

   A. Definition

   B. Brightness

   C. Sensitivity

   D. Magnification

15.  The optical square is used to measure angles by

   A. Refraction

   B. Reflection

   C. Double refraction

   D. Double reflection

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