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Surveying QUESTIONS AND ANSWERS

Civil Engineering : Surveying QUESTIONS AND ANSWERS :: part3 : 16 to 20

Following Civil Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

16.The suitable contour interval for a map with scale 1 : 10000 is

2 m

10 m

20 m

17.The R.L, of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. If the foresight reading on the point B which is on the ceiling is 2.745 m, the R.L. of point B will be

94.80 m

99.71 m

100.29 m

105.20 m

18.The sensitivity of a bubble tube can be increased by

increasing the diameter of the tube

decreasing the length of bubble

increasing the viscosity of liquid

decreasing the radius of curvature of tube

19.If the horizontal distance between the staff point and the point of observation is d, then the error due to curvature of earth is proportional to

1/d

1/d2

20.In direct method of contouring, the process of locating or identifying points lying on a contour is called

ranging

centring

horizontal control

vertical control

More Surveying QUESTIONS AND ANSWERS available in next pages