Surveying - Interview Questions | Exam2Win

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46. Size of a theodolite is specified by

A. the length of telescope

B. the diameter of vertical circle

C. the diameter of lower plate

D. the diameter of upper plate

Explanation:

47. Which of the following is not the function of levelling head ?

A. to support the main part of the instrument

B. to attach the theodolite to the tripod

C. to provide a means for leveling the theodolite

D. none of the above

Explanation:

48. For accurate work, the steel band should always be used in preference to chain because the steel band

A. is lighter than chain

B. is easier to handle

C. is practically inextensible and is not liable to kinks when in use

D. can be easily repaired in the field

Explanation:

49. The temporary adjustments of a prismatic compass are i) Centering ii) Levelling iii) Focusing the prism The correct order is

A. (0, (iii), 00

B. (0, (ii), (iii)

C. (ii), (iii), 0)

D. (in), (i), (ii)

Explanation:

50. Dumpy level is most suitable when

A. the instrument is to be shifted frequently

B. fly levelling is being done over long distance

C. many readings are to be taken from a single setting of the instrument

D. all of the above

Explanation: