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Civil Engineering
Surveying MCQs with answers - part-1
1. A check line in a chain surveying ?
a] checks the accuracy of the framework
b] enables the surveyor to locate the interior details which are far away from the main chain lines
c] fixes up the directions of all other lines
d] all of the above
Answer: checks the accuracy of the framework
2. A plain scale is used to read ?
a] one dimension
b] two dimensions
c] three dimensions
d] all of these
Answer: two dimensions
3. The method of measuring distance by pacing is chiefly used in ?
a] reconnaissance surveys
b] preliminary surveys
c] location surveys
d] all of these
Answer: reconnaissance surveys
4. Direct ranging is possible only when the end stations are ?
a] close to each other
b] not more than 100 m apart
c] mutually intervisible
d] located at highest points in the sea
Answer: mutually intervisible
5. When the measured length is less than the actual length, the error is known as ?
a] positive error
b] negative error
c] compensating error
d] instrumental error
Answer: d] inegative error
6. The tension, at which the effects of pull and sag for a tape are neutralised, is known as ?
a] initial tension
b] absolute tension
c] surface tension
d] normal tension
Answer: normal tension
7. A plumb bob is required ?
a] when measuring distances along slopes in a hilly country
b] for accurate centering of a theodolite over a station mark
c] for testing the verticality of ranging poles
d] all of the above
Answer: all of the above
8. When the length of chain used in measuring distance is longer than the standard length, the error in measured distance will be ?
a] positive error
b] negative error
c] compensating error
d] none of these
Answer: negative error
9. Chain surveying consists of the arrangement of framework of triangles because a triangle is the simple plane figure which can be plotted uniquely if ............... of the triangle are known. ?
a] three sides
b] three angles
c] one side and two angles
d] one angle and two sides
Answer: three sides
10. The accuracy in laying down the perpendicular offsets and in measuring them depends upon ?
a] scale of plotting
b] length of offset
c] importance of the object
d] all of these
Answer: all of these
