Civil Engineering - Surveying

26. 

Under ordinary conditions, the precision of a theodolite traverse is affected by

A. systematic angular errors
B. accidental linear errors
C. systematic linear errors
D. accidental angular errors.

Answer: Option C

Explanation:

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27. 

Pick up the incorrect statement from the following :

A. while measuring a distance with a tape of length 100.005 m, the distance to be increasing by 0.005 m for each tape length
B. an increase in temperature causes a tape to increase in length and the measured distance is too large
C. the straight distance between end points of a suspended tape is reduced by an amount called the sag correction
D. a 100 m tape of cross section 10 mm x 0.25 mm stretches about 10 mm under 5 kg pull.

Answer: Option B

Explanation:

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28. 

Stadia techeometry was discovered by James Watt in the year.

A. 1670
B. 1770
C. 1870
D. 1900.

Answer: Option B

Explanation:

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29. 

The bearing of lines OA and OB are 16° 10' and 332° 18', the value of the included angle BOA is

A. 316° 10'
B. 158° 28'
C. 348° 08'
D. 43° 52'

Answer: Option D

Explanation:

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30. 

The properties of autogenous curve for automobiles are given by

A. true spiral
B. cubic parabola
C. Bernoulli's Lemniscate
D. clothoid spiral.

Answer: Option C

Explanation:

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