STUDY LESSON:-48 [CIVIL ENGINEERING]
For Competitive exams/Govt. jobs/Semester exam/Self Study Purpose
a) Plane surveying b) Preliminary surveying c) Geodetic surveying d) Topographical surveying
2. What will be if Tangent length if a circular curve of radius R connects two straight line with a deflection of 60°.
a) 1.155R b) 3.464R c) 1.732R d) 0.577R
3. The tangential method of tachometry is
a) slower than stadia hair method b) less computation task involved to get reduced distance c) faster than stadia hair method
4. The purpose of providing anallatic lens is to make additive constant (f+d) to be excatly
a) 0 b) 1 c) <1 d) >1
a) 0 b) 1 c) <1 d) >1
5. Elevation of plinth = Height of instrument - ___________
6. Height of Instrument = Reduced level of Benchmark - ____________
7. The magnetic bearing of line XY is A 45°E and the declination is 5° W. what will be the true bearing of the line AB
a) S 45° E b) S 40° E c) S 50° E d) S 50° W
8. True bearing of line = _____________ + declination.
9. Systematic errors are always proportional to the ___________
10. ______________ survey comprises the natural features like rivers, streams, lakes, woods, hills etc
Answers:-
1. c) Geodetic surveying
2. d) 0.577R
3. a) slower than stadia hair method
4. a) 0
5. Foresight
6. Backsight
7. c) S 50° E
8. Magnetic Bearing
9. length
10. Topographical
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