STUDY LESSON:- 50 [CIVIL ENGINEERING]
For Competitive exams/Govt. jobs/Semester exam/Self Study Purpose
1.The minimum number of GPS required for to determine its position accurately is
a) 2 b) 4 c) 8 d) 16
2. The rise and fall method produces an arithmetic check of
a) intermediate sights b) back sights, intermediate sights and fore sights c) back sight and intermediate sights d) none of these
3. What will be the required slope correction of length 60 m for a gradient of 1 in 20?
a) 7.5 cm b) 5.5 cm c) 75 cm d) 0.75 cm
4. Curvature correction to staff reading in a differential leveling survey will be always ____________
a) zero b) dependent on latitude c) additive d) subtractive
5. The relation between the length l and radius r of an ideal transition curve is
a) l ∝ r b) l ∝ r² c) l ∝ 1/r d) c) l ∝ 1/r²
6. The number of spectral bands in the Enhanced Thermatic Mapper sensor on the remote sensing satellite Landsat-7 is
a) 64 b) 15 c) 10 d) 8
7. What would be the departure of the line if the Reduced Bearing of a 10 m long line is N30º E.
a) 5 m b) 7.52 m c) 8.66 m d) 10 m
8. Length of the curve, l is designated as
a) πRΔ/180 b) πRΔ/360 c) πRΔ/90 d) none of these
9. Alidade is used in ________ Method.
10. Arrow is used in _____________ survey.
Answers:-
1. b) 4
2. b) back sights, intermediate sights and fore sights
3. a) 7.5 cm
4. d) subtractive
5. c) l ∝ 1/r
6. d) 8
7. a) 5 m
8. a) πRΔ/180
9. Plane table surveying
10. Chain
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