# Practice Test: Question Set - 15

**1. Intersection method of detailed plotting is most suitable for**

- (A) Forests

- (B) Urban
areas

- (C) Hilly areas

- (D) Plains

**2. While measuring a chain line between two stations ‘**

*A’*and ‘*B’*intervened by a raised ground- (A) Vision
gets obstructed

- (B) Chaining
gets obstructed

- (C) Both
vision and chaining get obstructed

- (D) All the
above

**3. Mistakes which may produce a very serious effect upon the final results arise due to**

- (A) In
attention

- (B) In
experience

- (C) Carelessness

- (D) All
of these

**4. Number of links per metre length of a chain are**

- (A) 2

- (B) 5

- (C) 7

- (D) 10

**5. Offsets are measured with an accuracy of 1 in 40. If the point on the paper from both sources of error (due to angular and measurement errors) is not to exceed 0.05 cm on a scale of 1 cm = 20 m, the maximum length of offset should be limited to**

- (A) 14.14 m

- (B) 28.28 m

- (C) 200 m

- (D) None of
these

**6. The 'point of curve' of a simple circular curve, is**

- (A) Point
of tangency

- (B) Point
of commencement

- (C) Point
of intersection

- (D) Mid-point
of the curve

**7. Prolongation of chain line across an obstruction in chain surveying, is done by**

- (A) Making
angular measurements

- (B) Drawing
perpendiculars with a chain

- (C) Solution
of triangles

- (D) All the
above

**8. Resolving power of a telescope depends on**

- (A) The diameter
of the aperture

- (B) The pupil
aperture of the eye

- (C) The diameter
of the object glass

- (D) All
the above

**9.**

*ABCD*is a regular parallelogram plot of land whose angle*BAD*is 60°. If the bearing of the line*AB*is 30°, the bearing of*CD*, is- (A) 90°

- (B) 120°

- (C) 210°

- (D) 270°

**10. Pick up the correct statement from the following:**

- (A) If
the image of the object does not fall on the plane of the cross-lines, parallax
exists

- (B) Parallax has
nothing to do with the eyepiece

- (C) The eyepiece
is adjusted for clear vision of the cross hairs

- (D) All
the above

**11. The Huygens telescope eye piece**

- (A) Is
aplanatic

- (B) Achromatic

- (C) Both (a) and
(b)

- (D) Neither (a)
nor (b)

**12. 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'

**13. For a curve of radius 100 m and normal chord 10 m, the Rankine's deflection angle, is**

- (A) 0°25'.95

- (B) 0°35'.95

- (C) 1°25'.53

- (D) 2°51'.53

**14. The reduced bearing of a line is**

*N*87°*W*. Its whole circle bearing is- (A) 87°

- (B) 273°

- (C) 93°

- (D) 3°

**15. While surveying a plot of land by plane tabling, the field observations**

- (A) And
plotting proceed simultaneously

- (B) And
plotting do not proceed simultaneously

- (C) And
recorded in field books to be plotted later

- (D) All
the above

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