# Practice Test: Question Set - 17

**1. Pick up the correct statement from the following**

- (A) 1 second of
arc corresponds to a displacement ratio of 1:206, 300

- (B) 1 degree of
arc corresponds to a displacement ratio of 1:57

- (C) The
angular errors tend to propagate themselves along a traverse as the square root
of the number of stations

- (D) All the
above

**2. Planimeter is used for measuring**

- (A) Volume

- (B) Area

- (C) Contour
gradient

- (D) Slope
angle

**3. An ideal vertical curve to join two gradients, is**

- (A) Circular

- (B) Parabolic

- (C) Elliptical

- (D) Hyperbolic

**4. The bubble tube is nearly filled with**

- (A) Alcohol
or chloroform

- (B) A liquid
which is very mobile

- (C) A liquid
having low freezing point

- (D) All
the above

**5. Perpendicular offset from a tangent to the junction of a transition curve and circular curve is equal to**

- (A) Shift

- (B) Twice the
shift

- (C) Thrice the
shift

- (D) Four times
the shift

**6. Determining the difference in elevation between two points on the surface of the earth, is known as**

- (A) Levelling

- (B) Simple
levelling

- (C) Differential
levelling

- (D) Longitudinal
levelling

**7. If arithmetic sum of latitudes of a closed traverse is ‘**

*ƩL’ at*and closing error in latitude is ‘*dx’*, the correction for a side whose latitude is ‘*l’*, as given by Transit Rule, is- (A)

*l*×

*(*

*dx/Ʃ Lat*)

- (B)

*l*×

*(*

*Ʃ Lat/dx*)

- (C)

*Ʃ Lat*×

*(*

*dx/l*)

- (D) None of
these

**8. In case of reduction of levels by the height of instrument method,**

- (A) Ʃ B.S. - Ʃ
F.S. = difference in R.L.S of the first station and last station

- (B) Ʃ (R.L. + I
+ F.S.) - first R.L = Ʃ (H.I. + No. of R.L.s.)

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

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

**9. The distance between terminal points computed from a subsidiary traverse run between them, is generally known, as**

- (A) Traverse leg

- (B) A base

- (C) Traverse
base

- (D) All the
above

**10. The bearing of line**

*AB*is 152° 30' and angle*ABC*measured clockwise is 124° 28'. The bearing of*BC*is- (A) 27° 52'

- (B) 96° 58'

- (C) 148° 08'

- (D) 186° 58'

**11. The limiting length of an offset does not depend upon**

- (A) Accuracy of
the work

- (B) Method
of setting out perpendiculars

- (C) Scale
of plotting

- (D) Indefinite
features to be surveyed

**12. Which one of the following procedures for getting accurate orientation is the most distinctive feature of the art of plane tabling?**

- (A) Radiation

- (B) Intersection

- (C) Traversing

- (D) Resection

**13. In a closed traverse, sum of south latitudes exceeds the sum of north latitudes and the sum of east departures exceeds the sum of west departures, then, the closing line will lie in**

- (A) North-west
quadrant

- (B) North-east
quadrant

- (C) South-east
quadrant

- (D) South-west
quadrant

**14. If the declination of the needle is 10° W**

- (A) Each of the
whole circle reckoning has to be micros by 10°

- (B) In
the quadrantal method, the correction is positive in the 1st and 3rd quadrants

- (C) In
the quadrantal method, the corrections is negative in 2nd and 4th quadrants

- (D) All the
above

**15. The most reliable method of plotting a theodolite traverse, is**

- (A) By
consecutive co-ordinates of each station

- (B) By
independent co-ordinates of each station

- (C) By plotting
included angles and scaling off each traverse leg

- (D) By the
tangent method of plotting

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