Surveying(Engineering > Civil Engineering ) Questions and Answers

Question 1. If 16 flight lines are run perpendicular to an area 30 km wide, their spacings on a photographical map on scale 1 : 50,000 , will be
  1.    1 cm
  2.    2 cm
  3.    3 cm
  4.    4 cm
Explanation:-
Answer: Option D. -> 4 cm
Question 2. Which of the following methods of contouring is most suitable for a hilly terrain?
  1.    Direct method
  2.    Square method
  3.    Cross-sections method
  4.    Tachometric method
Explanation:-
Answer: Option D. -> Tachometric method
Question 3. For a tacheometer the additive and multi-plying constants are respectively
  1.    0 and 100
  2.    100 and 0
  3.    0 and 0
  4.    100 and 100
Explanation:-
Answer: Option A. -> 0 and 100
Question 4. The angle between the plane of the equator and the plane of the ecliptic, is known as obliquity of the ecliptic and its value is
  1.    22° 30'
  2.    23° 27'
  3.    23° 30'
  4.    24° 0'
Explanation:-
Answer: Option B. -> 23° 27'
Question 5. The size of a plane table is
  1.    750 mm × 900 mm
  2.    600 mm × 750 mm
  3.    450 mm × 600 mm
  4.    300 mm × 450 mm
Explanation:-
Answer: Option B. -> 600 mm × 750 mm
Question 6. From the principal point the horizon point lies on the principal line at a distance of
  1.    f tan θ
  2.    f sin θ
  3.    f cot θ
  4.    f cos θ
Explanation:-
Answer: Option A. -> f tan θ
Question 7. If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167°, the magnetic declination at that place is
  1.    77° N
  2.    23° S
  3.    13° E
  4.    13° W
Explanation:-
Answer: Option C. -> 13° E
Question 8. Overturning of vehicles on a curve can be avoided by using
  1.    compound curve
  2.    vertical curve
  3.    reverse curve
  4.    transition curve
Explanation:-
Answer: Option D. -> transition curve
Question 9. The error due to eccentricity of inner and outer axes can be eliminated by
  1.    reading both verniers and taking the mean of the two
  2.    taking both face observations and taking the mean of the two
  3.    double sighting
  4.    taking mean of several readings distributed over different portions of the graduated circle
Explanation:-
Answer: Option A. -> reading both verniers and taking the mean of the two
Question 10. The Polaris remains below horizon at
  1.    10° N
  2.    50° N Latitude
  3.    Equator
  4.    5° S latitude
Explanation:-
Answer: Option D. -> 5° S latitude
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