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MCQs

Total Questions : 2015 | Page 3 of 202 pages
Question 21. Agate cap is fitted with a
  1.    cross staff
  2.    level
  3.    chain
  4.    prismatic compass
 Discuss Question
Answer: Option D. -> prismatic compass
Question 22. International Date Line is located along
  1.    Standard meridian
  2.    Greenwich meridian
  3.    Equator
  4.    180° longitude
 Discuss Question
Answer: Option D. -> 180° longitude
Question 23. The length of a chain is measured from
  1.    centre of one handle to centre of other handle
  2.    outside of one handle to outside of other handle
  3.    outside of one handle to inside of other handle
  4.    inside of one handle to inside of other handle
 Discuss Question
Answer: Option B. -> outside of one handle to outside of other handle
Question 24. The nautical mile is the length of
  1.    1 minute of latitude
  2.    1 minute of longitude
  3.    1 degree of latitude
  4.    1 degree of longitude
 Discuss Question
Answer: Option B. -> 1 minute of longitude
Question 25. If the equatorial distance between two meridians is 100 km, their distance at 60° latitude will be
  1.    1000 km
  2.    800 km
  3.    600 km
  4.    500 km
 Discuss Question
Answer: Option D. -> 500 km
Question 26. The scale of the photography taken from a height of 300 m, with a camera of focal length 15 cm, is
  1.    1 : 10,000
  2.    1 : 15,000
  3.    1 : 20,000
  4.    1 : 30,000
 Discuss Question
Answer: Option C. -> 1 : 20,000
Question 27. Which of the following is not the function of levelling head ?
  1.    to support the main part of the instrument
  2.    to attach the theodolite to the tripod
  3.    to provide a means for leveling the theodolite
  4.    none of the above
 Discuss Question
Answer: Option D. -> none of the above
Question 28. In an internal focussing type of telescope, the lens provided is
  1.    concave
  2.    convex
  3.    plano-convex
  4.    plano-concave
 Discuss Question
Answer: Option A. -> concave
Question 29. Local attraction in compass surveying may exist due to
  1.    incorrect levelling of the magnetic needle
  2.    loss of magnetism of the needle
  3.    friction of the needle at the pivot
  4.    presence of magnetic substances near the instrument
 Discuss Question
Answer: Option D. -> presence of magnetic substances near the instrument
Question 30. A Nautical mile is
  1.    One minute arc of the great circle passing through two points
  2.    One minute arc of the longitude
  3.    1855.109 m
  4.    All the above
 Discuss Question
Answer: Option D. -> All the above

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