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  • Question
  • In a spherical triangle ABC right angled at C, sin b equals to


  • Options
  • A. sin c sin B
  • B. cos c cos B
  • C. tan c tan B
  • D. sin c cos B
  • E. cos c sin B.

  • Correct Answer
  • sin c sin B 


  • Advanced Surveying problems


    Search Results


    • 1. The altitudes of a circumpolar star at culminations are 70° and 10°, both culminations being north of zenith. The declination of the star, is

    • Options
    • A. 80°
    • B. 70°
    • C. 60°
    • D. 50°
    • E. 40°.
    • Discuss
    • 2. The nautical mile is the length of

    • Options
    • A. 1 minute of latitude
    • B. 1 minute of longitude
    • C. 1 degree of latitude
    • D. 1 degree of longitude.
    • Discuss
    • 3. The great circle which passes through the zenith, nadir and the poles, is known as

    • Options
    • A. meridian
    • B. vertical circle
    • C. prime vertical
    • D. none of these.
    • Discuss
    • 4. The value of geo-centric parallax to be added to the observed altitude of sun is

    • Options
    • A. 9" cos ?
    • B. 9" sin ?
    • C. 9" tan ?
    • D. 9" cot ?.
    • Discuss
    • 5. Pick up the incorrect statement from the following. In a spherical triangle

    • Options
    • A. every angle is less than two right angles
    • B. sum of the three angles is equal to two right angles
    • C. sum of the three angles less than six right angles and greater than two right angles
    • D. if the sum of any two sides is ?, the sum of the angles opposite them is also ?
    • E. sum of any two sides is greater than the third.
    • Discuss
    • 6. The solar tidal force divided by lunar tidal force is

    • Options
    • A.
    • B.
    • C.
    • D. .
    • Discuss
    • 7. Pick up the correct statement from the following :

    • Options
    • A. the horizontal direction of the pole is called astronomical north.
    • B. the angle between the direction of true north and the direction of a survey line is called astronomical bearing
    • C. the astronomical bearing is generally called azimuth
    • D. all the above.
    • Discuss
    • 8. The sidereal day is the time interval between two successive upper transits of

    • Options
    • A. mean sun
    • B. first point of Aries
    • C. first point of Libra
    • D. the polar star
    • E. moon.
    • Discuss
    • 9. The angle between the observer's meridian and declination circle of a heavenly body, is known as

    • Options
    • A. hour angle
    • B. azimuth
    • C. right ascension
    • D. declination.
    • Discuss
    • 10. Pick up the correct statement from the following :

    • Options
    • A. Ursa Minor's remains always north of pole star
    • B. Polar star remains always north of Polaris
    • C. Polaris remains always north of Ursa Minor's
    • D. Ursa Minor's pole star and polaris are the names of the same star.
    • Discuss


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