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  • Question

  • The point on the celestial sphere vertically below the observer's position, is called


  • Options
  • A. zenith
  • B. celestial point
  • C. nadir
  • D. pole.

  • Correct Answer
  • nadir 

    • Advanced Surveying problems

    Search Results

    • 1. Places having same latitude

    • Options
    • A. lie on the parallel of the latitude
    • B. are equidistant from the nearer pole
    • C. are equidistant from both the poles
    • D. are equidistant from the equator
    • E. all the above.
      • Discuss
    • 2. Perspective centre relates to

    • Options
    • A. parallel projection
    • B. orthogonal projection
    • C. central projection
    • D. none of these.
      • Discuss
    • 3. Pick up the correct statement from the following :

    • Options
    • A. Sidereal time at any instant is equal to the hour angle of the first point of Aries
    • B. Local sidereal time of any place is equal to the right ascension of its meridian
    • C. Sidereal time is equal to the right ascension of a star at its upper transit
    • D. All the above.
      • Discuss
    • 4. The latitude (?) of a place and the altitude (?) of the pole are related by

    • Options
    • A. ? = ?
    • B. ? = 90° - ?
    • C. ? = ? - 90°
    • D. ? = 180° - ?.
      • Discuss
    • 5. The shortest distance between two places measured along the surface of the earth, is

    • Options
    • A. length of the equator between their longitudes
    • B. length of the parallel between their longitudes
    • C. length of the arc of the great circle passing through them
    • D. none of these.
      • Discuss
    • 6. The ratio of elongations of a conical bar due to its own weight and that of a prismatic bar of the same length, is

    • Options
    • A.
    • B.
    • C.
    • D.
    • E.
      • Discuss
    • 7. The maximum twisting moment a shaft can resist, is the product of the permissible shear stress and

    • Options
    • A. moment of inertia
    • B. polar moment of inertia
    • C. polar modulus
    • D. modulus of rigidly.
      • Discuss
    • 8. The deflection due to couple M at the free end of a cantilever length L is

    • Options
    • A.
    • B.
    • C.
    • D.
      • Discuss
    • 9. The weakest section of a diamond riveting, is the section which passes through

    • Options
    • A. first row
    • B. second row
    • C. central raw
    • D. one rivet hole of end row.
      • Discuss
    • 10. A reinforced concrete beam is assumed to be made of

    • Options
    • A. homogeneous material
    • B. heterogeneous material
    • C. isotropic material
    • D. none of these.
      • Discuss

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