Q. Find the altitude correction for semi-diameter which is having index error 25˚46ꞌ21ꞌꞌ and semi-diameter 0˚26ꞌ21ꞌꞌ.

View solution

Q. Determine the correction for refraction if the angle of azimuth is given as 62˚21ꞌ24ꞌꞌ.

View solution

Q. Determine the correction for parallax which has to be applied to 29˚42ꞌ31ꞌꞌ for obtaining altitude of the sun, which is given as 32˚41ꞌ15ꞌꞌ.

View solution

Q. Determine the corrected azimuth value if the azimuth is given as 54˚32ꞌ15ꞌꞌ having b = +23ꞌꞌ with vertical angle 29˚42ꞌ31ꞌꞌ.

View solution

Q. Which of the following is always subtractive?

View solution

Q. Apply correction for dip angle if the height of the observer at the sea level is given as 54m.

View solution

Q. Which of the following can be used to sight two different objects simultaneously?

View solution

Q. Sextant can be used to measure vertical angles.

View solution

Q. Which of the following is not a classification of sextant?

View solution

Q. Which of the following can justify the principle of sextant?

View solution

Q. Which of the following doesn’t serve as an optical requirement in case of sextant?

View solution

Q. Which classification of the sextant is used for navigation purposes?

View solution

Q. Which of the following instruments can be used for locating inaccessible points?

View solution

Q. Among the following, which doesn’t come under permanent adjustment of sextant?

View solution

Q. Which of the following need not to be changed in case of box sextant?

View solution

Q. If the index error is not large, error must be corrected.

View solution

Q. Which of the following indicates the use of Zenith telescope?

View solution

Q. Zenith telescope also known as __________

View solution

Q. Which of the following describes the usage of zenith telescope?

View solution

Q. Large zenith telescope is having a diameter of range ___________

View solution