In order to measure a horizontal angle more accurately than a vernier, a

Related MCQs

• In a retrograde vernier, the smallest division of a vernier is
• In a direct vernier, the smallest division of a vernier is
• If x is the smallest division on the main scale and n are the number of divisions on the vernier, then the least count of the vernier is
• With a simple vernier, readings can be taken in one direction only.
• A scale used for measuring fractional parts of the smallest division of the main scale is known as vernier scale.
• The deflection angle for any chord is equal to the deflection angle for the proceeding chord minus the tangential angle for that chord.
• In order to fix up the directions of the survey lines in the compass survey, the horizontal angle between the survey line and a fixed line of reference is measured. This fixed line reference is the magnetic meridian.
• If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the
• The horizontal angle between the true meridian and magnetic meridian at a place is called
• Which of the following errors is not eliminated by the method of repetition of horizontal angle measurement ?