decreases increases remains unaffected none of the above
Answer Discuss in Comment
has no effect on curvature correction adds to the curvature correction completely eliminates curvature correction partially eliminates curvature correction
more accurate than rise and fall method less accurate than rise and fall method quicker and less tedious for large number of intermediate sights none of the above
concave Plano-convex convex plano-concave
error due to curvature only error due to refraction only error due to both curvature fraction none of the above
much closer to the eye-piece than to the objective lens anywhere between eye-piece and objective lens much closer to the objective lens than to the eye piece midway between eye piece and objective lens
to support the main part of the instrument to attach the theodolite to the tripod to provide a means for levelling the theodolite none of the above
the diameter of lower plate the diameter of upper plate the diameter of vertical circle the length of telescope
measurement of vertical angles only measurement of both horizontal and vertical angles measurement of horizontal angles only tightening the capstan-headed nuts of level tube
reversing transiting plunging swinging
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