Which of the following is not true for angle dekkor?
(a) It is a type of autocollimator
(b) It can be used as a comparator
(c) It is a more precise instrument than autocollimator
(d) It has a wide field of application without the operation of a micrometer
This question was addressed to me during an internship interview.
This question is from Optical Instruments for Angular Measurement in chapter Angular Measurement and Circular Division of Engineering Metrology