Explore topic-wise MCQs in Engineering Metrology.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Metrology knowledge and support exam preparation. Choose a topic below to get started.

1.

What is correct for the angle of autocollimators used for calibration of polygons?

A. Angle between autocollimators is equal to the nominal angle between adjacent faces
B. Angle between autocollimators is more than the nominal angle between adjacent faces
C. Angle between autocollimators is less than the nominal angle between adjacent faces
D. Angle between autocollimators is more or less to the nominal angle between adjacent faces
Answer» B. Angle between autocollimators is more than the nominal angle between adjacent faces
Discussion
2.

Which of the following is not true for comparison method used for calibration of polygons?

A. Identical polygons are used
B. Polygons are mounted one above the other
C. Polygons are mounted on the fixed table
D. Reflecting faces of both the polygons are viewed simultaneously
Answer» D. Reflecting faces of both the polygons are viewed simultaneously
Discussion
3.

Which of the following option is true for calibration of polygons by using auto-collimators?
Statement 1: Imperfect centering has a great effect on calibration.

A. nStatement 2: This method gives a high degree of accuracy without reference to any angular standard.
B. T, T
C. T, F
D. F, T
E. F, F
Answer» D. F, T
Discussion
4.

Which of the following is the correct option for given statements about calibration of polygons?
Statement 1: Autocollimators angle is constant during calibration.

A. nStatement 2: Wild rotary table can be used as the base of precision polygons.
B. F, F
C. T, T
D. F, T
E. T, F
Answer» C. T, T
Discussion