Which of the following option is true for scales and gratings? – McqOptions

MCQOPTIONS

1.	Which of the following option is true for scales and gratings?
A.	Ruling in scales are closely spaced
B.	Ruling in gratings is far apart
C.	Vernier device is required with scales
D.	Ruling in scale forms a periodic pattern
Answer» D. Ruling in scale forms a periodic pattern

Discussion

No Comment Found

Related MCQs

For bi-directional fringe counting, how many detectors are placed for better balance?
Which of the following is not true for glass scales?
Which of the following option is true for the given statements?Statement 1: Stainless steel has a high thermal coefficient of expansion than cast iron hence used to make scales.Statement 2: Most of the scales are produced by duplicating from master scale.
WHICH_OF_THE_FOLLOWING_IS_NOT_TRUE_FOR_GLASS_SCALES??$
For bi-directional fringe counting, how many detectors are placed for better balance?$
What is the condition to obtain fringes of high intensity?
For how much travel length, metal reflecting gratings are used?
Which type of visual scale line setting against an index is widely used in sophisticated machines?
What is the length of Prismatic grating?
Which of the following option is true for scales and gratings?