Tests of Metrology

Axial  play  is   freedom   of  spindle   movement  in  axial   direction  :-

What is the least count of micrometer:-

Calculate CLA value of roughness for a graph, having 100 horizontal magnification and 10000 vertical magnification for a sampling length of 1.2 mm. The areas above the datum line are 100 mm², 120 mm², 140 mm², 40 mm² and below the datum line are 80 mm², 40 mm², 150 mm², 90 mm².

When tolerance is given  one side of  basic dimension  it is called:-

Process of wringing in slip gauge is due to:-

End standard does not have  parallax error:-

Sensing   element  in the thermometer  must provide :-

Method  of  image   processing   and analysis is   called mathematical  morphology ;-

What is  tool  thickness :-

Which principle is used to measure distance in electronic comparator?

Breaking  down    a  whole  group   into  smaller  sub groups  is  called   the  stratification  of  information:-

______ is not a recommended  set gauge of a metric unit:-

What is  the  tolerance  on   flatness  for  Type  A   optical  flats  of  siezes  up  to  100  mm :-

Up to which inclination sine center can be used:-

Flanks  of  the  thread  connect  the  crest  with  the  roots :-

How  many  pads  are  included  for  use under  the  foot  screw in levelling   base  of  autocollimator :-

A control system working under unknown  random  actions is called;-

Wringing of a slip gauge is used in:-

Which is not used in the making of the sine bar:-

What is error of circularity?

In v-shape method, the minor diameter of thread is given by

The following term(s) is (are) associated with measuring devices

According  to  caliper  principle  , complete  circular  division of a  circle  must  be  equal  to  which angle :-

The intermediate  stage of an instrument is used to ;-

What  is  another  name   of  computer  aided  inspection:-