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This set of Metrology and Measurements Multiple Choice Questions & Answers (MCQs) focuses on Metrology And Measurements Set 10
Q1 | What is the accuracy of present day co- ordinate measuring machine?
- 10 microns
- 5 microns
- 2 microns
- 1 micron
Q2 | What is the name of an element which uses inductive coupling?
- inducto conduct
- inductosyn
- conductosyn
- conducto induct
Q3 | Which principle is used in the three master guideways and probe location?
- principle of dynamic design
- principle of static design
- principle of kinematic design
- principle of effective design
Q4 | What is the cause of translational errors in CMM?
- error in scale division
- error in straightness
- twisting error
- roll error
Q5 | Which of the following is not related to the geometrical accuracy of CMM?
- straightness of axes
- squareness of axes
- position accuracy
- axial length measuring accuracy
Q6 | How many measurement parameters are considered in checking axes accuracy of straightness in CMM?
- 2
- 4
- 6
- 8
Q7 | How many reference gauges are measured for volumetric length measuring accuracy in CMM?
- 2
- 3
- 4
- 5
Q8 | Which of the following is true for trigger type probe system used in computer controlled CMM?
- bucking mechanism is a 2 point bearing
- current coordinate position stored when circuit is close
- contacts of point bearing arranged at 90 degree
- contacts of point bearing act as electrical micro switches
Q9 | What does the total number of pixels in the region defines?
- perimeter
- area
- intensity
- brightness
Q10 | What is the unit of compactness of a region?
- meter
- meter2
- no units
- meter-1
Q11 | For which of the following regions, compactness is minimal?
- rectangle
- square
- irregular
- disk
Q12 | Compactness is insensitive to orientation.
- true
- false
Q13 | Which of the following measures are not used to describe a region?
- mean and median of grey values
- minimum and maximum of grey values
- number of pixels alone
- number of pixels above and below mean
Q14 | We cannot use normalized area as one of the region descriptor.
- true
- false
Q15 | What is the study of properties of a figure that are unaffected by any deformation?
- topology
- geography
- statistics
- deformation
Q16 | On which of the following operation of an image, the topology of the region changes?
- stretching
- rotation
- folding
- change in distance measure
Q17 | Topological properties don’t depend on the distance measures.
- true
- false
Q18 | What is the Euler number of the image shown below?
- 0
- 1
- 2
- -1
Q19 | What is the Euler number of a region with polygonal network containing V,Q and F as the number of vertices, edges and faces respectively?
- v+q+f
- v-q+f
- v+q-f
- v-q-f
Q20 | What is the Euler number of the region shown in the figure below?
- 1
- -2
- -1
- 2
Q21 | The texture of the region provides measure of which of the following properties?
- smoothness alone
- coarseness alone
- regularity alone
- smoothness, coarseness and regularity
Q22 | Structural techniques deal with the arrangement of image primitives.
- true
- false
Q23 | Which of the following techniques is based on the Fourier transform?
- structural
- spectral
- statistical
- topological
Q24 | Who gave the fundamental principle of straightness measurement?
- bryan
- moire
- euler
- amedeo
Q25 | Which of the following represents the quality of straightness in precision engineering?
- spirit level
- straight edge
- autocollimator
- dial indicator