Top 150+ Solved Metrology and Measurements MCQ Questions Answer
Q. What is the maximum permissible error for class I micrometers?
a. 0.002 mm
b. 0.004 mm
c. 0.008 mm
d. 0.016 mm
Q. rotation in universal micrometer?
a. dial indicator
b. slip gauges
c. control shaft
d. universal microscope
Q. Which of the following is true for the calibration of instruments?
a. in casting and fabrication shops the measurements made are of more precise nature as compared to those made in machine shop and tool room
b. periodical calibration is made for optical measuring instruments
c. there is no need of periodic calibration in universal microscope
d. preventive maintenance is not necessary for optical measuring instruments
Q. What is the permissible error in straight movement of longitudinal and transverse table in horizontal plane?
a. 0.002 mm
b. 0.003 mm
c. 0.004 mm
d. 0.005 mm
Q. What is the maximum permissible error in wear of centres?
a. 0.04 mm
b. 0.03 mm
c. 0.02 mm
d. 0.01 mm
Q. What is the least count of dial indicators which can be calibrated using passmeter?
a. 0.01 mm
b. 0.03 mm
c. 0.05 mm
d. 0.07 mm
Q. Which of the following is caused bycareless handling?
a. systematic error
b. gross error
c. random error
d. none of the mentioned
Q. What is the accuracy of present day co- ordinate measuring machine?
a. 10 microns
b. 5 microns
c. 2 microns
d. 1 micron
Q. What is the name of an element which uses inductive coupling?
a. inducto conduct
b. inductosyn
c. conductosyn
d. conducto induct
Q. Which principle is used in the three master guideways and probe location?
a. principle of dynamic design
b. principle of static design
c. principle of kinematic design
d. principle of effective design
Q. What is the cause of translational errors in CMM?
a. error in scale division
b. error in straightness
c. twisting error
d. roll error
Q. Which of the following is not related to the geometrical accuracy of CMM?
a. straightness of axes
b. squareness of axes
c. position accuracy
d. axial length measuring accuracy