Materials Science and Manufacturing Engineering Miscellaneous
- An experimental setup is planned to determine the taper of workpiece as shown in the figure. If the two precision rollers have radii 8 mm and 5 mm and the total thickness of slip gauges inserted between the rollers is 15.54 mm, the taper angle "θ" is
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tan θ = 6 5 + 8 + 15.54
θ = 12°Correct Option: D
tan θ = 6 5 + 8 + 15.54
θ = 12°
- Which one of the instrument is a comparator
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NA
Correct Option: D
NA
- The geometric tolerance that does not need a datum for its specification is
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Flat doesn’t Required initial Datum because it is departure from the three point considered plane.
Correct Option: D
Flat doesn’t Required initial Datum because it is departure from the three point considered plane.
Direction: In a three wire inspection of external thread of M16 × 2, the measurement over the wires was found to be 16.455 mm
- The effective pitch diameter of the thread is
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NA
Correct Option: A
NA
- The best wire size is
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dw 2 sec 30° = 1.155mm 2
Correct Option: A
dw 2 sec 30° = 1.155mm 2