Materials Science and Manufacturing Engineering Miscellaneous
- A straight edge is inspected on a coordinate measuring machine. The readings obtained at intervals of 100 mm along the top edge are 100.1, 100.5 and 100.4 mm. The straightness error, making the end points as reference is...
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(y - 100.1) = 0.3 (x - 100) 200
at x = 200 y = 100.25mm
Error = y – 100.5 = 0.25mmCorrect Option: A
(y - 100.1) = 0.3 (x - 100) 200
at x = 200 y = 100.25mm
Error = y – 100.5 = 0.25mm
- The diameter of the best wire to measure the effective diameter of metric screw threads of 0.5 mm pitch is.... mm
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P = 0.5
dw = 0.5 × Sec30° 2
dw = 0.28mmCorrect Option: A
P = 0.5
dw = 0.5 × Sec30° 2
dw = 0.28mm
- The skid in a stylus type roughness measuring instrument is used to provide... A.... and define .... B.... geometrical profile of the surface.
A. support/datum
B. micro/macro
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A. Datum
B. MacroCorrect Option: C
A. Datum
B. Macro
- In mass manufacturing, two holes in a plate type of component are ideally located with the help of
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NA
Correct Option: A
NA
- Which of the following powder production methods produces spongy and porous particles?
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NA
Correct Option: B
NA