# Manufacturing Engineering Questions & Answers – Metrology-1

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This set of Manufacturing Engineering Multiple Choice Questions & Answers (MCQs) focuses on “Metrology-1”.

1. Maximum deviation in size of shaft or hole is known as
a) Tolerance
b) Fundamental deviation
c) Clearance
d) Interference

Explanation: Tolerance is the maximum deviation in size of shaft or hole.

2. Nearest deviation between hole and shaft from the basic value is known as
a) Tolerance
b) Fundamental deviation
c) Clearance
d) Interference

Explanation: Tolerance is the maximum deviation in size of shaft or hole.

3. When size of the smallest hole is more than size of biggest shaft then it is
a) Clearance fit
b) Interference fit
c) Transition fit
d) None of the mentioned

Explanation: When size of the smallest hole is more than size of biggest shaft then it is clearance fit.

4. Value of minimum clearance is given by
a) Size of smallest hole – size of biggest shaft
b) Size of smallest hole + size of biggest hole
c) Size of smallest shaft – size of biggest shaft
d) None of the mentioned

Explanation: Minimum clearance is the difference between size of smallest hole and size of biggest shaft.

5. Value of maximum clearance is given by
a) Size of smallest hole – size of biggest hole
b) Size of smallest shaft + size of biggest hole
c) Size of smallest shaft – size of biggest shaft
d) None of the mentioned

Explanation: Maximum clearance is given by sum of size of biggest hole and smallest shaft.

6. When size of smallest shaft is more than size of biggest hole then it is
a) Clearance fit
b) Interference fit
c) Transition fit
d) None of the mentioned

Explanation: When size of smallest shaft is more than size of biggest hole then it is interference fit.

7. Value of maximum Interference is given by
a) Size of smallest hole – size of biggest shaft
b) Largest of shaft size hole – smallest hole size
c) Size of smallest shaft – size of biggest shaft
d) None of the mentioned

Explanation: Maximum Interference is the difference between size of largest haft size and smallest hole size.

8. Value of minimum interference is given by
a) Size of smallest hole – size of biggest hole
b) Size of smallest shaft + size of biggest hole
c) Size of smallest shaft – size of biggest hole
d) None of the mentioned

Explanation: Minimum interference is the difference between size of smallest shaft and size of biggest hole.

9. For manufacturing of a certain amount of hole, maximum hole size was found to be 50.14 mm and minimum hole size was found to be 49.98. Tolerance in mm will be
a) 0.12
b) 0.13
c) 0.16
d) 0.20

Explanation: Tolerance is the maximum deviation in size of shaft or hole.

10. In manufacturing of hole and shaft, maximum shaft diameter was 49.88 mm and minimum hole diameter was found to be 49.94 mm. It is a
a) Clearance fit
b) Interference fit
c) Transition fit
d) None of the mentioned

Explanation: When size of smallest hole is more than size of biggest shaft then it is clearance fit.

Sanfoundry Global Education & Learning Series – Manufacturing Engineering.

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