Engineering Metrology "22342" MCQ for MSBTE i-scheme | diploma [FULLY-SOLVED]

1. Maximum deviation in size of shaft or hole is known as
a) Tolerance
b) Fundamental deviation
c) Clearance
d) Interference
Answer: a
Clarification: 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
Answer: b
Clarification: 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
Answer: a
Clarification: 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
Answer: a
Clarification: 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
Answer: b
Clarification: 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
Answer: b
Clarification: 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
Answer: b
Clarification: 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
Answer: c
Clarification: 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
Answer: c
Clarification: 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
Answer: a
Clarification: When size of smallest hole is more than size of biggest shaft then it is clearance fit.

11. In an assembly of hole and shaft, smallest hole was having diameter of 49.98 mm and largest shaft was having diameter of 49.94 mm. Minimum clearance in mm will be
a) .08
b) .03
c) .001
d) .04
Answer: d
Clarification: Minimum clearance is the difference between size of smallest hole and size of biggest shaft. Maximum clearance is given by sum of size of biggest hole and smallest shaft.

12. In an assembly of hole and shaft, smallest shaft was having diameter of 49.98 mm and largest hole was having diameter of 50.14 mm. Maximum clearance in mm will be
a) 0.23
b) 0.26
c) 0.32
d) 0.12
Answer: b
Clarification: Maximum clearance is given by sum of size of biggest hole and smallest shaft. Minimum clearance is the difference between size of smallest hole and size of biggest shaft.

13. In an assembly of hole and shaft, largest shaft was having diameter of 50.18 mm and smallest hole was having diameter of 49.98 mm. Maximum interference in mm will be
a) 0.2
b) 0.3
c) 0.3
d) 0.1
Answer: a
Clarification: Maximum Interference is the difference between size of largest haft size and smallest hole size. Minimum interference is the difference between size of smallest shaft and size of biggest hole.

14. In an assembly of hole and shaft, minimum shaft diameter is 49.36 mm and maximum shaft diameter is 48.20 mm. It is an example of
a) Clearance fit
b) Interference fit
c) Transition fit
d) None of the mentioned
Answer: b
Clarification: When size of smallest shaft is more than size of biggest hole then it is
Interference fit. Maximum Interference is the difference between size of largest haft size and smallest hole size.

15. In an assembly of hole and shaft, smallest shaft was having diameter of 50.16 mm and largest hole was having diameter of 50.14 mm. Minimum interference in mm will be
a) 0.2
b) 0.3
c) 0.3
d) 0.1
Answer: a
Clarification: Minimum interference is the difference between size of smallest shaft and size of biggest hole. Maximum Interference is the difference between size of largest haft size and smallest hole size.

16. Maximum material limit of shaft is
a) Maximum diameter of hole
b) Maximum diameter of shaft
c) Smallest diameter of hole
d) Minimum diameter of shaft
Answer: b
Clarification: Maximum material limit of shaft is maximum diameter of shaft. Minimum material limit of shaft is minimum diameter of shaft.

17. Maximum material limit of hole is
a) Maximum diameter of hole
b) Maximum diameter of shaft
c) Smallest diameter of hole
d) Minimum diameter of shaft
Answer: c
Clarification: Maximum material limit of hole is smallest diameter of hole. Minimum material limit of hole is largest diameter of hole.

18. Minimum material limit of shaft is
a) Maximum diameter of hole
b) Maximum diameter of shaft
c) Smallest diameter of hole
d) Minimum diameter of shaft
Answer: d
Clarification: Minimum material limit of shaft is minimum diameter of shaft. Maximum material limit of shaft is maximum diameter of shaft.

19. Minimum material limit of hole is
a) Maximum diameter of hole
b) Maximum diameter of shaft
c) Smallest diameter of hole
d) Minimum diameter of shaft
Answer: c
Clarification: Minimum material limit of hole is largest diameter of hole. Maximum material limit of hole is smallest diameter of hole.

20. Allowance of hole and shaft assembly is equal to
a) Sum of maximum metal limit
b) Product of Maximum limit
c) Difference of maximum metal limit
d) None of the mentioned
Answer: c
Clarification: Allowance of hole and shaft assembly is equal to the difference of maximum metal limit.

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