Mechanical Measurement and Metrology (3141901) MCQs

MCQs of System of Limits, Fits, Tolerance and Gauging

Showing 1 to 10 out of 69 Questions
1 2 3 4 5 6
1.
How many grades of tolerances does the ISO system of limits and fits specify?
(a) 12
(b) 8
(c) 18
(d) 25
Answer:

Option (c)

2.
In a shaft basis system, the upper deviation of the size of the shaft is ______.
(a) 1
(b) not related to size
(c) less than 0
(d) 0
Answer:

Option (d)

3.
In the hole and shaft pair designation of 40 H7/d9, the numbers 7 and 9 indicate ______.
(a) tolerance grade
(b) accuracy of manufacture
(c) ease of assembly
(d) none of the above
Answer:

Option (a)

4.
MML corresponds to the _______.
(a) higher limit of a hole and lower limit of the shaft
(b) lower limit of a hole and lower limit of the shaft
(c) higher limit of a hole and higher limit of the shaft
(d) lower limit of a hole and higher limit of the shaft
Answer:

Option (d)

5.
LML corresponds to the ______.
(a) higher limit of a hole and lower limit of the shaft
(b) lower limit of a hole and lower limit of the shaft
(c) higher limit of a hole and higher limit of the shaft
(d) lower limit of a hole and higher limit of the shaft
Answer:

Option (a)

6.
Limit gauges are used to ______.
(a) measure the flatness of the component
(b) measure the exact size of the component
(c) check if the component dimension lies within permissible limits
(d) measure surface roughness of the component
Answer:

Option (c)

7.
According to Taylor’s principle, GO gauges are designed to check ______.
(a) maximum metal condition
(b) minimum metal condition
(c) both of these
(d) none of these
Answer:

Option (a)

8.
The relationship that results between the two mating parts before assembly is called ______.
(a) tolerance
(b) allowance
(c) limit
(d) fit
Answer:

Option (d)

9.
What is equal to the differences between the two limits of size of the part?
(a) Tolerance
(b) Low limit
(c) High limit
(d) Design size
Answer:

Option (a)

10.
The surface texture depends to a large extent on ______.
(a) material composition
(b) type of manufacturing operation
(c) the skill of the operator
(d) accuracy of measurement
Answer:

Option (b)

Showing 1 to 10 out of 69 Questions
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