QUIZ 1
Q1.
How many basic classes of fits are there
a)
Two
b)
Three
c)
Four
Q2.
A ……… is one having limits of size defined such that a clearance
always results when mating parts are assembled.
a)
interference fit
b)
clearance
fit
c)
transition fit
Q3.
An ……… is one having
limits of size so prescribed that an interference always results when mating
parts are assembled.
a)
Interference
fit
b)
Clearance fit
c)
Transition fit
Q4.
The British Standards
System provides for ………. designated by capital letters A,B,C,D,
a)
21
types of holes
b)
16 types for holes and shafts
c)
28 types for holes and shafts
Q5.
In the British Standards
System each type of hole or shaft is provided with ………
a)
16
grades of accuracy
b)
20 grades of accuracy
c)
28 grades of accuracy
Q6.
In the ISO 286 standard ,the
system provides for
a)
21 types of holes
b)
28
types for holes and shafts
c)
16 types for holes and shafts
Q7.
In the ISO 286 standard, each
type of hole or shaft is provided with
a)
16 grades of accuracy
b)
20
grades of accuracy
c)
28 grades of accuracy
Q8.
In the ……….. of limits, the
holes are classified as Class A and Class B fits.
a)
early Newall hole based
system
b)
British Standards System
c)
ISO 286 standard system
Q9.
In the early Newall hole based
system of limits,
a)
Class
A holes are manufactured to a closer tolerance than are Class B holes
b)
Class B holes are
manufactured to a closer tolerance than are Class A holes
c)
Class A and Class B holes
are manufactured same tolerance
Q10. The upper and lower limits of the shaft, in ………, are always less
than those of the hole, so that the shaft moves easily within the hole
a)
an Interference Fit
b)
the transition Fit
c)
clearance
fit
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