Deck 14: INCH Fits

Question 1

In the basic hole system, the basic size is the design size for the hole and the tolerance will be ____.

A) zero
B) plus or minus
C) minus
D) plus

Answer 1

D

Question 2

Locational transition fits are a compromise between clearance and interference fits.

Answer 2

True

Question 3

An LN3 fit is a locational transition fit.

Answer 3

False

Question 4

When either a clearance or interference fit may result between mating parts, the type of fit is called a(n) ____________________ fit.

Question 5

Fits intended only to determine the position of mating parts are called locational fits.

Question 6

A type of fit in which there is never clearance between mating parts is a(n) _________________________ fit.

Question 7

Running and sliding fits represent a special type of ____________________ fit.

Question 8

In a fit designated as RC7S, the S stands for ____.

A) basic shaft system
B) basic hole system
C) standard fit
D) sliding fit

Question 9

When maximum clearance is achieved in a clearance fit, the shaft will be at its ____ size.

A) maximum
B) average
C) minimum
D) transition

Question 10

Force and shrink fits represent a special type of transitional fit.

Question 11

Fits are of three general types: clearance, interference and ____________________.

Question 12

A type of fit in which there is always space between mating parts is a(n) ____ fit.

A) interference
B) clearance
C) transitional
D) locational

Question 13

A drive or force fit is a type of transitional fit.

Question 14

When maximum interference is achieved in a force fit, the hole will be at its ____ size.

A) average
B) maximum
C) minimum
D) preferred

Question 15

The general term used to signify the range of tightness or looseness resulting from the application of a specific combination of allowances and tolerances in the design of mating parts is ____________________.