Deck 12: Tolerancing

Question 1

An internal member fits in an external member and always leaves a space or clearance between the parts is:

A) Nominal size
B) Clearance fit
C) Transition fit
D) Selective assembly
E) Interference fit

Answer 1

Clearance fit

Question 2

The preferred tolerance specification method that identifies the maximum and minimum limits.

A) General tolerances
B) Basic hole system
C) Basic shaft system
D) Limit dimensioning
E) Plus-or-minus dimensioning

Answer 2

Limit dimensioning

Question 3

The difference between the permitted minimum and maximum sizes of a part is referred to as:

A) Lower deviation
B) Basic size
C) Reference dimension
D) Interference fit
E) Tolerance

Answer 3

Tolerance

Question 4

-In the following tolerance symbol, which part is the datum reference?

A) A
B) B
C) C
D) D
E) E

Question 5

-In the previous tolerance symbol, the part identified by D indicates:

A) Concentricity
B) Material condition
C) Symmetry
D) Circularity
E) Surface profile

Question 6

The dimensioning tolerance system that allows variations in only one direction from the hole size describes the ________________________.

Question 7

13. Of the letter symbols that identify the five types of fits, LN is the symbol for what?_____________________________

Question 8

When intermediate dimensions are held to a specific condition and the overall dimension may or may not be affected, the overall dimension is referred to as a _________________ dimension.

Question 9

The relationship of the tolerance to the basic size is referred to as the _______________________.

Question 10

Neatly draw the surface texture symbol indicated material removal prohibited. ______________

Question 11

The indispensable tool for defining parts and features accurately is _________________________.

Question 12

RFS means ______________________________________.

Question 13

Tolerance grades should be as course as possible and still permit satisfactory use of the part.

Question 14

The symbol for Shrink Fits is FN.

Question 15

The symbol for concentricity is a circle with a cross locating the center.

Question 16

The surface texture symbol "M" indicates lay multidirectional.

Question 17

The abbreviation MMC stands for "maximum material condition."

Question 18

The preferred method of expressing tolerances is the Plus-or-Minus system.