Question 1

The degree of roughness allowed on a machined surface is:

Accepted Answer

A) Waviness 
B) Roughness width cutoff 
C) Surface texture 
D) Flaws 
A) Waviness 
B) Roughness width cutoff 
C) Surface texture 
D) Flaws C

Question 2

Surface control should be applied to every surface on a part

Accepted Answer

A) True 
 B)False  False

Question 3

Cold rolling produces a smoother surface roughness than hot rolling.

Accepted Answer

A) True 
 B)False  True

Question 4

The instrument used to measure roughness height is a profilometer.

Accepted Answer

A) True 
 B)False

Question 5

The predominant direction of surface roughness is called:

Accepted Answer

A) Waviness 
B) Lay 
C) Roughness 
D) Roughness width 
A) Waviness 
B) Lay 
C) Roughness 
D) Roughness width

Question 6

The larger undulations of a surface that lie below the surface roughness marks is called:

Accepted Answer

A) Lay 
B) Roughness 
C) Roughness height 
D) Waviness 
A) Lay 
B) Roughness 
C) Roughness height 
D) Waviness

Question 7

An ISO "N6" roughness is comparable to:

Accepted Answer

A) 16 microinches 
B) 32 microinches 
C) 63 microinches 
D) 125 microinches 
A) 16 microinches 
B) 32 microinches 
C) 63 microinches 
D) 125 microinches

Question 8

A surface roughness microinch measurement of "125" represents:

Accepted Answer

A) A surface that is rougher than a surface whose roughness is "63" 
B) A surface that is not as rough as a surface whose roughness is "63" 
A) A surface that is rougher than a surface whose roughness is "63" 
B) A surface that is not as rough as a surface whose roughness is "63"

Question 9

When both minimum and maximum roughness are specified:

Accepted Answer

A) The minimum limit is placed on top 
B) The maximum limit is placed on top 
C) The minimum roughness should be ignored 
A) The minimum limit is placed on top 
B) The maximum limit is placed on top 
C) The minimum roughness should be ignored

Question 10

The arithmetical average of the deviation from the mean line is called:

Accepted Answer

A) Waviness 
B) Roughness height 
C) Roughness width 
A) Waviness 
B) Roughness height 
C) Roughness width

Question 11

The surface characteristic that is most often regarded as critical is:

Accepted Answer

A) Lay 
B) Roughness height 
C) Roughness width 
A) Lay 
B) Roughness height 
C) Roughness width

Question 12

Surface texture symbols should:

Accepted Answer

A) Be shown for every surface on a part 
B) Be repeated in adjacent views of the same surface 
C) Be expressed in the SI metric system to ensure the best control 
D) Only appear once on a drawing for each surface that is controlled by a surface texture symbol 
A) Be shown for every surface on a part 
B) Be repeated in adjacent views of the same surface 
C) Be expressed in the SI metric system to ensure the best control 
D) Only appear once on a drawing for each surface that is controlled by a surface texture symbol

The degree of roughness allowed on a machined surface is:

Surface control should be applied to every surface on a part

Cold rolling produces a smoother surface roughness than hot rolling.

The instrument used to measure roughness height is a profilometer.

The predominant direction of surface roughness is called:

The larger undulations of a surface that lie below the surface roughness marks is called:

An ISO "N6" roughness is comparable to:

A surface roughness microinch measurement of "125" represents:

When both minimum and maximum roughness are specified:

The arithmetical average of the deviation from the mean line is called:

The surface characteristic that is most often regarded as critical is:

Surface texture symbols should:

Industrial Drawings

Title Blocks

Lines and Symbols

Pictorial Sketching

Orthographic Projection

Three-View Drawings

Two-View Drawings

One-View Drawings

Auxiliary Views

Section Views

Dimensions and Tolerances

Decimal Dimensions and Tolerances

Dimensioning Holes, Keyways, and Keyseats

Dimensioning Arcs and Radii

Hole Patterns and Revision Blocks

Angles, Dovetails, and Slots

Metric Dimensions and Tolerances

Machining Symbols, Bosses, and Pads

Tapers and Chamfers

Undercuts and Knurling

Screw Thread Specifications

Screw Thread Representation and Threaded Fasteners

Pipe Threads

Assembly Drawings

Welding Symbols

Geometric Tolerances - Datums

Geometric Tolerances - Location and Form

Filters

Exam 19: Surface Texture

The degree of roughness allowed on a machined surface is:

Surface control should be applied to every surface on a part

Cold rolling produces a smoother surface roughness than hot rolling.

The instrument used to measure roughness height is a profilometer.

The predominant direction of surface roughness is called:

The larger undulations of a surface that lie below the surface roughness marks is called:

An ISO "N6" roughness is comparable to:

A surface roughness microinch measurement of "125" represents:

When both minimum and maximum roughness are specified:

The arithmetical average of the deviation from the mean line is called:

The surface characteristic that is most often regarded as critical is:

Surface texture symbols should:

Industrial Drawings

Title Blocks

Lines and Symbols

Pictorial Sketching

Orthographic Projection

Three-View Drawings

Two-View Drawings

One-View Drawings

Auxiliary Views

Section Views

Dimensions and Tolerances

Decimal Dimensions and Tolerances

Dimensioning Holes, Keyways, and Keyseats

Dimensioning Arcs and Radii

Hole Patterns and Revision Blocks

Angles, Dovetails, and Slots

Metric Dimensions and Tolerances

Machining Symbols, Bosses, and Pads

Tapers and Chamfers

Undercuts and Knurling

Screw Thread Specifications

Screw Thread Representation and Threaded Fasteners

Pipe Threads

Assembly Drawings

Welding Symbols

Geometric Tolerances - Datums

Geometric Tolerances - Location and Form

Filters