Sheet Metal Final

157問 • 11ヶ月前

Miles T.

通報

問題一覧

If you add the flats and bend allowances of a sheet metal drawing, what measurement do you end up with?

Total Developed Width

The identifying marks on the heads of aluminum alloy rivets indicate the

specific alloy used in the manufature of the rivets

What is the minimum edge distance for universal head aircraft rivets?

two times the diameter of the rivet shank

What is the bend radius?

.25

What is the setback? formula: K(R+T)

.502

What is flat 1? Length - Setback

2.998

What is the measure of flat 2. Length - setback

2.498

What is the bend allowance of this object

.424

What is the total developed width?

5.92

When fabricating sheet metal pieces, what fastener should you use to hold the pieces together after drilling a hole?

clecos

In the part number MS20246AD-5-5, the length of the rivet is

.3125

After a solid rivet has been driven, the formed shop head should have a height of m

.5D

If a row of rivets has a pitch of 1” what would the standard transverse pitch be?

3/4”

Which of the following does need to be considered when determining minimum rivet spacing?

rivet length

Which drill bit would you use for a 470AD-4-4 rivet hole?

#30

Which rivets should be selected to join two sheets of 0.32 inch aluminum?

MS20470AD-4-4

A DD rivet is heat transfered before use to

soften to facilitate riveting

When determine needed rivet length, what would you add together

grip length and shop head requirement

What tool do you use when driving rivets with a rivet gun?

bucking bar

You need to install a flush rivet in a sheet of .025 aluminum. Which of the below tools would you use to prepare the hole for riveting?

rivet squeegee with a dimple die

What is the bend radius

.125

What is the setback

.176

What is the flat 1?

2.324

What is the flat 2

2.574

What is the bend allowance?

.236

What is the total TDW

5.13

A well designed rivet joint will subject the rivets to

shear loads

What is the purpose of refrigerating 2017 and 2024 aluminum alloy rivets after heat treatment?

to retard age hardening

What is the grip length of the flush rivet

What size drill bit would you use for installing an AN470AD3-4 rivet?

#40 bit

Rivet pitch is the distance between the

centers or adjacent rivers in the same row

After working metal for a bit it becomes hard and difficult to work. To further work the metal it will be necessary to _____ it.

anneal

Which rivet is pure aluminum

1100

The length of a rivet to be used to join a sheet of .032 inch and a .064 inch aluminum alloy should be equal to

one and a half times the rivet diameter plus .096 inch

A rivet with a part number of AN470 AD-4-4 is what type of rivet?

universal standard head

What is the minimum spacing for a single row of protruding head aircraft angles?

three times the diameter of the rivet shank

What is the fastener shown

hi lock

When laying out sheet metal for drilling holes your normally use what tool before drilling

center punch

How many MS20470AD-4-6 rivets will be required to attach a 10”x5” plate using a single row of rivets, minimum edge distance, and 4D SPACING

What is the fastener shown

chery max rivet

Which procedure is correct when using a reamer to finish a drilled hole to correct size?

turn the reamer only in the cutting direction

Aircraft structural units such as spars, engine supports, etc., which have been built up from sheet metal are normally

repairable using approved methods

The sharpest bended that can be placed in a piece of metal without critically weakening The part is called the

minimum radius of bend

What is the dimension of F?

5.936

Which of the rivets shown will accurately fit the conical expression made by a 100 countersink?

When drilling stainless steel the drill used should have an included angle of

140 and turn at a low speed

The amount of material required to make the 90 bend is? (Bend allowance)

.3436 inch

The aluminum alloys used in aircraft construction are usually hardened by which method?

heat treatment

When comparing the Machining techniques for stainless steel sheet material to those for aluminum alloy sheet, It is normally considered good practice to drill the stainless steel at a

lower speed with more pressure applied to the drill

When a piece of aluminum alloy is to be bent using a minimum radius for the type and thickness of material,

the layout should be made so that the bend will be 90 to the grain of the sheet

Which is correct concerning the use of a file?

apply pressure on the forward stroke, only except when filing very soft metals such as lead or aluminum

Repairs or splices invoking stringers on the lower surface of stressed skin metal wings are usually

permitted but are normally more critical in reference to strength in tension than similar repairs to the upper surface

A piece of flat stock that is to be bent to a closed angle of 15 must be bent though an angle of

165

If a streamline cover Plate is to be hand form, using a form block a piece of dead soft aluminum should be first placed over the hollow portion of the mold and securely fasten in place. The bumping operation should be

started by tapping the aluminum lightly around the edges and gradually working down into the center

The primary alloying agent of 2024-T36 is indicated by the number

When repairing a small hole on a metal stressed skin, the major consideration in the design of the patch should be

the shear strength of the riveted joint

Shallow scratches in sheet metal may be repair

burnishing

On a sheet metal fitting layout with a single bend, allow for stretching by

subtracting the setback from both legs

Determine the flats of the layout

a=.748 b=1.496 c=1.248

Unless Otherwise specified the radius of a bend is the

Inside radius of the metal being formed

What is the length of A?

3.7

What should be the included angle of a twist drill for hard metal?

118

You can distinguish between aluminum and aluminum alloy by

testing with a 10 percent solution of caustic soda

The Sight line on a sheet metal flat layout to be bent in a cornice or box brake is measured and marked

one radius from the bend tangent line that is placed under the brake

Clad aluminum alloys are used in aircraft because they

Are less subject to corrosion than uncoated aluminum alloys

What is the flat layout dimension

6.8 inches

A piece of sheet metal is bent to a certain radius: the curvature of the bend is referred to as the

bend radius

If it is necessary to compute a bend allowance problem and bend allowance tables are not available, the neutral axis of the bend can be

Found by adding approximately 1/2 of the stock thickness to the bend radius

When straightening members made of 2024 – T4, you should

straight cold and reinforce

The most important factors needed to make a flat pattern layout are

radius; thickness, degree of bend

Select the preferred drawing for proper countersinking

The flat layout or blank length of a piece of metal from which a simple L shaped bracket 3” x 1” to be bent depends upon the radius of the desired bend. The bracket which Will require the greatest amount of material is one which has a bend radius of

1/2 inch

When fabricating parts from Aka 2024 – T3 aluminum sheet stock

all scratches, kinks, tool marks, nicks; etc must be held to a minimum

What is the dimension of D?

4.182

Select the alternative which best describes the function of the flute section of a twist drill

Formed the cutting edges of the drill point

What is the length of FLAT a

3.750

What should be the included angle of a twist drill for soft metals?

A well designed rivet joint will subject the rivets to

shear loads

What is the dimension of D

4.182

Select the alternative which best describes the function of the flute section of a twist drill

Forms the cutting edges of the drill point

Which is the force that tries to pull two sheets apart

tension

When removing a damaged section on a stringer, the best saw to use is

kett saw

Which shears have an upper cutting blade that is stationary while the lower blade is movable?

scroll shears

We needing to quickly remove corners from sheet metal. The best tool to use is a.

notcher

The hand, cutting tools that have colored handles to identify the direction of the cuts are

aviation snips

When drilling in tough metals like corrosion resistant still in titanium, which drillbit would be used

cobalt alloy drill bits

What is indicated by black smoky reside streaming back from some of the rivets on AC

fretting corrosion occurs between between rivets and the skin

What is the minimum edge distance for aircraft rivets

two dimes the diameter of the rivet shank

Which of the following g need to be considered when determining rivet spacing?

rivet length

The shop head of a rivet should be

one and a half times the diameter of the rivet shank

How many MS20470 AD-4-6 rivets will be required to attach a 10x15 plate using a single row of rivets, minimum edge distance, and 4d spacing?

The length of rivet to be chosen when making a structural repair that involves the joining of 0. 032 inch and 0.064 inch aluminum sheet drilled with a number 30 drill bit is

5/16

The length of a rivet to be used to join a sheet of .032 and .064 inch aluminum alloys should be equal to

one and one half times the rivet diameter plus .096 inch

A sheet repair is to be made using two pieces of .0625 inch aluminum riveted together. All rivet holes are drilled for 1/8 inch rivets. The Length of the rivets to be used is

5/16 inch

A sheet metal repair is to be made using two pieces of .040 inch aluminum riveted together. All rivet holes are drilled for 3/32 inch rivets. The length of the rivets to be used will be

1/4 inch

What is the dimension for C?

1/16

What is the dimension for B

.1875

What is the dimension for A

.1875

If replacing a rivet with lesser strength material than the original, which must be done to compensate?

the next size up in diameter must be used

100

To allow for rivet repair ability which of the below should be done considering minimum edge distance?

add 1/16 to minimum edge Distance

ATE 103 - Q1

ATE 103 - Q1

ATE MULTIPLE Choice

ATE MULTIPLE Choice

ATE MULTIPLE Choice

ATE MULTIPLE Choice

final

final

Heat Treatment Test

Heat Treatment Test

ate 109 materials and processes

Miles T. · 90問 · 1年前

ate 109 materials and processes

ATE 101 FINALE

ATE 101 FINALE

worksheet one

worksheet one

Test 3reezy

Miles T. · 61問 · 11ヶ月前

Test 3reezy

61問 • 11ヶ月前

Miles T.

問題一覧

If you add the flats and bend allowances of a sheet metal drawing, what measurement do you end up with?

Total Developed Width

The identifying marks on the heads of aluminum alloy rivets indicate the

specific alloy used in the manufature of the rivets

What is the minimum edge distance for universal head aircraft rivets?

two times the diameter of the rivet shank

What is the bend radius?

.25

What is the setback? formula: K(R+T)

.502

What is flat 1? Length - Setback

2.998

What is the measure of flat 2. Length - setback

2.498

What is the bend allowance of this object

.424

What is the total developed width?

5.92

When fabricating sheet metal pieces, what fastener should you use to hold the pieces together after drilling a hole?

clecos

In the part number MS20246AD-5-5, the length of the rivet is

.3125

After a solid rivet has been driven, the formed shop head should have a height of m

.5D

If a row of rivets has a pitch of 1” what would the standard transverse pitch be?

3/4”

Which of the following does need to be considered when determining minimum rivet spacing?

rivet length

Which drill bit would you use for a 470AD-4-4 rivet hole?

#30

Which rivets should be selected to join two sheets of 0.32 inch aluminum?

MS20470AD-4-4

A DD rivet is heat transfered before use to

soften to facilitate riveting

When determine needed rivet length, what would you add together

grip length and shop head requirement

What tool do you use when driving rivets with a rivet gun?

bucking bar

You need to install a flush rivet in a sheet of .025 aluminum. Which of the below tools would you use to prepare the hole for riveting?

rivet squeegee with a dimple die

What is the bend radius

.125

What is the setback

.176

What is the flat 1?

2.324

What is the flat 2

2.574

What is the bend allowance?

.236

What is the total TDW

5.13

A well designed rivet joint will subject the rivets to

shear loads

What is the purpose of refrigerating 2017 and 2024 aluminum alloy rivets after heat treatment?

to retard age hardening

What is the grip length of the flush rivet

What size drill bit would you use for installing an AN470AD3-4 rivet?

#40 bit

Rivet pitch is the distance between the

centers or adjacent rivers in the same row

After working metal for a bit it becomes hard and difficult to work. To further work the metal it will be necessary to _____ it.

anneal

Which rivet is pure aluminum

1100

The length of a rivet to be used to join a sheet of .032 inch and a .064 inch aluminum alloy should be equal to

one and a half times the rivet diameter plus .096 inch

A rivet with a part number of AN470 AD-4-4 is what type of rivet?

universal standard head

What is the minimum spacing for a single row of protruding head aircraft angles?

three times the diameter of the rivet shank

What is the fastener shown

hi lock

When laying out sheet metal for drilling holes your normally use what tool before drilling

center punch

How many MS20470AD-4-6 rivets will be required to attach a 10”x5” plate using a single row of rivets, minimum edge distance, and 4D SPACING

What is the fastener shown

chery max rivet

Which procedure is correct when using a reamer to finish a drilled hole to correct size?

turn the reamer only in the cutting direction

Aircraft structural units such as spars, engine supports, etc., which have been built up from sheet metal are normally

repairable using approved methods

The sharpest bended that can be placed in a piece of metal without critically weakening The part is called the

minimum radius of bend

What is the dimension of F?

5.936

Which of the rivets shown will accurately fit the conical expression made by a 100 countersink?

When drilling stainless steel the drill used should have an included angle of

140 and turn at a low speed

The amount of material required to make the 90 bend is? (Bend allowance)

.3436 inch

The aluminum alloys used in aircraft construction are usually hardened by which method?

heat treatment

When comparing the Machining techniques for stainless steel sheet material to those for aluminum alloy sheet, It is normally considered good practice to drill the stainless steel at a

lower speed with more pressure applied to the drill

When a piece of aluminum alloy is to be bent using a minimum radius for the type and thickness of material,

the layout should be made so that the bend will be 90 to the grain of the sheet

Which is correct concerning the use of a file?

apply pressure on the forward stroke, only except when filing very soft metals such as lead or aluminum

Repairs or splices invoking stringers on the lower surface of stressed skin metal wings are usually

permitted but are normally more critical in reference to strength in tension than similar repairs to the upper surface

A piece of flat stock that is to be bent to a closed angle of 15 must be bent though an angle of

165

started by tapping the aluminum lightly around the edges and gradually working down into the center

The primary alloying agent of 2024-T36 is indicated by the number

When repairing a small hole on a metal stressed skin, the major consideration in the design of the patch should be

the shear strength of the riveted joint

Shallow scratches in sheet metal may be repair

burnishing

On a sheet metal fitting layout with a single bend, allow for stretching by

subtracting the setback from both legs

Determine the flats of the layout

a=.748 b=1.496 c=1.248

Unless Otherwise specified the radius of a bend is the

Inside radius of the metal being formed

What is the length of A?

3.7

What should be the included angle of a twist drill for hard metal?

118

You can distinguish between aluminum and aluminum alloy by

testing with a 10 percent solution of caustic soda

The Sight line on a sheet metal flat layout to be bent in a cornice or box brake is measured and marked

one radius from the bend tangent line that is placed under the brake

Clad aluminum alloys are used in aircraft because they

Are less subject to corrosion than uncoated aluminum alloys

What is the flat layout dimension

6.8 inches

A piece of sheet metal is bent to a certain radius: the curvature of the bend is referred to as the

bend radius

If it is necessary to compute a bend allowance problem and bend allowance tables are not available, the neutral axis of the bend can be

Found by adding approximately 1/2 of the stock thickness to the bend radius

When straightening members made of 2024 – T4, you should

straight cold and reinforce

The most important factors needed to make a flat pattern layout are

radius; thickness, degree of bend

Select the preferred drawing for proper countersinking

1/2 inch

When fabricating parts from Aka 2024 – T3 aluminum sheet stock

all scratches, kinks, tool marks, nicks; etc must be held to a minimum

What is the dimension of D?

4.182

Select the alternative which best describes the function of the flute section of a twist drill

Formed the cutting edges of the drill point

What is the length of FLAT a

3.750

What should be the included angle of a twist drill for soft metals?

A well designed rivet joint will subject the rivets to

shear loads

What is the dimension of D

4.182

Select the alternative which best describes the function of the flute section of a twist drill

Forms the cutting edges of the drill point

Which is the force that tries to pull two sheets apart

tension

When removing a damaged section on a stringer, the best saw to use is

kett saw

Which shears have an upper cutting blade that is stationary while the lower blade is movable?

scroll shears

We needing to quickly remove corners from sheet metal. The best tool to use is a.

notcher

The hand, cutting tools that have colored handles to identify the direction of the cuts are

aviation snips

When drilling in tough metals like corrosion resistant still in titanium, which drillbit would be used

cobalt alloy drill bits

What is indicated by black smoky reside streaming back from some of the rivets on AC

fretting corrosion occurs between between rivets and the skin

What is the minimum edge distance for aircraft rivets

two dimes the diameter of the rivet shank

Which of the following g need to be considered when determining rivet spacing?

rivet length

The shop head of a rivet should be

one and a half times the diameter of the rivet shank

How many MS20470 AD-4-6 rivets will be required to attach a 10x15 plate using a single row of rivets, minimum edge distance, and 4d spacing?

The length of rivet to be chosen when making a structural repair that involves the joining of 0. 032 inch and 0.064 inch aluminum sheet drilled with a number 30 drill bit is

5/16

The length of a rivet to be used to join a sheet of .032 and .064 inch aluminum alloys should be equal to

one and one half times the rivet diameter plus .096 inch

A sheet repair is to be made using two pieces of .0625 inch aluminum riveted together. All rivet holes are drilled for 1/8 inch rivets. The Length of the rivets to be used is

5/16 inch

A sheet metal repair is to be made using two pieces of .040 inch aluminum riveted together. All rivet holes are drilled for 3/32 inch rivets. The length of the rivets to be used will be

1/4 inch

What is the dimension for C?

1/16

What is the dimension for B

.1875

What is the dimension for A

.1875

If replacing a rivet with lesser strength material than the original, which must be done to compensate?

the next size up in diameter must be used

100

To allow for rivet repair ability which of the below should be done considering minimum edge distance?

add 1/16 to minimum edge Distance