WOOD STRUCTURE

16問 • 1年前

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通報

問題一覧

Where is information found concerning acceptable species substitutions for wood materials used in aircraft repair?

AC 43. 13-1B

Which of the following conditions will determine acceptance of wood with mineral streaks?

Careful inspection fails to reveal any decay

Compression failures in wood aircraft structures are characterized by buckling of the fibers that appear as streaks on the surface

At right angles to the grain

Which statement concerning wood decay is correct?

Any form or amount of decay is not permitted

In cases of elongated boltholes in a wood spar or cracks in the vicinity of boltholes,

A new section of spar should be spliced in or the spar replaced entirely

Glue deterioration in wood aircraft structure is indicated

When a joint has separated and the glue surface shows only the imprint of the wood with no wood fibers clinging to the glue

The I-beam wooden spar is routed to

Reduce weight

Pin knot clusters are permitted in wood aircraft structure provided

They produce a small effect on grain direction

Which statement about wood decay is correct?

Decay is not acceptable in any form or amount

Any wooden member that has been overstressed is subject to which type of failure?

Compression failure

The cantilever wing uses

No external bracing

Laminated wood is sometimes used in the construction of highly stressed aircraft components. This wood can be identified by its

Parallel grain construction

Laminated wood spars may be substituted for solid rectangular wood spars

If the same quality wood is used in both

A faint line running across the grain of a wood spar generally indicates

Compression failure

When patching a plywood skin, abrupt changes in cross-sectional areas which will develop dangerous stress concentration should be avoided by using

Circular or elliptical patches

The strength of a well-designed and properly prepared wood splice joint is provided by the

Glue

airlaw

airlaw

pcar & afcar

pcar & afcar

new set

new set

human factor

human factor

human factor 2

human factor 2

Engine instrument system

ユーザ名非公開 · 54問 · 1年前

Engine instrument system

Propellers

Propellers

Propellers (2)

Propellers (2)

Induction and engine airflow system

ユーザ名非公開 · 42問 · 1年前

Induction and engine airflow system

42問 • 1年前

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Ignition starting system

ユーザ名非公開 · 100問 · 1年前

Ignition starting system

100問 • 1年前

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Ignition starting system (2)

ユーザ名非公開 · 29問 · 1年前

Ignition starting system (2)

Auxiliary power unit

Auxiliary power unit

Reciprocating engines

ユーザ名非公開 · 100問 · 1年前

Reciprocating engines

Turbine engines

Turbine engines

Turbine engines (2)

Turbine engines (2)

Fuel metering systems

ユーザ名非公開 · 98問 · 1年前

Fuel metering systems

98問 • 1年前

ユーザ名非公開

Aircraft landing gear system

ユーザ名非公開 · 79問 · 1年前

Aircraft landing gear system

79問 • 1年前

ユーザ名非公開

Sheetmetal & Non sheetmetalic structure

ユーザ名非公開 · 100問 · 1年前

Sheetmetal & Non sheetmetalic structure

100問 • 1年前

ユーザ名非公開

Sheetmetal and non sheetmetalic structure

ユーザ名非公開 · 30問 · 1年前

Sheetmetal and non sheetmetalic structure

Aircraft fuel system

Aircraft fuel system

問題一覧

Where is information found concerning acceptable species substitutions for wood materials used in aircraft repair?

AC 43. 13-1B

Which of the following conditions will determine acceptance of wood with mineral streaks?

Careful inspection fails to reveal any decay

Compression failures in wood aircraft structures are characterized by buckling of the fibers that appear as streaks on the surface

At right angles to the grain

Which statement concerning wood decay is correct?

Any form or amount of decay is not permitted

In cases of elongated boltholes in a wood spar or cracks in the vicinity of boltholes,

A new section of spar should be spliced in or the spar replaced entirely

Glue deterioration in wood aircraft structure is indicated

When a joint has separated and the glue surface shows only the imprint of the wood with no wood fibers clinging to the glue

The I-beam wooden spar is routed to

Reduce weight

Pin knot clusters are permitted in wood aircraft structure provided

They produce a small effect on grain direction

Which statement about wood decay is correct?

Decay is not acceptable in any form or amount

Any wooden member that has been overstressed is subject to which type of failure?

Compression failure

The cantilever wing uses

No external bracing

Laminated wood is sometimes used in the construction of highly stressed aircraft components. This wood can be identified by its

Parallel grain construction

Laminated wood spars may be substituted for solid rectangular wood spars

If the same quality wood is used in both

A faint line running across the grain of a wood spar generally indicates

Compression failure

When patching a plywood skin, abrupt changes in cross-sectional areas which will develop dangerous stress concentration should be avoided by using

Circular or elliptical patches

The strength of a well-designed and properly prepared wood splice joint is provided by the

Glue