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sp2606 [1]
3 years ago
7

Which type of door consists of thin pieces of wood, glass, or louvers placed within a framed rectangular area?

Engineering
2 answers:
MArishka [77]3 years ago
6 0

Answer:

panel door

Explanation:

i just guessed

dsp733 years ago
6 0
Most likely to be slab door because of the mixed ingredients some slab contain
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What are the success factors for mechanical engineering?
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-effective technical skills.

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Explanation:

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Tech A says that speed density systems use vehicle speed and fuel density to determine injector pulse width. Tech B says that ma
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The person that is correct based on the 2 statements from Tech A and Tech B is; Tech B

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However, for Tech A is incorrect and so the correct answer is that Tech B is right because his statement corresponds with the definition of mass flow sensor.

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2 years ago
Match the scenario to the term it represents.
Ann [662]

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i nrfvewv

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3 0
3 years ago
An aircraft component is fabricated from an aluminum alloy that has a plane strain fracture toughness of 40MPa. It has been dete
Nataly [62]

Answer:

Yes, fracture will occur

Explanation:

Half length of internal crack will be 4mm/2=2mm=0.002m

To find the dimensionless parameter, we use critical stress crack propagation equation

\sigma_c=\frac {K}{Y \sqrt {a\pi}} and making Y the subject

Y=\frac {K}{\sigma_c \sqrt {a\pi}}

Where Y is the dimensionless parameter, a is half length of crack, K is plane strain fracture toughness, \sigma_c  is critical stress required for initiating crack propagation. Substituting the figures given in question we obtain

Y=\frac {K}{\sigma_c \sqrt {a\pi}}= \frac {40}{300\sqrt {(0.002*\pi)}}=1.682

When the maximum internal crack length is 6mm, half the length of internal crack is 6mm/2=3mm=0.003m

\sigma_c=\frac {K}{Y \sqrt {a\pi}}  and making K the subject

K=\sigma_c Y \sqrt {a\pi}  and substituting 260 MPa for \sigma_c  while a is taken as 0.003m and Y is already known

K=260*1.682*\sqrt {0.003*\pi}=42.455 Mpa

Therefore, fracture toughness at critical stress when maximum internal crack is 6mm is 42.455 Mpa and since it’s greater than 40 Mpa, fracture occurs to the material

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3 years ago
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