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kolbaska11 [484]
3 years ago
10

PLS HURRY!!!

Engineering
2 answers:
DanielleElmas [232]3 years ago
4 0

Answer:

A) composition of space near the earth

Explanation:

I hope I answered your question.

Hitman42 [59]3 years ago
3 0

Answer:

Composition of space near the earth

Explanation:

on edg

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For some metal alloy it is known that the kinetics of recrystallization obey the Avrami equation, and that the value of k in the
JulsSmile [24]

Answer:

t = 1456.8 sec

Explanation:

given data:

contant k = 2.60*10^{-6}

rate of crystallization is 0.0013 s-1

rate of transformation is given by

r = \frac{1}{t_0.5}

use specifies value to solve t_0.5

it is ime required for 50% tranformation

r = \frac{1}{.0013}=769.2 sec

Avrami equation is given by

y = 1 - e^{-kt^n}

0.5 = 1 - e^{-kt_0.5^n}

1-0.5 = e^{-kt_0.5^n}

ln (1 - 0.5) = -kt_0.5^n

ln \frac{ln (1 - 0.5)}{-k} = nln t_0.5

n = \frac{ ln \frac{ln (1 - 0.5)}{-k}}{ln t_0.5}

n = \frac{ ln \frac{ln (1 - 0.5)}{-2.60*10^{-6}}}{ln 769.2}

n = 1.88

second degree of recrystalization may be determine by rearranging original avrami equation

t = [\frac{-ln(1-y)}{k}]^{1/n}

for 90%completion

t = [\frac{-ln(1-0.9)}{2.60*10^{-6}}]^{1/1.88}

t = 1456.8 sec

5 0
3 years ago
An engineers scale is generally used to _______.
Bumek [7]
Measure scale on technical drawings.
7 0
3 years ago
For every 3 people at the concert singing along, there are 5 people not singing along. If there are 180 more people not singing
Ymorist [56]

Answer:

The total people are at the concert

= 296

Explanation:

a) Data and Calculations:

Ratio of the number of people singing along at the concert to the number of people not singing along

= 3:5

The number of more people not singing along = 180

Therefore, the total number of people not singing along = 185 (180 +5)

Every person singing along = 185/5 * 3 = 111

Total number of people at the concert = number of people not singing along plus number of people singing along

= 185 + 111

= 296

6 0
3 years ago
What is the technique used during the activities definition process that breaks down the "work units" in a work package into sma
MAXImum [283]

Answer:

In project management this technique is called "Logical Dependency Technique"

Explanation:

A dependency highlights the logical relationship between two or more activities or task to be carried out in project management

There are basically four types of dependencies

1. Start to start

2. Finish to start

3. Start to finish

4. Finish to finish

8 0
3 years ago
Consider a rectangular wing mounted in a full-scale wind tunnel. The wing model completely spans the test section so that the fl
NARA [144]

Answer:

Explanation:

Given the parameters ;

P = 95,000 N/m2; T =25◦C; V = 70 m/s; and μ = 1.86 × 10^−5 kg/(m s).

The detailed steps and appropriate calculation is as shown in the attached files.

8 0
3 years ago
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