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Helen [10]
4 years ago
6

In an electrochemical machining operation, the frontal working area of the electrode is 2.5 in2 . The applied current = 1500 amp

s, and the voltage = 12 volts. The material being cut is pure aluminum, whose specific removal rate C is 0.000126 in3 /A-min. (a) If the ECM process is 90 percent efficient, determine the rate of metal removal in in3 /hr. (b) If the resistivity of the
Engineering
1 answer:
liberstina [14]4 years ago
5 0
I don’t know if I’m doing your work
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Briggs & Stratton engines feature both a pressure lubrication and a pressure filtration system. Which statement is true?
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Answer would be Letter B
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Design roller chain drive. Specify the chain size, the sizes and number of teeth in the sprockets, the number of chain pitches,
Rom4ik [11]

Answer:

The total design can be summarized as follows:

AC motor 55 hp, 750 rpm  as a driver

Service factor 1.0

Design power 5 hp

No. 40 chain, 0.50 in pitch, 1 strands

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39 teeth, 7.46 in pitch dia, 1 strand large sprocket

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Center distance of 19.9 in

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Explanation:

4 0
3 years ago
Compute the volume percent of graphite, VGr, in a 3.1 wt% C cast iron, assuming that all the carbon exists as the graphite phase
Arte-miy333 [17]

Answer:

The volume percent of graphite is 9.9%

Explanation:

Given;

weight percent of graphite, C = 3.1wt%

density of ferrite, \rho _f = 7.9 g/cm³

density of graphite, \rho _g = 2.3 g/cm³

Determine the mass fraction;

W_f = \frac{C_g - C_0}{C_g -C_f} \\\\W_f =\frac{100 - 3.1}{100-0}\\\\W_f = 0.969\\\\\\W_g = \frac{C_0 - C_a}{C_g -C_f} \\\\W_g =\frac{3.1-0}{100-0}\\\\W_g = 0.031

Determine the volume fraction;

V = \frac{W_g/ \rho_g}{W_f / \rho_f \ + \ W_g / \rho_g} *100 \%\\\\V = \frac{0.031/ 2.3}{0.969 / 7.9 \ + 0.031 / 2.3}*100\%\\\\V = 9.9\%

Therefore, the volume percent of graphite is 9.9%

8 0
3 years ago
The hypotenuse of a 45° right triangle is
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75+69 and divide by 54
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What is the difference between CNC and NC​
expeople1 [14]

Answer:

Comparison Between NC and CNC Machine

NC stands for Numerical Control whereas CNC stands for Computer Numerical Control. In NC Machine the programs are fed into the punch cards. But in CNC machine the programs are fed directly into the computer with the help of a small keyboard similar to our traditional keyboard

Explanation:

8 0
3 years ago
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