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BabaBlast [244]
2 years ago
8

All of these are true about a magnesium part EXCEPT that it:

Engineering
1 answer:
d1i1m1o1n [39]2 years ago
8 0

The option that is an exception about the properties of magnesium is the option;

<u>Is typically made from </u><u>stampings</u>

The reason why the option is an exception is given as follows:

  • Magnesium is a nonferrous metal as it is usually combined with manganese, zinc and aluminum.

  • Within the group of structural metals, magnesium is the lightest, having  a high strength-to-weight ratio.

  • Magnesium posses good dampening characteristics, and is capable of reducing vibration of mechanical parts.

<em />

<em>However</em>

  • Magnesium parts used for vehicle construction are die cast, and not made from stampings because magnesium is more difficult to stamp compared to aluminum.

Therefore, the correct option for the statement that is an exception from the true statements about magnesium is magnesium; <u>is typically made from stampings</u>

Learn more about the properties of magnesium here:

brainly.com/question/21011563

brainly.com/question/20032326

brainly.com/question/5106448

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madam [21]

Answer:Turning

Explanation: Turning is the process in which the work piece is subjected to machining so that excess part is removed with the help of rotation by turning machine or lathe machine.The cutter tool is used for cutting the excess of the work piece and it  is mostly single-pointed so that give accurate removal of the excess of work piece.At times , according to the requirement multi-pointed tool is also used Therefore, the correct option is turning.

6 0
3 years ago
A round bar of chromium steel, (ρ= 7833 kg/m, k =48.9 W/m-K, c =0.115 KJ/kg-K, α=3.91 ×10^-6 m^2/s) emerges from a heat treatmen
Lerok [7]

Answer:

Q = 424523.22 kw

Explanation:

\rho =7833 kg/m

k = 48.9 W/m - K

c = 0.115 KJ/kg- K

\alpha = 3.91*10^{-6} m^2/s

T_s = 285 degree celcius

T_∞ = 35 degree celcius

velocity of air stream = 15 m/s

D = 40 cm

L = 200 cm

mass flow rate\dot m = \rho AV = 7833 *\frac{\pi}{4} 0.4^2*15

\dot m = 14764.85 kg/s

A_s = \pi DL = \pi 0.4*2 = 2.513 m^2

Q = \dot m C \Delta T = h A_s \Delta T

\dot m C \Delta T = h A_s \Delta T

solving for h

h = \frac{14764.85*0.115*(285-35)}{2.513*(285-35)}

h = 675.6 kw/m^2K

Q = h A_s\Delta T

Q = 675.6*2.513*(285-35)

Q = 424523.22 kw

7 0
3 years ago
The level of water in a dam is 6 m. The rectangular gate ABC is pinned at point B so it can rotate freely about this point. When
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Answer:

The reaction at support B

Rb= 235440N

The reaction at support C

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Explanation : check attachment

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3 years ago
"At 195 miles long, and with 7,325 miles of coastline, the Chesapeake Bay is the largest and most complex estuary in the United
Paraphin [41]

Answer:

see explaination

Explanation:

Part a) Width of bay at Potomac River:

Given Data:

· Actual Width at Potomac River = 30 miles

· Bay Model Length Ratio Lr = 1/1000

In fluid mechanics models of real structures are prepared in simulation so that they can be analyzed accurately. A model is known to have simulation if model carries same geometric, kinematic and dynamic properties at a small scale.

Length of any part in model = Actual length x Lr

Hence,

Model Width of bay at Potomac River = 30 x 1/1000 = 0.03 miles

Since 1 mile = 5280 ft

Model Width of bay at Potomac River = 0.03 x 5280 = 158.4 ft

Part b) Model Length of bay bridge in model:

Given Data:

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Model Length = Actual Length x Lr = 4.3 x 1/1000 = 0.0043 miles

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Part d) Average and maximum depth of model:

Given Data:

· Actual Average depth = 28 ft

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· Bay Model Length Ratio Lr = 1/1000

Model average depth = Actual average depth x Lr = 28 x 1/1000 = 0.028 feet

Since 1 ft = 12 inch

Model average depth in inch = 0.028 x 12 = 0.336 in

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Since 1 ft = 12 inch

Model maximum depth in inch = 0.174 x 12 = 2.088 in

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wlad13 [49]
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