2 years ago

What is engineering design process

1 answer:

4 0

Answer:

The engineering design process is a common series of steps that engineers use in creating functional products and processes

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3 years ago

A car of length 15 ft. approaches a signalized intersection at 45 mph when the light changes to yellow. The vehicle is 300 ft. f

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Answer:

See attachment below

Explanation:

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Explain your own understanding about the relevant connections between the four subsystems of Earth through the use of a creative

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3 years ago

Water enters the pump of a steam power plant as saturated liquid at 20 kPa at a rate of 45 kg/s and exits at 6 MPa. Neglecting t

Natasha2012 [34]

Answer:

$\dot W_{in} = 273.69\,kW$

Explanation:

The pump is modelled after the First Law of Thermodynamics. A reversible process means that fluid does not report any positive change in entropy:

$\dot W_{in} + \dot m \cdot (h_{in}-h_{out}) = 0$

The properties of the fluid at entrance and exit are, respectively:

Inlet (Saturated Liquid)

$P = 20\,kPa$

$T = 60.06\,^{\textdegree}C$

$h = 251.42\,\frac{kJ}{kg}$

$s = 0.8320\,\frac{kJ}{kg\cdot K}$

Outlet (Subcooled Liquid)

$P = 6000\,kPa$

$T = 60.06\,^{\textdegree}C$

$h = 257.502\,\frac{kJ}{kg}$

$s = 0.8320\,\frac{kJ}{kg\cdot K}$

The power input to the pump is computed hereafter:

$\dot W_{in} = \left(45\,\frac{kg}{s} \right)\cdot \left(257.502\,\frac{kJ}{kg} -251.42\,\frac{kJ}{kg} \right)$

$\dot W_{in} = 273.69\,kW$

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4 years ago

Since 1990, hand-held mobile phones have been used as communication devices. Mobile phones have gone through a lot of design cha

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Answer: IMPACT: Access to the mobile web was a major improvement for cell phones in the 1990s. With 2G (digital cellular networks), came the ability to access media content and the World Wide Web on cell phones.

Explanation:

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3 years ago

What is engineering design process ​

What is engineering design process