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koban [17]
3 years ago
6

A disk‑shaped part is to be cast out of aluminum. The diameter of the disk = 401 mm and its thickness = 25 mm. If the mold const

ant = 1.9 sec/mm2 in Chvorinov's rule, how long will it take the casting to solidify (in the unit of seconds)?
Engineering
1 answer:
kupik [55]3 years ago
3 0

Answer:    

  w

Explanation:

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Steam enters a turbine at 8000 kPa, 440oC. At the exit, the pressure and quality are 150 kPa and 0.19, respectively.
levacccp [35]

Answer:

\dot W_{out} = 3863.98\,kW

Explanation:

The turbine at steady-state is modelled after the First Law of Thermodynamics:

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

The specific enthalpies at inlet and outlet are, respectively:

Inlet (Superheated Steam)

h_{in} = 3353.1\,\frac{kJ}{kg}

Outlet (Liquid-Vapor Mixture)

h_{out} = 890.1\,\frac{kJ}{kg}

The power produced by the turbine is:

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

\dot W_{out} = -2.93\,kW + (1.57\,\frac{kg}{s} )\cdot (3353.1\,\frac{kJ}{kg} - 890.1\,\frac{kJ}{kg} )

\dot W_{out} = 3863.98\,kW

8 0
3 years ago
96/64 reduced to its lowest term
Marina CMI [18]

Answer:

3/2

Explanation:

8 0
2 years ago
Depending on the model, all-electric vehicles can go about _______ miles on a single charge.
Lera25 [3.4K]

Answer:

D

Explanation:

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What is an advantage of using a fully integrated cloud-based data analytics platform?
sweet [91]

Answer:

It gives decision-makers the processing capacity they need to turn raw data into useful knowledge.

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