3 years ago

Since the engineering design process may take the engineer back to its beginning, the process is considered ________

Engineering

1 answer:

Valentin [98]3 years ago

7 0

Answer:

Cyclical

Explanation:

I looked at the next question on edgenuity and it said it in the question.

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A large heat pump should upgrade 5 MW of heat at 85°C to be delivered as heat at 150°C. Suppose the actual heat pump has a COP o

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Answer:

W=2 MW

Explanation:

Given that

COP= 2.5

Heat extracted from 85°C

Qa= 5 MW

Lets heat supplied at 150°C = Qr

The power input to heat pump = W

From first law of thermodynamics

Qr= Qa+ W

We know that COP of heat pump given as

$COP=\dfrac{Qr}{W}$

$2.5=\dfrac{5}{W}$

W=2 MW

For Carnot heat pump

$COP=\dfrac{T_2}{T_2-T_1}$

$2.5=\dfrac{T_2}{T_2-(273+85)}$

2.5 T₂ - 895= T₂

T₂=596.66 K

T₂=323.6 °C

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3 years ago

3. Briefly explain the conduction mechanism in metals?

Bingel [31]

Answer:

conduction occurs when a substance is heated

Explanation:

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2 years ago

Which of the following explains the main reason to cut a piece of wood on the outside of the measurement mark?

maks197457 [2]

I think it’s D ?? I’m not completely sure tho

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3 years ago

Select the correct answer.

cricket20 [7]

Answer:

The power generated by a wind farm is not constant because of irregular wind patterns.

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A general contractor has received plans for a new high-rise hotel in an urban area. The hotel will be 12 stories tall and will h

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Answer:

Ano klassing tanong yn?

Explanation:

Ang taas namn yn? Paki linaw po para matulungan po kita.!!

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