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nasty-shy [4]
3 years ago
14

Ayuda porfavor es para una tarea de mi capacitación de desarrollo microempresarial

Engineering
1 answer:
vovangra [49]3 years ago
3 0

Answer:

I'm a beginner I would hv helped

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Water (cp = 4180 J/kg·°C) enters the 2.5 cm internal diameter tube of a double-pipe counter-flow heat exchanger at 17°C at a rat
aksik [14]

Answer:

Length = 129.55m, 129.55m

Explanation:

Given:

cp of water = 4180 J/kg·°C

Diameter, D = 2.5 cm

Temperature of water in =  17°C

Temperature of water out = 80°C

mass rate of water =1.8 kg/s.

Steam condensing at 120°C

Temperature at saturation = 120°C

hfg of steam at 120°C = 2203 kJ/kg

overall heat transfer coefficient of the heat exchanger = 700 W/m2 ·°C

U = 700 W/m2 ·°C

Since Temperature of steam is at saturation,

temperature of steam going in = temperature of steam out = 120°C

Energy balance:

Heat gained by water = Heat loss by steam

Let specific capacity of steam = 2010kJ/Kg .°C

Find attached the full solution to the question.

3 0
3 years ago
A fully charged new battery will have a low conductance reading.
Luda [366]

No it will have high conductance

8 0
2 years ago
Generally natural shape of stone is in shaped as (a)angular (b)irregular (c)cubical cone shape (d)regular
Rudiy27
Option B. Did i helped?
6 0
3 years ago
Read 2 more answers
If 100 J of heat is added to a system so that the final temperature of the system is 400 K, what is the change in entropy of the
Vitek1552 [10]

Answer:

0.25 J/K

Explanation:

Given data in given question

heat (Q) = 100 J

temperature (T) = 400 K

to find out

the change in entropy of the given system

Solution

we use the entropy change equation here i.e  

ΔS = ΔQ / T           ...................a

Now we put the value of heat (Q) and Temperature (T) in equation a

ΔS is the entropy change, Q is heat and T is the temperature,  

so that

ΔS = 100/400 J/K

ΔS = 0.25 J/K

4 0
3 years ago
A 16-lb solid square wooden panel is suspended from a pin support at A and is initially at rest. A 4-lb metal sphere is shot at
lbvjy [14]

Answer:

velocity = 0.6 ft/s

Explanation:

8 0
3 years ago
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