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Hoochie [10]
3 years ago
5

A car air-conditioning unit has a 0.5-kg aluminum storage cylinder that is sealed with a valve, and itcontains 2 L of refrigeran

t R1 34a at 500 kPa; bothare at room temperature 20'C.\t is now installedin a car sitting outdoors, where the whole systemcools do,"vn to the ambient temperature of - 10"C.What is the irreversibility of this process?
Engineering
1 answer:
kondaur [170]3 years ago
4 0

Answer:

The irreversibilty of this process is that you can't undo this reaction that has already taken place inside of the car due to it being an irrevesible chemical reaction.

Explanation:

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The throttling valve is replaced by an isentropic turbine in the ideal vapor-compression refrigeration cycle to make the ideal v
Zarrin [17]

Answer:

False

Explanation:

The given statement is False. In real scenario the throttling valve not replaced by an isentropic turbine in the ideal vapor-compression refrigeration cycle. It is done so that the ideal vapor-compression refrigeration cycle to make the ideal vapor-compression refrigeration cycle more closely approximate the actual cycle.

4 0
3 years ago
Extra points!!!!! <br><br> List the general types of housing<br> (Example: condo)
Nadusha1986 [10]

Answer:

co-op, apartment, townhome, manor etc

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3 years ago
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tester [92]
Ain’t this math why is on here
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3 years ago
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S1.1 The Acre-Foot. Hydraulic engineers in the United States often use, as a unit of volume of water, the acre-foot, defined as
Mars2501 [29]

Answer:

1072 acre foot

1331424000 kg

Explanation:

1 feet has 12 inches, so 2 in is 0.167 feet.

1 km^2 has 1 million m^2.

1 acre is 4074 m^2.

So, 1 km is 247 acres.

Then 26 km^2 is 6422 acres.

So, the volume of water is

6422 * 0.167 = 1072 acre-foot

Since one cubic meter of water has 1000 kg

One inch is 25.4 mm = 0.0254 m

One feet is 12 * 0.0254 = 0.3048 m

An acre-feet has a volume of

4074*0.3048 = 1242 m^3

And that is a mass of water of

1242 * 1000 = 1242000 kg/acre-feet

Therefore the mass of rainwater in the town is of

1072 * 1242000 = 1331424000 kg = 1331424 tons

4 0
3 years ago
During experiments on laser etching of microchips for IBM, a nuclear engineer places a discshaped sample 5 mm in diameter in a v
Andru [333]

Answer:

Steady state temperature is approximately 801K

Explanation:

Detailed explanation and calculation is shown in the images below.

7 0
3 years ago
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