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lozanna [386]
3 years ago
6

Which scenario is in excample of a scientific way to think

Physics
1 answer:
vlabodo [156]3 years ago
4 0
Can you explain this a bit more I don’t quite understand
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A steam turbine operates with 1.6 MPa and 350°C steam at its inlet and saturated vapor at 30°C at its exit. The mass flow rate o
WINSTONCH [101]

Answer:

638.8kW

Explanation:

The flow rate of the steam m = 22kg/s

The Pressure of the steam at the inlet of the turbine P1 = 1.6MPa

The temperature of the steam at the inlet of the turbine T1 = 350*C

Steam quality at the exit of the turbine x2 = 1.0

The temperature of the steam at the exit of the turbine T2 = 30*C

Power produced = 12,350kW

Assuming the turbine is running on a steady state, hence we neglect the effect of kinetic and potential energy we get:

If you refer to the superheated steam table for the specific enthalpy at a pressure of 1.6MPa and temperature of 350*C, we get

h1 = 3,146kJ/kg

Refer to the steam table for saturated gas at temperature 30*C to get the specific enthalpy value h2 = 2,556.81kJ/kg

The heat that comes out from the turbine can be defined from the balance of energy in the system, and is represented as

Ein - Eout = change in system Energy = 0

Thus Ein = Eout

mh1 = mh2 + Wout + Qout

Qout = m(hi-h2) - Wout

Qout = 22 x (3146-255.6) - 12350

Qout = 638.8kW

3 0
4 years ago
. Is there net work done on an object at rest or moving at a constant velocity? <br> WHICH ONE ???
Grace [21]

If an object is moving with a constant velocity, then by definition it has zero acceleration. So there is no net force acting on the object. The total work done on the object is thus 0 (that's not to say that there isn't work done by individual forces on the object, but the sum is 0 ).

8 0
3 years ago
If a gas turned into a solid without going through the liquid state and how do you reverse it?
agasfer [191]

Answer:

put it in a volcano

Explanation:

4 0
3 years ago
Read 2 more answers
3730 watts equals about how many horsepower<br><br>A.5<br>B.10<br>C.20<br>D.30
ikadub [295]
<span><span>3,730 W is equal to about 5 horsepower. (4.9982 hp)</span></span>
4 0
3 years ago
Read 2 more answers
QUESTION: A study group of students is reviewing claims in an article that gamma rays are among the most dangerous type of elect
Lubov Fominskaja [6]

B

Bias is an inclination towards one way of thinking due to inherent factors in our environment, such as how one was brought up.

Explanation:

In science, biases, conscious or unconscious, tend to make experiments’ results to incline in particular way rather than being impartial. Peer- review of scientific journals by the scientific community is meant to be a quality assurance measure to detect such biases. The students should check reviews of the scientific community on the article and see if any biases have been pointed out.  Probably the institution that the scientist works for is in competition with another institution that deals with gamma rays.

Learn More:

brainly.com/question/1903490

brainly.com/question/8480257

#LearnWithBrainly

4 0
4 years ago
Read 2 more answers
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