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Hitman42 [59]
3 years ago
15

Can you guys please introduce yourself​

Engineering
2 answers:
EleoNora [17]3 years ago
6 0

Answer: why?

Explanation:

Sergeeva-Olga [200]3 years ago
3 0
Hi i’m kira and i need points so i can pass this class. i hope you’re having a good day
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Argon is compressed in a polytropic process with n=1.2 from 120 kPa and 10 °C to 800 kPa in a piston cylinder device. Determine:
Jlenok [28]

Answer:

a. W = - 108.89 kJ/kg

b. q =  - 75.846 kJ/kg

Given:

n = 1.2

Pressure, P = 120 kPa

Temperature, T = 10^{\circ} = 283 K

Pressure, P' = 800 kPa

Solution:

(a) Work Produced:

Now, using the relation:

W = \frac{RT}{1 - n}[(\frac{P'}{P})^(1 - \frac{1}{n}) - 1]

where

R = Rydberg's constant

Now,

W = \frac{283\times0.208}{1 - 1.2}[(\frac{800}{120})^(1 - \frac{1}{1.2}) - 1]

W = \frac{283\times0.208}{- 0.2}[(6.67)^(0.16) - 1] = - 108.89 kJ/kg

Now,

\frac{T'}{T}= (\frac{P'}{P})^{1 - \frac{1}{n}}

T'= T(\frac{800}{120})^{1 - \frac{1}{1.2}}

T'= 1.37\times 283 = 388.48 K

(b) Heat tranferred, q = C_{v}(T' - T) + W

q = 0.3122(388.84 - 283) - 108.89 = - 75.846 kJ/kg

5 0
3 years ago
What are probiotic bacteria and how did Danino and his team use this type of bacteria to detect liver cancer?
Marta_Voda [28]

Explanation:

Probiotics are a combination of live beneficial bacteria and/or yeasts that naturally live in your body. Bacteria is usually viewed in a negative light as something that makes you sick. However, you have two kinds of bacteria constantly in and on your body — good bacteria and bad bacteria.

Using a harmless strain of E. coli that colonizes the liver, the researchers programmed the bacteria to produce a luminescent signal that can be detected with a simple urine test.

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Estudio de caso Teorema de Bayes. Las historias de casos clínicos indican que diversas enfermedades producen sistemas similares.
andrey2020 [161]

Answer:  A

Explanation: Case study Bayes theorem. Case histories indicate that various diseases produce similar systems. Assume that a particular set of symptoms, which will be denoted as event M, occurs only when any of three diseases, A, B or C, occurs (For simplicity, we will assume that diseases A, B and C are mutually exclusive). Studies show these probabilities of acquiring the three diseases: P (A) = 0.02 P (B) = 0.03 P (C) = 0.4 The probabilities of developing M symptoms, given a specific disease, are: P (M | A) = 0.80 P (M | B) = 0.97 P (M | C) = 0.60 Assuming that a sick person has symptoms M. What is the probability that the person has disease A?

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What are four engineering degrees that can help lead you to becoming an aerospace engineer
mamaluj [8]

Answer:

Mechanical Engineering, Aerospace Engineering, Electrical Engineering, Aeronautical Engineering

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I'm a Mechanical Engineer, and I considered Aerospace.

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its d

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