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Westkost [7]
3 years ago
15

Who does each person work for? Monica works for a power company, Travis works for a utilities company, and Maggie is self-employ

ed. All three people work for a power company. All three people are self-employed. Monica works for a utilities company, Travis is self-employed, and Maggie works for a power company.
Engineering
2 answers:
maksim [4K]3 years ago
8 0

Answer:

A per the chart given, it can be clearly said

Monica works for a utilities company, Travis is self-employed, and Maggie works for a power company.

Explanation:

Monica probably works for a utilities company since she is responsible for checking gas meters on houses, while Travis is more likely to be self-employed since he installs solar panels on houses – though he can be employed by a company which sells solar company installation services, but the option is available. Since Maggie works on power lines, she is most definitely employed by a power company.

Paraphin [41]3 years ago
4 0

Answer:

The correct answer is D!

Explanation:

youre welcommee!

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A insulated vessel s has two compartments separated by a membreane. On one side is 1kg of steam at 400 degC and 200 bar. The oth
Lilit [14]

Answer:

See explaination

Explanation:

See attachment for the detailed step by step solution of the given problem.

5 0
3 years ago
What's the real power if Vrms = 100V, Irms = 2A, and the circuit has a power factor of 0.8?
Temka [501]

Answer:

  160 W

Explanation:

The relation is ...

  Real Power = (pf)(V)(A)

  = 0.8(100)(2) = 160 . . . . watts

7 0
3 years ago
A rectangular car-top carrier of 1.7-ft height, 5.0-ft length (front to back), and 4.2-ft width is attached to the top of a car.
Nataliya [291]

Answer:

\Delta P =1.2 \frac{1.3}{2}(26.822m/s)^2 (4.2*1.7*(0.3048)^2)=13.88 hp

Explanation:

We can assume that the general formula for the drag force is given by:

D= C_D \frac{\rho}{2}V^2 A

And we can see that is proportional to the area. On this case we can calculate the area with the product of the width and the height. And we can express the grad force like this:

D_1 = C_{D1} \frac{\rho}{2}V^2 (wh)

Where w is the width and h the height.

The last formula is without consider the area of the carrier, but if we use the area for the carrier we got:

D_2 = C_{D2} \frac{\rho}{2}V^2 (wh+ A_{carrier})

If we want to find the additional power added with the carrier we just need to take the difference between the multiplication of drag force by the velocity (assuming equal velocities for both cases) of the two cases, and we got:

\Delta P = C_{D2} \frac{\rho}{2}V^2 (wh+ A_{carrier}) V-  C_{D1} \frac{\rho}{2}V^2 (wh) V

We can assume the same drag coeeficient C_{D1}=C_{D2}=C_{D} and we got:

\Delta P = C_{D} \frac{\rho}{2}V^2 (wh+ A_{carrier}) V-  C_{D} \frac{\rho}{2}V^2 (wh) V

\Delta P = C_{D} \frac{\rho}{2}V^3 (A_{carrier})

1.7 ft =0.518 m

60 mph = 26.822 m/s

In order to find the drag coeffcient we ned to estimate the Reynolds number first like this:

R_E= \frac{Vl}{v}= \frac{26.822m/s*0.518 m}{1.58x10^{-4} Pa s}= 8.79 x10^{4}

And the value for the kinematic vicosity was obtained from the table of physical properties of the air under standard conditions.

Now we can find the aspect ratio like this:

\frac{l}{h}=\frac{5}{1.7}2.941

And we can estimate the calue of C_D = 1.2 from a figure.

And we can calculate the power difference like this:

\Delta P =1.2 \frac{1.3}{2}(26.822m/s)^2 (4.2*1.7*(0.3048)^2)=13.88 hp

8 0
3 years ago
Ring rolling is a deformation process in which a thick-walled ring of smaller diameter is rolled into a thin-walled ring of larg
VMariaS [17]

Answer:

a)True

Explanation:

Rolling:

Rolling is a metal forming in which a material passes through two or more than two depends on conditions,rolls to produce the desired product.

Ring rolling:

 In ring rolling a thick ring compresses by rolls to produce the large diameter ring.Actually volume of material is constant so when diameter of ring increases then to compensate it, the thickness of ring reduces .In simple words we can say that in ring rolling a thick ring of smaller is rolled into a thin ring of larger diameter.  

6 0
3 years ago
With which type of media are you interacting when you read an online shopping website? A. film B. print C. electronic D. social
irina [24]

With which type of media are you interacting when you read an online shopping website?

A. film

B. print

C. electronic

<h3><u>D. social </u><u>media</u></h3>

Digital media/social media. Normally through ads

8 0
2 years ago
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