1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
vekshin1
3 years ago
10

The Energy Losses Associated with Valves and Fittings: a)- are generally associated with a K factor b)- are generally associated

with an external surface finish. c)- both answers 1 and 2 d)- all of the above.
Engineering
1 answer:
madam [21]3 years ago
8 0

Answer:

a)Are generally associated with factor.

Explanation:

We know that losses are two types

1.Major loss  :Due to friction of pipe surface

2.Minor loss  :Due to change in the direction of flow

As we know that when any hindrance is produced during the flow of fluid then it leads to generate the energy losses.If flow is along uniform diameter pipe then there will not be any loss but if any valve and fitting placed is the path of fluid flow due to this direction of fluid flow changes and  it produce losses in the energy.

Lot' of experimental data tell us that loss in the energy due to valve and fitting are generally associated with K factor.These losses are given as

Losses=K\dfrac{V^2}{2g}

You might be interested in
Direction: List down or enumerate the type of outlets you want to install on your dream house. Also indicate the quantity (in pi
Lorico [155]

Answer:

Apartment outlet 4pcs

Explanation:

6 0
2 years ago
Water flows through a pipe at an average temperature of T[infinity] = 70°C. The inner and outer radii of the pipe are r1 = 6 cm
Paul [167]

Answer:

The differential equation and the boundary conditions are;

A) -kdT(r1)/dr = h[T∞ - T(r1)]

B) -kdT(r2)/dr = q'_s = 734.56 W/m²

Explanation:

We are given;

T∞ = 70°C.

Inner radii pipe; r1 = 6cm = 0.06 m

Outer radii of pipe;r2 = 6.5cm=0.065 m

Electrical heat power; Q'_s = 300 W

Since power is 300 W per metre length, then; L = 1 m

Now, to the heat flux at the surface of the wire is given by the formula;

q'_s = Q'_s/A

Where A is area = 2πrL

We'll use r2 = 0.065 m

A = 2π(0.065) × 1 = 0.13π

Thus;

q'_s = 300/0.13π

q'_s = 734.56 W/m²

The differential equation and the boundary conditions are;

A) -kdT(r1)/dr = h[T∞ - T(r1)]

B) -kdT(r2)/dr = q'_s = 734.56 W/m²

6 0
3 years ago
When CO2 rises, temperature rises. Why do you think this is?
icang [17]

Answer:

The warming causes the oceans to release CO2. The CO2 amplifies the warming and mixes through the atmosphere, spreading warming throughout the planet. So CO2 causes warming AND rising temperature causes CO2 rise. Overall, about 90% of the global warming occurs after the CO2 increase.

Explanation:

6 0
2 years ago
The B-pillar may also be called the:
slega [8]

Answer:

if you're talking about the car b-post, the answer is "posts"

Explanation:

looked it up

6 0
2 years ago
(a) Aluminum foil used for storing food weighs about 0.3 grams per square inch. How many atoms of aluminum are contained in one
atroni [7]

Answer:

note:

solution is attached due to error in mathematical equation. please find the attachment

3 0
3 years ago
Other questions:
  • Using Von Karman momentum integral equation, find the boundary layer thickness, the displacement thickness, the momentum thickne
    14·1 answer
  • What is pixel's intensity ?​
    8·1 answer
  • Looking at the response vehicles (pictured above), explain two options you have in order to abide by the Move
    8·1 answer
  • REVIEW QUESTIONS
    11·1 answer
  • For the system form of the basic laws, the momentum of a system can change as a result of: a. pressure acting on the system. b.
    14·2 answers
  • The information on a can of pop indicates that the can contains 360 mL. The mass of a full can of pop is 0.369 kg, while an empt
    14·1 answer
  • QUESTÃO 13. Explique o uso das aspas no trecho "Darei a cada uma de vocês
    12·1 answer
  • What is the probability that Tina will NOT wear a white t-shirt on the first day of her trip?
    12·1 answer
  • Is an example of an electrical device.
    13·2 answers
  • which of the following is not a general education elective area? group of answer choices humanities/fine arts social/behavioral
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!