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Serggg [28]
3 years ago
14

Number the statements listed below in the order that they would occur in engine operation. Then, label these stages as intake, c

ompression, power, or exhaust.
a. The fuel mixture is ignited by the spark plug, and the resulting explosion forces the piston down in the cylinder.

b. The piston rises and compresses the fuel mixture in the combustion chamber.

c. The exhaust gases left over from the combustion are released from the cylinder. d. A mixture of air and fuel is drawn into the cylinder
Engineering
1 answer:
boyakko [2]3 years ago
6 0

Answer:

d. A mixture of air and fuel is drawn into the cylinder ( Intake)

b. The piston rises and compresses the fuel mixture in the combustion chamber.(compression)

a. The fuel mixture is ignited by the spark plug, and the resulting explosion forces the piston down in the cylinder.(power)

c. The exhaust gases left over from the combustion are released from the cylinder.(exhaust)

Explanation:

The first step in engine operation is called <u>the intake stage</u>, where air mixed with fuel is drawn into the cylinder. This is followed by the <u>compression stage </u>where the piston rises to compress the air mixed with fuel trapped in the chamber.<u>The power stage</u> follows, the air-fuel mixture ignites to cause a spark and small explosion enough to push the piston back down cylinder causing a motion to develop down the piston to the crankshaft.<u>The exhaust stag</u>e is the final one which sees the exhaust gases  released from the cylinder.

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Answer:

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Explanation:

triangular trade

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2 years ago
Which is a feedback mechanism for a system?
stira [4]

The following is a feedback mechanism for a system :

<u>The progress bar when downloading a file on iTunes</u>

<u></u>

Explanation:

  • A feedback mechanism is a loop system wherein the system responds to a perturbation. The response may be in the same direction (as in positive feedback) or in the opposite direction (as in negative feedback).
  • Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop. The system can then be said to feed back into itself.
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6 0
3 years ago
How do you know which forces works for free bodies​
miss Akunina [59]

Answer:

Gravitational force (pulled downward by the Earth)

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5 0
2 years ago
In an experiment, the local heat transfer over a flat plate were correlated in the form of local Nusselt number as expressed by
zvonat [6]

Answer:

R= 1.25

Explanation:

As given the local heat transfer,

Nu_x = 0.035 Re^{0.8}_x Pr^{1/3}

But we know as well that,

Nu=\frac{hx}{k}\\h=\frac{Nuk}{x}

Replacing the values

h_x=Nu_x \frac{k}{x}\\h_x= 0.035Re^{0.8}_xPr^{1/3} \frac{k}{x}

Reynolds number is define as,

Re_x = \frac{Vx}{\upsilon}

Where V is the velocity of the fluid and \upsilon is the Kinematic viscosity

Then replacing we have

h_x=0.035(\frac{Vx}{\upsilon})^{0.8}Pr^{1/3}kx^{-1}

h_x=0.035(\frac{V}{\upsilon})^{0.8}Pr^{1/3}kx^{0.8-1}

h_x=Ax^{-0.2}

<em>*Note that A is just a 'summary' of all of that constat there.</em>

<em>That is A=0.035(\frac{V}{\upsilon})^{0.8}Pr^{1/3}k</em>

Therefore at x=L the local convection heat transfer coefficient is

h_{x=L}=AL^{-0.2}

Definen that we need to find the average convection heat transfer coefficient in the entire plate lenght, so

h=\frac{1}{L}\int\limit^L_0 h_x dx\\h=\frac{1}{L}\int\limit^L_0 AL^{-0.2}dx\\h=\frac{A}{0.8L}L^{0.8}\\h=1.25AL^{-0.2}

The ratio of the average heat transfer coefficient over the entire plate  to the local convection heat transfer coefficient is

R = \frac{h}{h_L}\\R= \frac{1.25Al^{-0.2}}{AL^{-0.2}}\\R= 1.25

3 0
3 years ago
Free Brainliest Again
svetlana [45]

Answer:

Explanation:

thxs

4 0
3 years ago
Read 2 more answers
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