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zzz [600]
3 years ago
13

2. What is the Function of the Camshaft in an Internal Combustion Engine?

Engineering
1 answer:
mamaluj [8]3 years ago
8 0

Answer:

camshaft, in internal-combustion engines, rotating shaft with attached disks of irregular shape (the cams), which actuate the intake and exhaust valves of the cylinders.

Explanation:

I'm taking an engineering/tech class. I hope this helps! :)

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Benzene gas (C6H6) at 25° C and 1 atm, enters a combustion chamber operating at steady state and burns with 95% theoretical air
tiny-mole [99]

Answer:

Explanation:

Benzene gas is burned with 95 percentage theoretical air during a steady â flow combustion process. The mole fraction of the CO in the products and the heat transfer from the combustion chamber are to be determined

Assumption

steady operating conditions exit .

Air and combustion gases are gases

Kinetic and potential energies are negligible

The fuel is burned with insufficient amount of air and thus the products will contain some CO as well as CO2, H2O and H2

Combustion equation is

C6H6 + ath (O2 + 3.76N2) â 6CO2 +3H2O +3.76ath N2

Where ath is the stoichiometric coefficient and is determined from the O2 balance

ath = 6+1.5 = 7.5

then the actual combustion equation can be written as

C6H6 + 0.95 * 7.5(O2 + 3.76N2) â xCO2 + (6-x) CO + 3H2O + 26.79N2

O2 balance: 0.95 * 7.5 = x +(6-x)/2 +1.5 â x=5.25

Thus C6H6 + 7.125(O2 +3.76 N2) â 5.25 CO2 + 0.75CO + 3H2O + 26.79N2

The mole fraction of CO in the products is

yCO = N CO/ N total = 0.75/5.25 + 0.75+3+26.79

=0.021 or 2.1% mole fraction of the CO in the products

5 0
3 years ago
Read 2 more answers
A 13.7g sample of a compound exerts a pressure of 2.01atm in a 0.750L flask at 399K. What is the molar mass of the compound?a. 3
Katarina [22]

Answer: Option D) 298 g/mol  is the correct answer

Explanation:

Given that;

Mass of sample m = 13.7 g

pressure P = 2.01 atm

Volume V = 0.750 L

Temperature T = 399 K

Now taking a look at the ideal gas equation

PV = nRT

we solve for n

n = PV/RT

now we substitute

n = (2.01 atm x 0.750 L) / (0.0821 L-atm/mol-K x 399 K )

= 1.5075 / 32.7579

= 0.04601 mol

we know that

molar mass of the compound = mass / moles

so

Molar Mass = 13.7 g / 0.04601 mol

= 297.7 g/mol  ≈ 298 g/mol

Therefore Option D) 298 g/mol  is the correct answer

4 0
3 years ago
LUNES MARTES MIÉRCOLES JUEVES VIERNES SÁBADO DOMINGO
scZoUnD [109]

Answer:

si

Explanation:

8 0
3 years ago
______ are an idication that your vehicle may be developing a cooling system problem.
iris [78.8K]

Answer:

The temperature gauge showing that the vehicle has been running warmer or has recently began to have issues from overheating is  an idication that your vehicle may be developing a cooling system problem.

Explanation:

8 0
3 years ago
Assume a function requires 20 lines of machine code and will be called 10 times in the main program. You can choose to implement
Volgvan

Answer:

"Macro Instruction"

Explanation:

A macro definition is a rule or pattern that specifies how a certain input sequence should be mapped to a replacement output sequence according to a defined procedure. The mapping process that instantiates a macro use into a specific sequence is known as macro expansion.

It is a series of commands and actions that can be stored and run whenever you need to perform the task. You can record or build a macro and then run it to automatically repeat that series of steps or actions.

7 0
3 years ago
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