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AfilCa [17]
3 years ago
9

If your only source of power was 120 VAC from a wall outlet, but you were required to have 5 VAC as input for an electronic devi

ce, what could you build to provide this voltage and how would you build it? Neatly sketch a picture of the device, and write an explanation of how it would work.

Engineering
1 answer:
Lena [83]3 years ago
3 0

Answer:

In order to achieve 5 VAC out of 120 VAC voltage source from the wall outlet, we can install "Step-Down Transformer".

Explanation:

Voltage Source from the wall outlet in VAC = Vp  = 120

\frac{Vp}{Vs} = \frac{Np}{Ns}

 \frac{Vs} = \frac{(Vp)*(Ns)}{Np}

By putting all values, pictorial topology is attached:

We found:

Vs =  5 VAC  Answer

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What is the name of the type of rocker arm stud that does not require a valve adjustment?
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Answer:

Jesel Premium Stud rockers

Explanation:

This specific stud rocker does not need a valve adjustment. It does not need stud girdles or pushed guide plates. It can be adjusted on a steel stanchion post.

(have a good day and I hope that this explanation fits what you needed to know!)

4 0
3 years ago
To be able to write an ss-domain equation for a circuit, use partial fraction decomposition to separate the terms in this equati
Ann [662]

Answer:

Assuming it is for the circuit attached below. To construct a domain equivalent for t > 0

Explanation:

See hand written solution

4 0
4 years ago
The thermodynamic property used to determine the amount of work produced by a power turbine in a heat engine is:_______
Sveta_85 [38]

Answer:

Enthalpy

Explanation:

Thermodynamic properties could be Intensive or extensive properties. Intensive properties are those that don't depend on the quantity of matter. Examples are pressure & temperature. Meanwhile, extensive properties are those whose values depend on the mass of the system. Examples are Energy, enthalpy and volume.

Now, in turbines in thermodynamics, the work done is produced by the flow required to turn the turbine and shaft. Recall that from the law of conservation of energy, the work in the turbine per mass airflow would be equal to the change in specific enthalpy of the flow from the entrance to the exit point of the turbine.

Thus, the property required to determine the work is Enthalpy.

3 0
3 years ago
A rapid sand filter has a loading rate of 8.00 m/h, surface dimensions of 10 m ´ 8 m, an effective filtration rate of 7.70 m/h.
galben [10]

Answer:

Explanation:

given data

loading rate = 8.00 m/h

filtration rate = 7.70 m/h

dimensions = 10 m × 8 m

filter cycle duration = 52 h

time = 20 min

to find out

flow rate  and  volume of water is used for back washing plus rinsing the filter  

solution  

we consider here production efficiency is 96%

so here flow rate will be  

flow rate = area × rate of filtration  

flow rate = 10 × 8 × 7.7  

flow rate = 616 m³/h

and  

we know back washing generally 3 to 5 % of total volume of water per cycle so  

volume of water is = 616 × 52

volume of water is  32032 m³

and  

volume of water of back washing is = 4% of 32032  

volume of water of back washing is 1281.2 m³

8 0
4 years ago
Which statement about tensile stress is true? A. Forces that act perpendicular to the surface and pull an object apart exert a t
svp [43]

Answer:

A. Forces that act perpendicular to the surface and pull an object apart exert a tensile stress on the object.

Explanation:

Tensile stress is referred as a deforming force, in which force acts perpendicular to the surface and pull an object apart, attempting to elongate it.

The tensile stress is a type of normal stress, in which a perpendicular force creates the stress to an object’s surface.

Hence, the correct option is "A."

3 0
3 years ago
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