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Yuri [45]
3 years ago
15

Technician A says a refrigerant identifier is only needed when the technician is unsure of the refrigerant used in an AC system.

Technician B says some refrigerant identifiers can measure the amount of moisture in the refrigerant system to aid in diagnosis. Who is​ correct?
Physics
1 answer:
Yanka [14]3 years ago
8 0

Question:

The options are;

A) Technician A only B) Technician B only

C) Both technicians A and B D) Neither technician A nor B

Answer:

The correct option is;

D) Neither technician A nor B

Explanation:

To avoid costly errors, it is important to make use of a refrigerant identifier both on a vehicle A/C system requires work and at the market before buying a refrigerant.

There are refrigerant identifiers that can detect air contamination the however a refrigerant identifier is meant to identify the refrigerant present in the system based on purity and quality and can give an indication of the type of contamination present. All contaminated refrigerants are disposed of.

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Answer:

19 on the first one

Explanation:

5 0
3 years ago
*WILL MARK BRAINLIEST FOR RIGHT ANSWER* How much current must be applied across a 60 Ω light bulb filament in order for it to co
sp2606 [1]

Answer: The current must be equal to \frac{\sqrt{33} }{6} amps, or ~0.9574 amps.

Explanation:

You can find the current in amperes using ohms and watts from this formula:

I = \sqrt{\frac{P}{R} }

Where P represents power in watts, R represents resistance in ohms, and I represents current in amperes.

You can then substitute 60 and 55 into the equation to find I:

I = \sqrt{\frac{55}{60} } \\I = \frac{\sqrt{55} }{\sqrt{60} }

Then, simplify the denominator:

I = \frac{\sqrt{55} }{2\sqrt{15} }

Rationalize the denominator:

I = \frac{\sqrt{55} }{2\sqrt{15} } * \frac{\sqrt{15} }{\sqrt{15} } = \frac{\sqrt{825} }{30}

Simplify the numerator by finding its factors:

I = \frac{5\sqrt{33} }{30} = \frac{\sqrt{33} }{6}

The current must be equal to \frac{\sqrt{33} }{6} amps, or ~0.9574 amps.

8 0
3 years ago
What does this mean?
Alexeev081 [22]
Well, in some systems the atoms melt or burn or change state like from liquid to gases when they reach a certain temperature. This could decrease the energy in the system.
Hope I helped
3 0
3 years ago
A 5​-gram ​[g] rubber ball is released from a height of 8 meters​ [m] above a flat surface on the moon. Gravitational accelerati
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Answer:

v = 5.0911 m/s

Explanation:

See it in the pic.

6 0
3 years ago
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erica [24]

Answer:

During nuclear fission, a neutron collides with a uranium atom and splits it, releasing a large amount of energy in the form of heat and radiation. More neutrons are also released when a uranium atom splits. These neutrons continue to collide with other uranium atoms, and the process repeats itself over and over again.

Explanation:

In nuclear fission the nucleus of an atom breaks up into two lighter nuclei. The process may take place spontaneously in some cases or may be induced by the excitation of the nucleus with a variety of particles (e.g., neutrons, protons, deuterons, or alpha particles) or with electromagnetic radiation in the form of gamma rays. In the fission process, a large quantity of energy is released, radioactive products are formed, and several neutrons are emitted. These neutrons can induce fission in a nearby nucleus of fissionable material and release more neutrons that can repeat the sequence, causing a chain reaction in which a large number of nuclei undergo fission and an enormous amount of energy is released. If controlled in a nuclear reactor, such a chain reaction can provide power for society’s benefit. If uncontrolled, as in the case of the so-called atomic bomb, it can lead to an explosion of awesome destructive force.

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