Engineering High School

True or false?

Shops can mix refrigerants

Answers

Answer 1

Answer:

False

Explanation:

Answer 2

The statement "Shops can mix refrigerants" is false.

What are refrigerants?

Refrigerants are the chemicals that are used in the refrigerator's cycle of the air conditioner. They are fluid. Examples of refrigerants are CFC, HCFC, FC, ammonia, etc.

They are changed to form a phase of liquid to gas and gas to liquid. They are their transition stages. There are four types of refrigerants. They are Evaporative Cooling, Mechanical-Compression Refrigeration Systems, absorption, and thermoelectric.

Inadequate system pressures and temperatures can be brought on by mixed refrigerants. This may lead to inadequate cooling of the compressor, potential compressor damage, inadequate cooling, and metering device malfunction.

Thus, the statement is false regarding shops can mix refrigerants.

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Related Questions

Explain how metal is produced and turned into a product e.g. bed

Answers

Answer:

the metal is mined from mines and melted to make objects

Ayuda porfavor......

Answers

Answer:

yayayyayaaayaaaayyayayayayaayaaayayayayayayya

Oh no this is a hard question

The ratio of boys to girls in the class was 2 to 3. If there were 18 girls in the class, how many students were in the class

Answers

37 students in the class
18 Girls and 19 Boys

during a load test, a battery's voltage drops below a specific value. what action should the technician take?

A. Recharge and retest.
B. Allow battery to become fully discharged and retest.
C. immediately replace
D. None if above
​

Answers

Answer:

B

Explanation:

allow battery to become fully discharged and retest

When fully charged, a normal 12-volt automotive battery will have about 12.6 volts. The voltage just needs to fall to about 10.5 volts to be deemed fully discharged. The battery will suffer harm owing to severe sulfation if it falls below that level. Thus, option B is correct.

What battery's voltage drops below a specific value?

Changes in Voltage Occur During Discharge, The voltage of each cell is approximately 2.5 to 2.7 volts before the charging circuit is opened at the conclusion of a charge. The voltage of the cell rapidly reduces to roughly 2.1 volts within three or four minutes of the charging circuit being opened.

The voltage across the battery terminals decreases if a load is connected across the battery. The battery's internal resistance is to blame for this voltage drop. By measuring the open-circuit voltage and the voltage across the battery's terminals when a load is connected, we can determine the internal resistance.

Therefore, allow battery to become fully discharged and retest should the technician take.

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t/f

in shielded metal arc welding, the arc is shielded from the atmosphere by a gas that is created as a cover electrode melts

Answers

Answer:

Im pretty sure its True.

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