If oil is not returning to the compressor, a possible cause is _____.

a. poorly arranged refrigerant piping
b. oil viscosity
c. incorrect refrigerant type
d. that the oil is too miscible


a. poorly arranged refrigerant piping

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La ubicación normal para proporcionar protección contra sobrecorriente en un circuito eléctrico es:

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An AGM battery differs from a conventional flooded battery in what way?

A) It does not contain lead B) The electrolyte is absorbed into glass separator and will not spill C) Each cell has a voltage sensor D) It does not contain electrolyte

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Which of the following is NOT used as CV joint boot material?

A) Natural rubber B) Hard thermoplastic C) Silicone rubber D) Rubber impregnated canvas

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What are the components of an effective project proposal?

What will be an ideal response?

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