Why does changing the compressor oil help clean up a contaminated system?
What will be an ideal response?
The refrigerant oil acts like a scavenger, absorbing contaminants as it circulates through the system. The compressor can hold large quantities of contaminants suspended in the oil and settled at the bottom of the crankcase. The fastest way to clean a contaminated system is to keep changing the oil until it is clean.
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MSB stands for
A) Most Significant Bit. B) Minimum Single Bit. C) Maximum Single Bit. D) Middle Sum Byte.
Describe the sketch in the accompanying figure.
What will be an ideal response?
Which of the following is the equivalent standard displacement of a Volvo VE D13 engine?
A. 700 cu. in B. 800 cu. in C. 1000 cu. in D. 1300 cu. in
Charlie’s Truck Repair and Service has a new contract that requires him to purchase and maintain new equipment for work on 18-wheeler trucks and heavy road equipment. Two separate vendors have made quotes and estimates for Charlie. Use the estimates and a 6% per year return requirement to find the better economic option. One problem is that Charlie does not currently know if the contract will last for 5, 8, or 10 years. He needs a recommendation for all three time periods.
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