If the low side test pressure is not know, the maximum pressure that should be used for leak testing an R-22 refrigeration system with hermetic compressor is:
A) 150 psig. B) 300 psig. C) 200 psig. D) 250 psig.
A
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Demco Products, a company that manufactures stainless steel control valves, has a fund for equipÂment replacement that contains $500,000. The company plans to spend $85,000 each year on new equipment. (a) Estimate the number of years it will take to reduce the fund to no more than $85,000 at an interest rate of 10% per year. (b) Use the NPER function to determine the exact number of years.
What will be an ideal response?
During an airbag deployment, the vehicle event data recorder (EDR) will record all of these EXCEPT ________
A) G-forces B) Brake on/off C) Passenger voice sounds D) Vehicle speed
A wide band oxygen sensor is capable of detecting the air-fuel mixture in the exhaust from ________ (rich) to ________ (lean)
A) 12:1; 15:1 B) 10:1; 23:1 C) 13:1; 16.7:1 D) 8:1; 18:1
Why should a cleanup filter drier always be used after performing a system flush?
What will be an ideal response?