On a properly operating system, what is the state of the refrigerant as it enters the metering device?
A. high pressure vapor
B. low pressure vapor
C. high pressure liquid
D. low pressure liquid
Answer: C
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Two technicians are discussing inspection of the transmission pan. Technician A says that some friction material at the bottom of the pan is normal. Technician B says that if any metal parts stick to a magnet then further investigation is needed to determine the cause. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
If the pressure in the refrigerant cylinder drops down too low to charge a system (cylinder pressure = low side system pressure), how can the technician increase the cylinder pressure?
What will be an ideal response?
If staples are not required to close the lap joint on duct wrap, then _____.
a. it can be secured by stitching with needle and thread b. quick-drying adhesive should be brushed on the facing tabs c. tape is wrapped around the duct wrap to hold it in place d. contact tape is used to adhere the duct wrap to the duct
Which of the following is NOT a component of an automatic temperature control system?
A) Electrically operated actuators B) Control head C) Temperature sensors D) All of these are components of an automatic temperature control system