Question

A system with a loose TEV sensing bulb would most likely?

1) Cause the system to overheat
2) Cause the system to undercool
3) Cause the system to operate normally
4) Cause the system to shut down

Answer 1

A loose TEV sensing bulb would most likely cause a system to undercool because it cannot accurately sense and control the refrigerant flow.

Step-by-step explanation:

If a system has a loose TEV (Thermostatic Expansion Valve) sensing bulb, it would most likely cause the system to undercool. The TEV's role is to regulate the amount of refrigerant flowing into the evaporator by sensing the temperature of the refrigerant. If the sensing bulb is not properly attached, it cannot accurately detect the temperature, which may lead the TEV to allow less refrigerant to flow than necessary. This can lead to insufficient cooling, as the evaporator may not absorb enough heat from the air within the system.