In general, a system that is undercharged will have:

In general, a system that is undercharged will have:
 
  A) A high subcooling and a high superheat. B) A high subcooling and a low superheat.
  C) A low subcooling and a high superheat. D) A low subcooling and a low superheat.

---

[Ques. 2] Typically relay contacts are rated for amperage less than:
 
  A) 30 amps. B) 15 amps. C) 20 amps. D) 50 amps.

---

[Ques. 3] To speed up refrigerant recovery:
 
  A) Recover from only one side of the system at a time.
  B) Use large-diameter, short-length hoses.
  C) Keep the system as cool as possible.
  D) Use small-diameter, long-length hoses.

---

[Ques. 4] Why are the spark plug wires on your car very thick on the outside?
 
  A) Thicker insulation is used to carry high current.
  B) The wire must carry high current.
  C) Heavier wire is used to carry the high voltage.
  D) The insulation must hold back thousands of volts.

---

[Ques. 5] Electrical conductors listed in order of best to worst are:
 
  A) Gold, silver, copper, aluminum. B) Aluminum, gold, silver, copper.
  C) Copper, gold, aluminum, silver. D) Copper, aluminum, silver, gold.