What is the primary difference between air cooled condensers on ...

[olgavictoria]

What is the primary difference between air cooled condensers on standard efficiency systems and air cooled condensers on high efficiency systems?
 
  A) The coil size is decreased to raise the head pressure and increase the temperature difference.
  B) The number of fins per inch are reduced to reduce the restriction to airflow.
  C) The condenser coils are made from steel instead of copper or aluminum.
  D) The coil size is increased to increase the heat transfer area.

Question 2

If someone works with electricity, which of the following measurements may be used?
 
  A) Foot-pounds and newton meters B) Kilocalories and therms
  C) Amperes and watts D) BTUs and calories

[atrochim]

Answer to Question 1

D

Answer to Question 2

C

[olgavictoria]

Excellent

[TheDev123]

Gracias!