The majority of problems with residential air-conditioning ...

[tuffie]

The majority of problems with residential air-conditioning systems are due to:
 
  A) Mechanical problems. B) Customer problems.
  C) Electrical problems. D) Refrigeration problems.

Question 2

The main advantage of measuring airflow using the temperature rise method is that temperature rise measurements:
 
  A) Can be taken easily using a common thermometer.
  B) Require no calculation.
  C) Work well in both the heating and cooling cycles.
  D) Are more accurate than measurements taken with a flow hood.

[stallen]

Answer to Question 1

C

Answer to Question 2

A

[tuffie]

Gracias!

[smrtceo]

Excellent