An uncovered cad cell tested with an ohmmeter produces a reading ...

[123654777]

An uncovered cad cell tested with an ohmmeter produces a reading of 800. The next step is to _____.
 
  a. do nothing; the cell is working properly
  b. check for pinched cad cell lead wires
  c. clean the cell face
  d. check the flame sighting

Question 2

The highest AFUE-rated oil furnace that a technician is likely to encounter is _____
 
  a. 78 percent
  b. 80 percent
  c. 86.5 percent
  d. 95 percent

[mbcrismon]

Answer to Question 1

a

Answer to Question 2

c

[123654777]

Thanks for the timely response, appreciate it

[ricroger]

Gracias!