Utilizing a filter at decreased airflow levels will ________ the ...

[tnt_battle]

Utilizing a filter at decreased airflow levels will ________ the efficiency and ________ the pressure drop in the duct.
 
  A) decrease, decrease B) decrease, increase
  C) increase, decrease D) not change, decrease

Question 2

Which is the result of the twisting motion of the heated helix?
 
  A) Contraction of the bimetallic element B) Expansion of the bimetallic element
  C) Activation of the emergency cut-off switch D) Activation of the limit control switch

[manuelcastillo]

Answer to Question 1

C

Answer to Question 2

D

[tnt_battle]

Thanks for the timely response, appreciate it

[chereeb]

Excellent