Why should caution be exercised when replacing a low-efficiency air filter with a higher-efficiency air filter?
A) It is possible for air that is too clean to increase the occupant's sensitivity to allergens.
B) The lower pressure drop across high-efficiency filters can cause the blower motor to draw high amps.
C) Higher-efficiency filters have a higher pressure drop, which can cause poor airflow.
D) Air-conditioning coils depend on a certain amount of small particulates to help moisture precipitate out of the air.
C
You might also like to view...
Which of the following is true concerning detailed hazard analysis methodologies?
A. FEMA allows problems to be identified even before a body of experience has been developed for a system. B. HAZOP allows problems to be identified even before a body of experience has been developed for a system. C. HEA is a formal step-by-step analytical method that is a spin-off of reliability analysis. D. TOR is used to predict human error.
Purging refrigerant lines with nitrogen during their installation prevents _____
a. acid formation b. overheating c. copper oxide formation d. corrosion buildup
What type of network does Wi-Fi Direct facilitate the configuration of?
A. infrastructure B. client/server C. ad hoc D. bridged
Suppose a square wave signal has a 65 percent duty cycle and an on-state voltage of 40 volts DC. What is the average DC voltage?
What will be an ideal response?