A HEPA filter must be able to capture 99.7% of all particulate matter that is at least __________ microns in size.
A. .1
B. .2
C. .3
D. .4
Answer: C
Trades & Technology
You might also like to view...
When replacing a transformer, the technician should always check:
A) The temperature rise across the furnace. B) The 24 V control circuit for shorts. C) The continuity of the electric strip heaters. D) The air filter and airflow.
Trades & Technology
Match the following letters with the term they represent in Ohm's law.
A. volts B. resistance C. current
Trades & Technology
Which type of memory in a flash PIC allow programs (software) to be stored and overwritten via a PC?
A. RAM B. HD C. EPROM D. EEPROM E. ROM
Trades & Technology
The International Residential Code (IRC) requires a heating unit to be installed in any residence built in an area where the winter temperature is below ____°F.
A. 40 B. 50 C. 60 D. 70
Trades & Technology