units 3-5

Carbon monoxide shall activate a local alarm when the CO level exceeds ?

• 10 ppm

• 5 ppm

• 15 ppm

• 20 ppm

When the dew point system temperature exceeds _________, the required alarms shall activate.

• 42 F

• 38 F

• 35 F

• 21 F

Liquid ring compressors service water and seal water shall be treated to control ____________.

• Chlorine

• Waterborne pathogens

• Hyper chlorination

• Electrolosis

Medical air compressor systems shall have a ___________ means to prevent backflow through all off-cycle compressors.

• Manual

• Semi- automatic

• Automatic

• All the above

Medical air filters shall be located immediately upstream of the ___________.

• After coolers

• Final line regulator

• Pressure indicator

• Receiver

Medical air filters shall be sized for 100% of the system peak calculated demand and be rated for a minimum of _______ percent efficiency @ ________ micron or greater.

• 95% @ 0.5

• 98% @ 1

• 98% @ 0.1

• 100% @ 1

Medical air sources shall only be used for____________.

• Instrument air

• Air-operating devices

• Human respiratory applications

• All of the above

Medical air supply systems shall meet what requirments?

• Meet requirments of medical air USP

• Have no detecable liquid hydrocarbons

• Have a distinct sweet odor

• Have less than 25ppm Gaseous hydrocarbons

Medical air intake shall be at minimum 10ft from all_______.

• Doors

• Windows

• Openings in the building

• loading docks

When systems of different operating pressures are required in medical air piping systems, where at what point shall the systems separate?

• Before the source valve

• Before the relief valve

• After the filters

• After the final line regulators