UA Star Review - Quiz 2

Electric alarm devices shall be installed in accordance with what standard?

• NFPA-70

• NFPA-13

• NFPA-72

• NFPA-25

If water requirements call for more than one fire pump to operate, the pumps shall start ____.

• at intervals of 5-10 seconds

• within 45 seconds

• at the same time

• at intervals of 90 seconds

Electrical systems can be grounded/bonded to underground sprinkler piping _____.

• when the AHJ determines that the planned grounding connection is inadequate

• if the electrical system(s) do not exceed 240 volts

• never

• only if underground piping is ductile iron and buried a minimum of 8' below grade.

Building lightning-protection may be grounded/bonded to underground sprinkler pipe.

• True

• False

Mechanical waterflow alarm devices, including but not limited to water-motor gongs, shall be tested ____.

• quarterly

• monthly

• semi-annually

• annually

During main drain testing, the cause of a reduction of pressure and flow must be identified and corrected, if necessary, when there is a ____ percent reduction in full flow pressure.

• 3

• 5

• 10

• 20

When flexible sprinkler hose is supported in a suspended ceiling, the unsupported length shall not exceed ___.

• 48"

• 5'

• 6'

• There is no requirement. Flexible hoses are supported by listed brackets.

Per NFPA-25, gauges shall replaced or tested & calibrated ___.

• annually

• every 3 years

• every 10 years

• every 5 years

Which of these is a requirement of a "small room?"

• Maximum of 800 sf

• Cannot contain windows

• Minimum ceiling height of 8'

• Must have an ADA compliant door.

In a multistory building, what is the maximum distance between supports on a riser?

• 25'

• 15'

• no more than 2-stories

• 12'