March Quiz

In the (a)   edition of NFPA 20, requirements for variable speed drives were refined.

Clean water flush for mechanical seals is required to be _______ _______

(a)  

A _______ gauge is required on any fire pump when the suction pressure is below 20 psi.

• liquid filled

• 6"

• 300 psi

• compound

When a fire pump is installed outdoors it is required to be positioned at least _____ feet away from any building or other fire exposure.

• twenty

• ten

• fifteen

• fifty

8" underground suction piping is required to be flushed at a flow rate no less then ____ gpm.

• 1360

• 1753

• 2350

• 1560

When hydrostatically testing a packaged fire pump assembly, loss of pressure through the ______ is permitted.

• circulation relief valve

• packing glands

• automatic air release

• test header

In the ____ edition of NFPA 20, Fire Pump Controller Connectivity first appeared in the standard as annex material.

• 2016
• 1998

• 2020

• 2025

Gauges used during a fire pump test are required to be calibrated annually at minimum to an accuracy level of +- _____

• 1 psi

• 3 psi

• 1 %

• 3 %

To serve as pressure restrictions devices when clean water is used through the sensing lines, two ground-face unions with a (a)   orifice are required to spaced at least 5 feet apart.

When a vertical shaft turbine fire pump is supplied by a well, a test is required to determine the water production of the well. This test is required to be performed for a minimum of ______.

• 15 minutes

• 1 hour

• 90 minutes

• 8 hours