Chapter 12 Water suppression and fire detection devices

1. Which of the following is not considered to be a danger to the water supply system due to natural disasters?

•  Lines severed by earthquakes

• Disrupted power due to tornadoes

• Pump plants made inoperative due to floods

• Normal climatic temperatures

Tags

NGSS.MS-ESS3-2

 Which water system utilizes water towers or reservoirs at a higher altitude than the community they serve?

• Gravity System

• Direct Pumping

• Combination System

• Underground Storage

Which water system uses a reservoir or river as a water source and has automatic pressure controls to maintain a constant pressure?

•  Gravity system

• Direct pumping

•  Combination system

• Underground storage

The adequacy of a water system is gauged by its ability to meet certain criteria. Which consumption level is figured over the last 12 months?

• Average daily consumption

•  Maximum daily consumption

• Peak hourly consumption

• Average hourly consumption

For firefighting purposes, the minimum recognized water system is __________ gallons per minute for __________ hours.

• 150; 1.5 hours

• 250; 2 hours

•  500; 2 hours

• 1000; 3 hours

The distribution system is made up of underground piping of various sizes called water mains, the largest one being which of the following?

• Distributor

• Grid

• Primary Feeder

• Secondary Feeder

What is the special purpose for the five-sided nuts on hydrants?

• To deter vandals who would turn on hydrants

• To identify specific fire department jurisdictions

• For ease of opening for the fire fighters

• To identify the difference in hydrant styles

Which of the following hydrant styles always has water in it and is controlled by separate valves for each opening?

• Dry hydrant

• Dry barrel hydrant

• Wet barrel hydrant

• Pre-charged hydrant

Which of the following hydrants is designed for use in cold climates, where freezing is a problem, and has only one valve to control water flow?

• Dry hydrant

• Dry barrel hydrant

• Wet barrel hydrant

• Pre-charged hydrant

Which of the following hydrant styles is installed at a static water source for the ease of setting up drafting operations?

• Dry hydrant

•  Dry barrel hydrant

• Wet barrel hydrant

• Pre-charged hydrant