Chapter Test 13 (IFSTA 7th Edition), Chapter Test 14 (IFSTA 7th Edition)
9 views 0 purchase
Course
IFSTA
Institution
IFSTA
Chapter Test 13 (IFSTA 7th Edition),
Chapter Test 14 (IFSTA 7th Edition)
Reduced water volume or pressure from hydrants can result from:
open water mains.
open isolation valves.
greater demand than the system can provide.
the use of both wet-barrel and dry-barrel hydrants in the same system. ...
Chapter Test 13 (IFSTA 7th Edition),
Chapter Test 14 (IFSTA 7th Edition)
Reduced water volume or pressure from hydrants can result from:
open water mains.
open isolation valves.
greater demand than the system can provide.
the use of both wet-barrel and dry-barrel hydrants in the same system. - answer✔✔greater
demand than the system can provide.
Standard fire hydrants have at least one large steamer connection and:
four hose outlet nozzles for 2 1/2-inch (65 mm) couplings.
one smaller steamer connection.
two smaller steamer connections.
two hose outlet nozzles for 2 1/2-inch (65 mm) couplings. - answer✔✔two hose outlet nozzles
for 2 1/2-inch (65 mm) couplings.
A dry-barrel hydrant only has water in it when: (588) [4.3.15]
the stem nut is operated to open the control valve.
a water main has broken.
a clapper valve has been opened.
the temperature outside is above freezing. - answer✔✔the stem nut is operated to open the
control valve.
Where are wet-barrel hydrants usually installed? (588) [4.3.15]
Climates that do not have long periods of below-freezing temperatures
Climates that have a higher than average number of belowfreezing days
Rural areas where multiple departments may need to respond - answer✔✔Climates that do not
have long periods of below-freezing temperatures
What should the fire department do when a hydrant is taken out-of-service? (589) [4.3.15]
Contact the hydrant manufacturer
Attempt to repair the hydrant
Remove the stem nut
Place "out-of-service" tags on the hydrant - answer✔✔Place "out-of-service" tags on the hydrant
A hydrant wrench is primarily used to: (590) [4.3.15]
repair the hydrant if it is out-of-service.
remove discharge caps from the hydrant outlets.
apply a hose clamp near the hydrant outlet.
tighten hose couplings at the apparatus outlets. - answer✔✔remove discharge caps from the
hydrant outlets.
Hydrants must be opened and closed slowly in order to prevent: (592) [4.3.15]
friction loss.
hydrant erosion.
loss of suction.
water hammer. - answer✔✔water hammer.
What must be done when shutting down a dry-barrel hydrant? (593) [4.3.15]
Request help from the hydrant manufacturer
Leave at least 10 percent of the water in the hydrant
Verify that all of the water drains out
Request help from a hydrant technician - answer✔✔Verify that all of the water drains out
How can a 41/2-inch (115 mm) intake hose be connected to a 2 1/2 -inch steamer (65 mm)
connection on the hydrant?
Use a reducer coupling
Attach a gate valve
Attach a water thief appliance
Use a two-way coupling - answer✔✔Use a reducer coupling
Lakes, ponds, and rivers are all static water sources that: (595) [4.3.15]
can be used if chemicals are added to purify the water.
may provide water through drafting operations.
may not be used for drafting because the water is nonpotable.
should be used as a last resort because of potential contaminants. - answer✔✔may provide water
through drafting operations.
What are attached to hard-suction hose during drafting operations in order to prevent debris from
entering the pump? (595) [4.3.15]
Gate valves
Drafting valve
Siamese appliance
Intake strainers - answer✔✔Intake strainers
The three necessary parts of a water shuttle operation are the dump site at the fire, the fill site at
the water source, and: (595-596) [4.3.15]
a secondary static water source.
collapsible storage tanks to hold the water.
jet siphon devices.
mobile water supply apparatus to haul the water. - answer✔✔mobile water supply apparatus to
haul the water.
How should a portable water tank for a mobile water supply operation be set up? (596-597)
[4.3.15]
Gated wyes must be attached to the supply hose
Must allow easy access from multiple directions, but not block other apparatus from the fire
scene
Intake strainers must be attached to the supply hose
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Brightstars. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
