Illinois
"For each movement there may be an same and opposite reaction" - ANS-What is Newton's
Third Law of movement bearing on Nozzle Reaction?
1. 2 Hour: a hundred% @ a hundred and fifty psi
2. Half of hour: 70% @ 200 psi
three. 1/2 hour: 50% @ 250 psi
4. 10 minutes: a hundred% @ 165 psi (overload or spurt test) - ANS-What are all of the
steps in Certification Test (pre-service checks)?
1. 20 mins: a hundred% @ a hundred and fifty psi
2. 10 minutes: 70 % @ 200 psi
3. 10 minutes: 50% @ 250 psi
Optional: one hundred% @ one hundred sixty five psi (overload or spurt take a look at) -
ANS-What are all of the steps in a Service Test?
1. Air Resistance
2. Gravity - ANS-What are the 2 variables that affect the attain of fireplace streams?
1.13 toes of raise - ANS-How high does One inch (1") mercury (inches in vacuum) raise?
1.728 cubic inches - ANS-What does One cubic foot of water incorporate in inches?
10 psi - ANS-What is the endorsed minimum psi that have to be maintained on the
compound gauge while taking water from a hydrant?
10% to fifteen% - ANS-What percentage can head and tail winds affect the reach of a
circulate?
100 psi - ANS-What is Fog nozzle pressure for Hand held nozzle and Master Stream?
A hundred% @ one hundred sixty five psi (done in certification check for 10 mins) -
ANS-What is a Spurt or Overload test?
One hundred% ability @ one hundred fifty psi internet pump stress
70% capability @ two hundred psi internet pump stress
50% capability @ 250 psi net pump strain - ANS-What are Pump Tests?
14.7 psi - ANS-What is atmospheric strain at sea stage?
2.304 toes - ANS-How high will One psi elevate water?
, 231 cubic inches - ANS-What does One gallon of water contain in inches?
30-34 tiers - ANS-What attitude does a movement get the greatest horizontal reach?
34 toes - ANS-What is the maximum elevate for drafting? (Theoretically)
60-75 stages - ANS-What attitude does a move get the maximum effective vertical reach?
Sixty two.5 lbs - ANS-What does one cubic foot of water weigh?
7.5 gallons - ANS-What does One cubic foot of water contain in gallons?
Eight.35 lbs - ANS-What does One gallon of water weigh?
Add 10 psi - ANS-What is the stress for Gated Wye's and Siamese appliances?
Upload 25 psi - ANS-What is the pressure for Standpipe system and siamese?
Add 5 psi for every floor of elevation (exclude 1st floor)
Subtract 5 psi for each floor under grade - ANS-How do you Calculate Elevation?
Bleeders - ANS-Located on gated intakes (five" consumption alleviation valve). This is to
bleed air off as a deliver line is charged before the gated intake is opened.
Casing - ANS-Collects the water and confines it to transform speed to stress then directs the
water to the release of the pump.
Closed Relay - ANS-A relay immediately among pumps
Cognitive - ANS-Evaluation including written check accuracy of 70%, from reminiscence,
with out help.
Cognitive
Cooling Devices - ANS-Engine/Auxiliary coolers permits water from pump to chill radiator
water by a warmness exchanger
Dead End Main - ANS-A water predominant furnished from only one course, typically
resulting in bad float.
Differential
Turbine
Paddlewheel
Spring Probe - ANS-4 Basic Flowmeters
Distribution System - ANS-That component which receives the water from the pump station
and promises it all through the place; including hydrants, valves, multiplied storage,
reservoirs, and standpipes