FIRE APPARATUS ENGINEER ILLINOIS

FIRE APPARATUS ENGINEER ILLINOIS

ACTUAL FINAL EXAM WITH 160+

QUESTIONS AND VERIFIED CORRECT

ANSWERS | ALREADY GRADED A + |

GUARANTEED PASS | FAE ILLINOIS

LATEST EXAM [BRAND NEW]

What does one cubic foot of water weigh? - ANSWER- 62.5 lbs

What does One cubic foot of water contain in inches? - ANSWER- 1.728 cubic inches

What does One cubic foot of water contain in gallons? - ANSWER- 7.5 gallons

What is Smooth Bore nozzle pressures for Hand held nozzle and Master Stream? -

ANSWER- Hand Held : 50 psi

Master Stream: 80 psi

What is Newton's Third Law of motion pertaining to Nozzle Reaction? - ANSWER- "For every action there is an equal and opposite reaction"

What is Nozzle Reaction? - ANSWER- As water leaks a nozzle under pressure, it causes a reactionary force in the opposite direction.

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What is the Nozzle Reaction formula? - ANSWER- The formula used for

calculation of nozzle reaction is : NR= 1.57D²P

What is fire ground Nozzle Reaction calculations? - ANSWER- For fog nozzles and master stream smooth bore tips, fire ground nozzle reaction calculations can be computed at approximately 1/2 the flow (measured in lbs.).

What are the two variables that affect the reach of fire streams? - ANSWER- 1. Air Resistance

• Gravity

What angle does a stream get the greatest horizontal reach? - ANSWER- 30-34 degrees

What angle does a stream get the maximum effective vertical reach? - ANSWER- 60-75 degrees

What percent can head and tail winds affect the reach of a stream? - ANSWER- 10% to 15%

What is Hand Lines Solid Stream GPM for tips? - ANSWER- 1"= 200 GPM 1-1/8"= 250 GPM 1-1/4"= 300 GPM 50 PSI FL for nozzle

What is Master Stream Solid Stream GPM for tips? - ANSWER- 1-1/4"= 400 GPM 1-3/8"= 500 GPM 2 / 3

1-1/2"= 600 GPM 1-5/8"= 700 GPM 1-3/4"= 800 GPM 1-7/8"= 900 GPM 2"= 1000 GPM 80 PSI FL for nozzle

What is One Eighth (1/8") Rule for figuring out Nozzle GPM in a 50 PSI Hand line

Smooth Bore? - ANSWER- 50 PSI nozzle: 1/8" change in nozzle diameter at 50

psi nozzle pressure changes the flow by approximately 50 GPM

What does One gallon of water weigh? - ANSWER- 8.35 lbs

What does One gallon of water contain in inches? - ANSWER- 231 cubic inches

What is One foot of water exert as a back pressure? - ANSWER- .434 psi

How high will One psi elevate water? - ANSWER- 2.304 feet

What is atmospheric pressure at sea level? - ANSWER- 14.7 psi

What is the maximum lift for drafting? (Theoretically) - ANSWER- 34 feet

How high does One inch (1") mercury (inches in vacuum) lift? - ANSWER- 1.13 feet of lift

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