Engine Ops | Pump Ops 2 (EXT 2,000)

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Questions and Answers

What is the main benefit of placing the supply pumper as close to the positive source (hydrant) as possible?

Reducing the need for additional pumping equipment

Ensuring unlimited volume of water is available

Maximizing pressure and minimizing friction loss (correct)

Eliminating the need for pumping in series

What is the operation called when the supply pumper and attack pumper are set up in series?

Concurrent pumping

Sequential pumping

Parallel pumping

Tandem pumping (correct)

How does placing the supply pumper closer to the hydrant benefit the attack pumper?

Increases the volume of water available to the attack pumper (correct)

Reduces the intake pressure for the attack pumper

Limits the pressure available to the attack pumper

Causes friction loss for the attack pumper

What does pumping in series allow the supply pump operator to do for the attack pump operator?

Assist by increasing discharge pressure Signup and view all the answers

Why is the relationship of increasing pressure to increasing available volume considered not unlimited?

As a result of diminishing returns in pressure increase Signup and view all the answers

What can the supply pumper do if the attack pumper tries to flow more water than is available to it?

Increase its discharge pressure Signup and view all the answers

What is the advantage of running a two-stage pump in volume mode for fires not involving a high rise?

Decreased need to transfer modes during active firefighting operations Signup and view all the answers

How does running the pump in volume mode benefit the pump operator?

Reduces the training and discipline needed to operate the pump Signup and view all the answers

What is one of the disadvantages of running a two-stage pump in pressure mode?

Increased complexity of pump operation Signup and view all the answers

Why is it important to eliminate the need for changing pump modes during active firefighting operations?

Allows the pump operator to focus on the task at hand Signup and view all the answers

In a series supply operation, what does it mean if the supply engine is still showing pressure on their intake gauge?

Additional supply line is needed Signup and view all the answers

What is the purpose of using a second supply line to connect two engines together?

To maximize the water source Signup and view all the answers

What is established when a supply pumper is set up near the hydrant and is pumping to the attack engine?

Built-in safety if the attack pump fails Signup and view all the answers

What does series supply allow pump operators to do?

Maximize the amount of water possible Signup and view all the answers

What should the attack pump operator do as the supply pump operator increases the pressure they are sending through the supply lines?

Check their discharge pressure gauge Signup and view all the answers

What does establishing a series supply provide in case of an attack pumper failure?

Flow to the attack lines Signup and view all the answers

What priorities should the driver remember when functioning in a series supply operation?

Get water for the crew first, then for themselves, then for everyone else Signup and view all the answers

What is the reason for the Columbus Fire Department to begin purchasing all new engines with two-stage fire pumps?

To meet the increased pressure requirements necessary for pumping water to the upper floors of high-rise buildings Signup and view all the answers

What led to the shift from using two-stage fire pumps to single-stage pumps in the fire service?

The shift to diesel powered engines in the fire service Signup and view all the answers

What is the function of the impeller in a fire pump?

To draw water into the pump and create pressure Signup and view all the answers

Why is it important for the attack driver to not charge the backup line on tank water alone?

To ensure that the limited tank water is going to the interior crews Signup and view all the answers

What should a supply driver do to spot the hydrant properly?

Position the engine one car width away from the curb on the side to connect the hydrant Signup and view all the answers

Why is it important for a supply driver to continually evaluate their discharge pressure?

To maintain a steady flow of water to the attack operator Signup and view all the answers

What does sending the attack engine 80-100 PSI initially indicate?

It may initially be at a static pressure (no flow) Signup and view all the answers

What is needed for Pump Boss engines to maintain the desired discharge pressure?

$Throttling$ $up$ $the$ $RPM$ $(only$ $if$ $the$ $operator$ $sets$ $the$ $pressure$ $initially$ $and$ $is$ $in$ $Pressure$ $Mode)$ Signup and view all the answers

When should a supply operator recheck the discharge pressure?

$Once$ $a$ $hydrant$ $supply$ $is$ $established$ Signup and view all the answers

What should a supply engine driver do once on hydrant water?

$Radio$ $to$ $command$ that they are on a hydrant Signup and view all the answers

How should an individual identify themselves when speaking on the radio as an engine driver?

Engine ___ Driver should be used as an identifier when attempting to talk to another engine driver Signup and view all the answers

What are some reasons for using a two-stage pump instead of a single-stage pump?

Meeting pressure requirements necessary for pumping water through standpipe systems in high-rise buildings Signup and view all the answers

What is one of the disadvantages of running a two-stage pump in pressure mode?

Increased wear on the engine Signup and view all the answers

Why must a decision be made by the pump operator as to which mode the pump will be operated in during an incident?

To avoid complications during firefighting operations Signup and view all the answers

What is the main benefit of placing the supply pumper as close to the positive source (hydrant) as possible?

Eliminating the need for changing pump modes during active firefighting operations Signup and view all the answers

How does running the pump in volume mode benefit the pump operator?

Reduces wear on the engine Signup and view all the answers

Why is it important to eliminate the need for changing pump modes during active firefighting operations?

To avoid complications during firefighting operations Signup and view all the answers

What can the supply pumper do if the attack pumper tries to flow more water than is available to it?

Initiate a mode transfer Signup and view all the answers

How does placing the supply pumper closer to the hydrant benefit the attack pumper?

Eliminates mode transfer requirement Signup and view all the answers

What is one of the advantages of running a two-stage pump in volume mode for fires not involving a high rise?

Less wear on vehicle Signup and view all the answers

What is the operation called when the supply pumper and attack pumper are set up in series?

Double pressure of water Signup and view all the answers

What does pumping in series allow the supply pump operator to do for the attack pump operator?

Transfer double amount of water to attack pumper Signup and view all the answers

Why is the relationship of increasing pressure to increasing available volume considered not unlimited?

Limited space within pump housing Signup and view all the answers

What can the supply pumper do if the attack pumper tries to flow more water than is available to it?

Initiate a mode transfer Signup and view all the answers

Study Notes

Series Supply Operations

Placing the supply pumper close to the hydrant allows for more efficient use of resources and benefits the attack pumper by reducing the distance the water has to travel, resulting in less pressure loss.
When the supply pumper and attack pumper are set up in series, it is called a series supply operation.

Pump Operations

Pumping in series allows the supply pump operator to control the pressure sent to the attack pump, ensuring the attack pump is not overwhelmed.
Running a two-stage pump in volume mode is beneficial for fires not involving high-rise structures because it allows for more water volume without excessive pressure.
Running the pump in volume mode benefits the pump operator by allowing for better control over the water flow.
One disadvantage of running a two-stage pump in pressure mode is that it can lead to excessive pressure, which can be harmful.

Hydrant Operations

When the supply engine shows pressure on their intake gauge, it indicates that the hydrant is supplying water.
Connecting two engines together with a second supply line allows for a backup supply line in case of failure.
Establishing a series supply operation near the hydrant ensures a continuous water supply to the attack engine.
Series supply allows pump operators to supply water from one engine to another if needed.

Safety Precautions

The attack pump operator should not charge the backup line on tank water alone to avoid emptying the tank and losing water supply.
The supply driver should continually evaluate their discharge pressure to ensure it is not too high or too low.
Sending the attack engine 80-100 PSI initially indicates a safe and efficient water supply.

Communication and Identification

When speaking on the radio, engine drivers should identify themselves by identifying their engine number.
Pump Boss engines require continuous monitoring to maintain the desired discharge pressure.

Engine Operations

The impeller in a fire pump is responsible for increasing water pressure.
A supply engine driver should spot the hydrant properly to ensure efficient water supply.
A supply engine driver should recheck the discharge pressure regularly to ensure it is within the safe range.
Once on hydrant water, a supply engine driver should ensure a steady water supply.

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Test your knowledge of the firefighting water supply protocol with this quiz. The quiz covers topics such as securing a permanent water supply, managing tank water, and charging backup lines.

Engine Ops | Pump Ops 2 (EXT 2,000)

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Questions and Answers

What is the main benefit of placing the supply pumper as close to the positive source (hydrant) as possible?

What is the operation called when the supply pumper and attack pumper are set up in series?

How does placing the supply pumper closer to the hydrant benefit the attack pumper?

What does pumping in series allow the supply pump operator to do for the attack pump operator?

Why is the relationship of increasing pressure to increasing available volume considered not unlimited?

What can the supply pumper do if the attack pumper tries to flow more water than is available to it?

What is the advantage of running a two-stage pump in volume mode for fires not involving a high rise?

How does running the pump in volume mode benefit the pump operator?

What is one of the disadvantages of running a two-stage pump in pressure mode?

Why is it important to eliminate the need for changing pump modes during active firefighting operations?

In a series supply operation, what does it mean if the supply engine is still showing pressure on their intake gauge?

What is the purpose of using a second supply line to connect two engines together?

What is established when a supply pumper is set up near the hydrant and is pumping to the attack engine?

What does series supply allow pump operators to do?

What should the attack pump operator do as the supply pump operator increases the pressure they are sending through the supply lines?

What does establishing a series supply provide in case of an attack pumper failure?

What priorities should the driver remember when functioning in a series supply operation?

What is the reason for the Columbus Fire Department to begin purchasing all new engines with two-stage fire pumps?

What led to the shift from using two-stage fire pumps to single-stage pumps in the fire service?

What is the function of the impeller in a fire pump?

Why is it important for the attack driver to not charge the backup line on tank water alone?

What should a supply driver do to spot the hydrant properly?

Why is it important for a supply driver to continually evaluate their discharge pressure?

What does sending the attack engine 80-100 PSI initially indicate?

What is needed for Pump Boss engines to maintain the desired discharge pressure?

When should a supply operator recheck the discharge pressure?

What should a supply engine driver do once on hydrant water?

How should an individual identify themselves when speaking on the radio as an engine driver?

What are some reasons for using a two-stage pump instead of a single-stage pump?

What is one of the disadvantages of running a two-stage pump in pressure mode?

Why must a decision be made by the pump operator as to which mode the pump will be operated in during an incident?

What is the main benefit of placing the supply pumper as close to the positive source (hydrant) as possible?

How does running the pump in volume mode benefit the pump operator?

Why is it important to eliminate the need for changing pump modes during active firefighting operations?

What can the supply pumper do if the attack pumper tries to flow more water than is available to it?

How does placing the supply pumper closer to the hydrant benefit the attack pumper?

What is one of the advantages of running a two-stage pump in volume mode for fires not involving a high rise?

What is the operation called when the supply pumper and attack pumper are set up in series?

What does pumping in series allow the supply pump operator to do for the attack pump operator?

Why is the relationship of increasing pressure to increasing available volume considered not unlimited?

What can the supply pumper do if the attack pumper tries to flow more water than is available to it?

Study Notes

Series Supply Operations

Pump Operations

Hydrant Operations

Safety Precautions

Communication and Identification

Engine Operations

Studying That Suits You

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