Chpt 5

Question 1

The fire department pumper, whos crew is known as an _______ is essentially a large fire pump with hose and tools to extinguish fires

Answer 1

Engine company

Question 2

The _____is the most common fire apparatus, being found in almost every fire department fleet

Answer 2

Pumper

Question 3

The ______is the most notable device on the fire apparatus

Answer 3

Pump panel

Question 4

A major component of fire attack is

Answer 4

Water

Question 5

When the fire apparatus is designed for ________, the fire apparatus engine and drivetrain must be arranged so that the unit can pump at least 20 gallons per minute at a gauge pressure of 80 psi while the fire apparatus is moving at a speed of 2 mph or less

Answer 5

Pump and roll operations

Question 6

While drafting, if the fire pump is rated at less than 1500 gallons per minute, it is capable of taking suction through 20 feet of suction hose and can discharge water in less than ____

Answer 6

30 seconds

Question 7

If the fire pump is rated at greater than 1500 gallons per minute, it is capable of taking suction through 20 feet of suction hose and can discharge water in less than

Answer 7

45 seconds

Question 8

All water tanks should be equipped with a baffling system with a minimum of two ________ vertical baffles that cover at least 75 % of the area of the plane that contains the baffle

Answer 8

Transverse or longitudinal vertical baffles

Question 9

A ______ Is defined as a provider of liquid flow and pressure dedicated to fire protection

Answer 9

Fire pump

Question 10

As a priming pump, the positive displacement pump is connected to the top of the ________

Answer 10

Centrifugal pump

Question 11

Use a cylinder to contain the fluid; the piston then moves back-and-forth inside the unit to move the liquid out of the cylinder

Answer 11

Piston pump

Question 12

This type of pump has one intake side and one discharge side, both of which are located at the same ends of the cylinder

Answer 12

Single acting piston pump

Question 13

Allows water flow more continuously than a single acting piston pump while using one piston

Answer 13

Double acting piston pump

Question 14

Are typically used as the priming pump for centrifugal pump

Answer 14

Rotary pumps

Question 15

The most common fire pump in use today is the

Answer 15

Centrifugal pump

Question 16

Do not flow a definite amount of water with each revolution; instead, the flow or amount of water discharge is based on the pressures at the discharge side of the pump

Answer 16

Centrifugal pump

Question 17

This pump operates on the basic principle of _______ that is the outward force from the center of rotation

Answer 17

Centrifugal force

Question 18

The centrifugal pump receives water into the center or eye of an _____ that is mounted (as an offset) inside the pump casing

Answer 18

Impeller

Question 19

As the impeller spins It accelerates the movement of water between the vanes and discharges the fluid radially outward into a collection area called a

Answer 19

Volute

Question 20

A centrifugal pump can pump only

Answer 20

Water or other liquids

Question 21

Has one impeller, which both takes the water in and discharges it out of the pump

Answer 21

Single stage pump

Question 22

The most common type of multistage pump is the

Answer 22

Two stage pump

Question 23

A _____ determines whether the pump will be operated in series/pressure mode or parallel/volume mode

Answer 23

Transfer valve

Question 24

When more than 50 percent of the pumps rated capacity is needed on the fire ground, the pump should be operated in ______ to ensure that the desired flow can be achieved

Answer 24

Parallel/volume mode

Question 25

Is the position in which two stage pumps are most commonly operated

Answer 25

Series/pressure mode

Question 26

Most fire responses do not require the pump to deliver more than 50 percent of the pumps rated capacity. Therefore, the pump is left in _______ so that the desired pressure is achieved by operating at a lower rate

Answer 26

Series pressure mode

Question 27

If the pump operation requires a large volume of water, then the pump should be operated in ______

Answer 27

Parallel volume mode

Question 28

The _____ of the pump is where the water enters the pump

Answer 28

Intake side

Question 29

The location where the water exists the pump is called the _____

Answer 29

Discharge side

Question 30

The pipe that leads from the apparatus water tank to the fire pump is commonly referred to as the _____

Answer 30

Tank to pump

Question 31

The tank to pump piping also contains a ______ which allows water to flow only from the tank into the pump and not back inside the tank

Answer 31

Check valve

Question 32

Most common intake connections are national standard thread or sexless type connections, such as a _________

Answer 32

Storz connector

Question 33

Each intake valve that has a connection larger than 3 inches must be equipped with an adjustable _______ installed on the supply intake of the valve to bleed off excess pressure coming into the valve.

Answer 33

Automatic intake pressure relief valve

Question 34

Each intake valve must also be equipped with a ______ to remove any air trapped in a hose before it enters the centrifugal fire pump

Answer 34

Bleeder valve

Question 35

The ______ of the pump is where the pressurized water is expelled from the pump and distributed to discharge outlets

Answer 35

Discharge side

Question 36

This gauge is connected to the intake side of the pump and measures both a positive pressure and vacuum

Answer 36

Master pump intake gauge

Question 37

The gauge must be labeled as pump intake

Answer 37

Master pump intake pressure gauge

Question 38

This gauge measures the pressure as it leaves the pump and is connected to the discharge side of the pump

Answer 38

Master pump discharge gauge

Question 39

The master pump discharge gauge must be labeled as pump discharge and _______of the master pump discharge

Answer 39

Located 8 inches

Question 40

The ____ is a device on a straight section of pipe, that measures volumetric flow rates, is threaded on each end, and is placed between two sections of hose

Answer 40

Flow meter

Question 41

The ______ is an instrument used for measuring rotational speed, defined as revolutions per minute of the apparatus engine

Answer 41

Tachometer

Question 42

The _______ measures the voltage across the battery terminals and gives an indication of the electrical condition of the battery

Answer 42

Voltmeter

Question 43

The ______ is used to expel any air that may be trapped inside the pump and during drafting operations

Answer 43

Primer control

Question 44

The purpose of a ______ is to control the discharge pressures and thereby protect firefighters who are operating hose streams as well as to protect the discharge hose from damage in the event attack hose streams are shut off or other valves closed, reducing flow rates

Answer 44

Pressure control system

Question 45

The _______ controls pressure by passing water from the discharge side of the pump back into the intake side of the pump

Answer 45

Discharge pressure relief valve

Question 46

The _______ controls the engine speed, which relates directly to the net pump pressure; if the speed is raised, the pressure goes up, and if the speed is lowered, the pressure goes down

Answer 46

Pressure governor

Question 47

In the fire service, this means that different sensors and controls on a pumper are brought to one control board or indicating panel

Answer 47

Multiplexing

Question 48

The simplest form of power supply is available with the

Answer 48

Portable pump

Question 49

Some fire apparatus may have a pump mounted on the front bumper known as a

Answer 49

Front mount

Question 50

Are commonly used for small pumps such as those found on tankers or tenders

Answer 50

Power take off PTO

Question 51

A ______ is mounted to the side of the transmission and through a shaft directed to the gear case on the pump

Answer 51

PTO

Question 52

The most common power system found in pumps is the

Answer 52

Transfer case

Question 53

100 percent of rate capacity at ____ net pump pressure

Answer 53

150 psi

Question 54

70 percent of rated capacity at —- net pressure

Answer 54

200 psi

Question 55

50 percent of rated capacity at ____ net pressure

Answer 55

250 psi

Question 56

This pump is typically carried by two or more firefighters to a water source and used to pump water from that source

Answer 56

Portable pump