R5 Engine Academy Pre Test

Front 1

1.To keep a Forest Service engine with a full tank of water ready during freezing weather, which valve/valves should be closed?

Back 1

1,2,13,(15 volume),17,18

Hint 1

A. 1,2,17

B. 1,2,13,15(v),17,18

C. 11

D. 3,8

Front 2

2.How many inches of vacuum are necessary to lift water six feet?

Back 2

6 hg

Hint 2

A. 10 inches

B. 8 inches

C. 12 inches

D. 6 inches

Front 3

3. A Model 62 engine has what kind of pump

Back 3

2 stage centrifugal pump

Hint 3

A. Single stage positive displacement pump

B. 2 stage centrifugal pump

C. 4 stage centrifugal pump

D. 3 stage positive displacement pump

Front 4

4. A positive displacement pump should have apressure relief valve.

Back 4

True

Hint 4

A. True B. False

Front 5

5. What do the following abbreviations mean?

GVWR-

NPSH-

NH-

GPM-

PSI-

CJRL-
WCF -

Back 5

GVWR-gross vehicle weight rating

NPSH-national pipe standard hose

NH-national hose

GPM-gallon per minute

PSI-Pounds per square inch

CJRL- cotton jacket rubber lined hose

WCF - working capital fund

Front 6

6. When testing fire hose, the total length of each line tested shall not exceed?

Back 6

300 feet @ 300 psi for 3 minutes

Hint 6

A, 300 feet

B, 150 feet

C, 100 feet

D, any length needed

Front 7

7. the pump on a model 62 type 3 engine is rated at _______ gpm @ _________ psi

Back 7

400 GPM @ 150 PSI pressure

200 GPM @ 400 PSI volume

Front 8

8. How many gallons of water are contained in a 100 foot section of 1 1/2 inch hose?

Back 8

9.2 gallon

Hint 8

A. 12 gallons

B. 5.1 gallons

C. 7.4 gallons

D. 9.2 gallon

Front 9

9. One psi lifts water _______ feet

Back 9

2 feet

Hint 9

A. 1

B. 2

C. 3

D. 4

Front 10

10.Explain friction loss

Back 10

when moving water comes in contact with the inner lining of the hose, a loss of energy will occur due to friction

Front 11

11. The friction loss in 1-inch hose is approximately 6 times greater than 1 1/2inches of hose

Back 11

false its 7 times greater

Hint 11

A. true B. False

Front 12

12. Friction loss decreases as flow ___________.(GPM)

Back 12

decreases

Front 13

13. A "Floto-pump" is a self priming pump and can be started before it is set in water.

Back 13

True

Hint 13

A. True B. False

Front 14

14. When drafting from a stream, the suction screen should be deep enough to maintain a prime.

Back 14

True-16 to 18 inches

Hint 14

A. True B. False

Front 15

15. Which of the following conditions can cause cavitation in a fire pump?

Back 15

High demand on the nozzles

A blocked or inadequate suction strainer.

Using too small or too long of section hose

Clog strainer

Hint 15

A. Rising water temperature in your pump

B. A blocked or inadequate suction strainer

C. Using too small or too long of section hose

D. All of the aboveE. None of the above

Front 16

16. After off road use with an engine, it is advisable to check for rocks between the duals and for possible tire sidewall damage.

Back 16

True

Hint 16

A. True B. False

Front 17

17. A backup person is only required when you cannot see behind the engine.

Back 17

False

Hint 17

A. True B. False

Front 18

18. Name the number one priority in all fire service.

Back 18

Life & safety

Hint 18

A. Life / safety

B. Property protection

C. Resource protection

D. hazard pay

Front 19

19. Diesel engines are just naturally oily so leaks are to be expected.

Back 19

False

Hint 19

A. True B. False

Front 20

20. Pick the best answer: what is the probable cause of a "howling, squealing" fan belt?

Back 20

Belt is loose

Hint 20

A. Belt is loose

B. Belt is dirty

C. Belt is cracked

D. None of the above

Front 21

21. What kind of contamination in the fuel system is the "typical" cause of diesel engine failure?

Back 21

Water

Hint 21

A. Oil

B. Water

C. Other fuel

Front 22

22. What are four items to check during a pre use inspection (pick the best answer)?

Back 22

Tires, lights/signals, engine oil level, coolant level in radiator,

Hint 22

A. Tires, lights/signals, engine oil level, coolant level in radiator,

B. Windshield wipers, tires, map kit, equipment maintenance log, radio

C. Brakes, driver's license, first aid kit, windows

Front 23

23. Which one of the below is not part of leader's intent (according to the IRPG)?

Back 23

Direction

Hint 23

A. End state

B. Task

C. Direction

D. Purpose

Front 24

24. Which of the following is not part of the risk management process (according to the IRPG)?

Back 24

Hazard avoidance

Hint 24

A. Evaluate

B. Hazard control

C. Decision point

D. Hazard assessment

E. Situation awareness

F. Hazard avoidance

Front 25

25. By adding a surfactant to water we are able to lower the ________ of water.

Back 25

surface tension

Front 26

26. List the three properties of foam.

Back 26

A. smothering the fire

B.separates the flames/ignition source from the fuel surface.

C. suppresses the release of flammable vapors that can mix with air

D.cools

Front 27

27. Match the application to the type of foam(s) best suited for the work (choose all that apply).

Back 27

Direct attack _ A.Foam solution indirect attack _B.wet foam

mop up _C. fluid foam

structure protection _D.dry foam

Hint 27

Direct attack ___

indirect attack ___

mop up ___

structure protection ___

Front 28

28. Utilizing the model naming convention, what do the 3 digits of a model 346 type 3 engine signify?

Back 28

A. 3 = type

B. 4 = 4 wheel or 2 wheel drive

C. 6 = gallons

Front 29

29.To pump water through a 1-1/2” line from a pond to a fire, what valves must be opened

Back 29

8-3-19

Front 30

30. How many gallons of water are contained in a 100 foot section of 1 inch hose?

Back 30

4 gallons

Hint 30

A. 6 gallons

B. 5.1 gallons

C. 4 gallons

D. 9.2 gallon

Front 31

31.What is the atmospheric pressure at sea level on a standard day?

Back 31

14.7 pounds per square inch (psi)

Front 32

32.According to the NWCG National Incident Operations Driving Standard, multiple drivers can driveup to the duty day limitation as long as no single driver exceeds____ hours behind the wheel.

Back 32

10

Front 33

33.____________ systems are designed to provide improved vehicle stability by reducing wheel lockor wheel slip during conditions of aggressive braking or impaired traction

Back 33

Anti-Lock Braking (ABS)

Hint 33

A. Anti-Compounding

B. Automatic Transmission

C. Cruise Control

D. Secondary Braking

E. Anti-Lock Braking (ABS)

Front 34

34. On a green arrow, you must:

Back 34

Yield to any vehicle, bicycle, or pedestrian

Hint 34

A. Yield to any vehicle, bicycle, or pedestrian

B. Yield to pedestrians only in the intersection

C. Wait 4 seconds before proceeding

Front 35

Newton's first law of motion

Back 35

Every object in a state of uniform motion tends to remain in that state of motion unless an external force is applied to it.

Front 36

Newton second law of motion

Back 36

A body will accelerate with acceleration proportional to the force and inversely proportional to the mass.

Front 37

Newton's third law of motion

Back 37

For every action there is an equal and opposite reaction.

Front 38

Back 38

Push Rod

Front 39

Back 39

Axle housing

Front 40

Back 40

slack adjuster

Front 41

Back 41

Brake cam (s-cam)

Front 42

Back 42

Cam roller

Front 43

Back 43

Brake Shoe

Front 44

Back 44

Brake Shoe Lining

Front 45

Back 45

Return Spring

Front 46

Back 46

Brake Drum

Front 47

Back 47

Axle

Front 48

how much does 1 gallon of water weigh

Back 48

8.34