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Engineer's Process 2020 > E One Specifics > Flashcards

E One Specifics Flashcards

1
Q

What kind of compressed air should you use for debris removal?

A

air with less than 30 psi

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2
Q

When should you not operate sirens or air horns when around other firefighters?

A

If they are standing within 50 feet of the front of the truck

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3
Q

What is the normal sound in the interior cab?

A

Below 90 dba

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4
Q

What is the sound when sirens and air horns are activated?

A

Over 94 dba

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5
Q

T/F fire helmets should not be worn inside the truck?

A

True they should not be worn

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6
Q

High pressure tires are preferred for what?

A

highway or hard surfaces

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7
Q

Low pressure tires are preferred for what?

A

off road or soft surfaces

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8
Q

How far ahead should you look while driving?

A

12-15 seconds ahead

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9
Q

Braking distances can ____ when the vehicle is loaded

A

double

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10
Q

You should never do what down the hill?

A

Coast in neutral

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11
Q

What should you do in the case of a cab fire?

A

Stop the truck, apply brake, shut off engine, shut off master power, evacuate

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12
Q

What is the weight allowance for our engine?

A

1,000 lbs (454 kilos)

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13
Q

What is the unequipped personnel allowance?

A

250 lbs per person

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14
Q

If the weight of the truck exceeds _____ what must be done?

A

if it exceeds 2,500 lbs it must be weighed

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15
Q

When should you check the wheel nut torque?

A

after 50-100 miles of operation following a wheel change

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16
Q

You should always do what with the wheels when your truck is in stationary firefighting mode?

A

Chock the wheels at a minimum chock the rear wheels

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17
Q

Where should you place your wheel chocks?

A

The downhill side with 2 chocks on 2 different tires

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18
Q

Seat belts meet what standard?

A

Federal Motor Vehicle Safety Standard 209

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19
Q

Seat belts are recommended for all those over how many lbs?

A

50 lbs

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20
Q

If the truck is involved in an accident what must happen with the seatbelts?

A

The seat belt assembly must be replaced before going back into service

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21
Q

How long should it take for the gauge to read the oil pressure when first starting the truck?

A

15 seconds, if it doesn’t shut off the engine

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22
Q

Low oil pressure indicator turns at at what?

A

If oil pressure drops below 5 psi.

Pull over immediately and turn truck off to avoid damage

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23
Q

Low air indicator turns on at what?

A

air pressure falls below 70 psi

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24
Q

Voltage indicator turns on when?

A

If voltage falls below 11.8 volts or above 14.5 volts

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25
Q

Transmission oil high indicator turns on when?

A

If temp rises above 250 degrees

Pull over with engine running until temp returns to normal range

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26
Q

Coolant light comes on if temp exceeds?

A

220 degrees

Pull over with engine running until temp returns to normal range

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27
Q

How long should you engage the engine start switch?

A

No longer than 15 seconds, master switch must be in the ignition position

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28
Q

At what pressure will the parking brake not release at?

A

70 psi the parking brake will not release

Put truck in high idle to speed air pressure build up

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29
Q

What should not be blended together?

A

Gasoline or alcohol with diesel fuel

30
Q

You should not operate engines in what?

A

enclosed areas, make sure bay doors are open

31
Q

When should you check the oil?

A

after the engine has been shutdown for at least 15-20 minutes

32
Q

When should you check the coolant levels?

A

When the engine is cold

33
Q

What must be down prior to tilting the cab?

A 
Engine is off
Master power switch is on
Loose items in cab are secured
Front bumper is clear
Good overhead clearance available 
Air packs that could come loose are removed
All doors are closed
34
Q

Before shutting off the engine you should let the engine run at idle with no load for how long?

A

4-5 minutes

35
Q

You should not do what with the last negative jumper cable?

A

Do not connect directly to terminal on dead battery, make connection to the vehicle frame

36
Q

What does it mean when the REGEN light comes on?

A

the aftertreatment diesel particulate filter requires regen in the next 2-6 hours of operation

37
Q

What are the two ways to do active REGEN?

A

Stationary (parked)

Mobile (driving at highway speed)

38
Q

What are the two types of REGEN?

A

Active & Passive

39
Q

What is Passive REGEN?

A
  • no engineer interaction, when exhaust flow is high enough it will clean itself automatically
40
Q

What is active REGEN?

A

heats up DFP by adding hydrocarbons into the system, exhaust temp reaches up to 1112 F or 600 C

41
Q

What must be illuminated before REGN can start?

A

REGEN light must be illuminated or flashing

42
Q

How often is REGEN necessary?

A

It varies from daily to 2-3 times per week

43
Q

How long does REGEN take?

A

Stationary (parked) 30-60 minutes

Mobile (driving) 30 minutes

44
Q

What must happen during mobile active regen?

A

truck must be going 40 mph to start and remain above 5 mph until the regen lamp goes out

45
Q

What must happen during stationary regen?

A

Park in an appropriate location
Set up safe exhaust area
Disconnect PTO devices
Press regen switch for 4 seconds

46
Q

How do you stop a stationary regen process

A

depress the throttle pedal

47
Q

How long will exhaust gas and exhaust temps be hot for after regen process is done?

A

3-5 minutes

48
Q

How many warnings are there for the REGEN process?

A

3

49
Q

1st REGEN indication is what?

A

solid REGEN light , you will have 4-6 hours before the second warning

50
Q

2nd REGEN indication is what?

A

flashing REGEN light you will have 2-4 hours before the third warning

51
Q

3rd REGEN indication is what?

A

flashing REGEN light and a check engine light. You have 1-2 hours before stop engine light comes on

52
Q

How long do you have from the initial REGN warning to the last working?

A

8 hours

53
Q

What kind of fuel are engines required to have?

A

Ultra Low Sulfur Diesel fuel

54
Q

How much fuel does our tank hold?

A

50 gallons

55
Q

Check transmission light normally comes on when?

A

When you start the engine, if it does not something might be wrong

56
Q

Transmission is considered to be over heated when what happens?

A

Sump fluid is (250 F)
Fluid to Cooler is (300 F)
Retarder out fluid is (330 F)

57
Q

Our truck has what kind of air system?

A

split brake system

58
Q

Daily and weekly inspections of engine fall under what NFPA Standard?

A

NFPA 1002

59
Q

The speedometer should read what when shifting into pump?

A

Between 5-15 mph

60
Q

Master intake gauge must have a minimum of what?

A

5 psi

61
Q

To increase pressure you must do what?

A

reduce the pump flow

62
Q

Stop priming the pump if water does not discharge on the ground in

A

30 seconds

63
Q

Hi Flo indicates what?

A

water delivery rate is too high for foam pump capacity

64
Q

Lo Flo indicates what?

A

foam delivery rate is below pump capacity

65
Q

What classification is our engine

A

A type I engine

66
Q

What is the fuel efficiency of our engines?

A

3%

1 Gal of DEF fuel for every 100 miles driven

67
Q

DEF solution is composed of what?

A

32.5% urea and 67.5% de-ionized water

68
Q

What happens when DEF tank level drops below 10%?

A

yellow warning light comes on

69
Q

What happens when DEF tank level drops below 5%?

A

light starts flashing

70
Q

What happens when DEF tank level drops below 2.5%?

A

solid yellow warning light comes on

71
Q

What do you do if you spill 10 gallons or less of DEF fuel?

A

wash away with water or wipe it up, if more than 10 gallons contact fleet services, BC152 ISO, or GFD Hazmat Team

Engineer's Process 2020 (6 decks)

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