IFSTA Numbers Flashcards

1
Q

RPM Lower than Max that Should be used During a Steep Hill Descent

A

200 to 300 RPM

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2
Q

High Idle During Inclement Weather Seasons

A

900 to 1100 RPM

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3
Q

Idle Time Prior to Engine Shutdown

A

3 to 5 Minutes

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4
Q

Corrected Vision Requirements Set by NFPA 1582

A

20/40

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5
Q

Hearing Loss Where FF Candidates Should be Rejected Per NFPA 1582

A

40 Decibels

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6
Q

Minimum Pump Capacity Set for Fire Department Pumpers

A

750 GPM

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7
Q

Minimum Gallons Carred to be Considered Mobile Water Supply

A

1000 Gallons

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8
Q

______ or Greater Should Considered a Tandem Rear Axle or Greater Apparatus Design

A

1500 Gallons

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9
Q

Minimum Pump Capacity for Aerial Apparatus Per NFPA 1901

A

250 GPM @ 150 PSI

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10
Q

Standard Amount of Water that Rescue Pumpers Carry

A

500 Gallons

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11
Q

Standard Pump Capacity of Rescue Apparatus

A

500 GPM

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12
Q

Most Common Sized Electrical Cable for Fire Equipment

A

12g 3 Wire

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13
Q

Max Distance Between Power Unit and Hydraulic Tool

A

100 Feet

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14
Q

Percent of FF Related Injuries and Deaths Due to Vehicle Injuries

A

20 to 25%

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15
Q

Time Required to Get Oil Pressure Reading after Startup

A

5 to 10 Seconds

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16
Q

______ Times Longer it Takes to Stop on Snow and Ice

A

3 to 15 Times

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17
Q

Distance Between Responding Apparatus

A

300 to 500 Feet

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18
Q

Distance to Scan Ahead while Driving on City Streets

A

12 Seconds

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19
Q

Distance to Scan Ahead while Driving on Highways

A

20 Seconds

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20
Q

Collapse Zone =

A

1.5 x Building Height

21
Q

Atmospheric Pressure

A

14.7

22
Q

Energy Required to Convert 1 Gallon of Water into Steam

A

970 BTU

23
Q

Times Water Expands at 212°F

A

1700

24
Q

Weight of 1 Cubic Foot of Water

A

62.5 Pounds

25
Q

Weight of 1 Gallon of Water

A

8.33 Pounds

26
Q

Max Pressure Transfer Valve Should be Operated

A

50 PSI

27
Q

Pressure Piping Systems are Hydro-statically Tested at

A

500 PSI

28
Q

Minimum Flow from Tank to Pump on Pumpers with 500 GPM

A

250 GPM

29
Q

Minimum Flow from Tank to Pump on Pumpers with greater than 500 GPM

A

500 GPM

30
Q

Pressure Under Which Discharge Valves Should Operate

A

250 PSI

31
Q

Pressure Change that Automatic Pressure Control Device should not Allow

A

30 PSI

32
Q

Flow at which the Transfer Valve should be Switched to Volume

A

> 50% Capacity

33
Q

Minimum Residual Pressure when Flowing from a Hydrant

A

20 PSI

34
Q

Drop in Pressure = 3 Additional Lines May be Added

A

0 to 10% PSI

35
Q

RPM to Properly Prime the Engine

A

1000 to 1200 RPM

36
Q

Drop in Pressure = 2 Additional Lines May be Added

A

11 to 15% PSI

37
Q

Drop in Pressure = 1 Additional Line May be Added

A

16 to 25% PSI

38
Q

Amount of Water Needed Above a Strainer

A

2 Feet

39
Q

Level that a Low Level Strainer may get to

A

2 inches

40
Q

Temperatures that may Affect the Pump’s Ability to Run at Capacity

A

90°F

41
Q

Time Required to Prime the Pump

A

10 to 15 Seconds

42
Q

Pressure to Pump FDC

A

150 PSI

43
Q

Proportioning for Class A foam with a Fog Nozzle

A

0.2 to 0.5%

44
Q

Proportioning for Class A foam with an Air Aspirating Nozzle

A

0.3 to 0.7%

45
Q

Proportioning for Class B foam to use on Hydrocarbons

A

3%

46
Q

Proportioning for Class B foam to use on Polar Solvents

A

6%

47
Q

Delay in Air Brake Activation

A

0.4 Seconds

48
Q

Head Pressure for 1 PSI in Feet (Height)

A

2.304 Feet