Chapter 15 - Apparatus Testing Flashcards Preview

IFSTA Pumping and Aerial Apparatus Driver/Operator Handbook - 3rd Edition > Chapter 15 - Apparatus Testing > Flashcards

Flashcards in Chapter 15 - Apparatus Testing Deck (17)
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1

Pre-service testing includes _________, ________, and __________.

Manufacturer's tests, Pump certification tests, acceptance tests

2

During manufacturer tests, the apparatus being tested much meet the following minimum standards:

> The apparatus must accelerate to 35 mph from a standing start within 25 seconds.
> The apparatus must achieve a maximum top speed of 50 mph.
> The apparatus must come to a full stop from 20 mph within 35 feet
> The parking brake installed on the vehicle must conform to the specifications listed by its manufacturer.

3

The pump body as well as the entire intake and discharge piping system, with exception of the tank fill and tank-to-pump lines on the tank side of the valves, are subjected to a minimum hydrostatic test pressure of ____ psi for a minimum of ___ minutes.

500 psi for 10 min

4

The NFPA 1901 standard requires the following certification tests be conducted for apparatus equipped with a fire pump of 750 gpm up to 3,000 gpm: (10)

> Engine Speed Check
> Pumping
> Pumping Engine Overload
> Pressure Control System
> Priming System
> Vacuum
> Water Tank-To-Pump
> Engine Speed Interlock
> Gauge and Flowmeter
> Manufacturer's Predelivery

5

The requirements for fire department service testing are contained in NFPA 1911. Based on this standard, a pumper must be performance tested at least _______, or whenever it has undergone major pump or powertrain repair.

Once a year.

6

NFPA 1911 Performance testing includes: (11)

> Engine Speed Check
> Pump Shift Indicator
> Pump Engine Control Interlock
> Priming System
> Vacuum
> Pumping Test for Fire Pumps
> Overload
> Pressure Control Test for Fire Pumps
> Intake Relief Valve System
> Gauge Test Flowmeter
> Tank-To-Pump Flow

7

The water level of the static source must be at least ___ feet deep, with the strainer submerged at least ___ feet below the surface.

4 ft
2 ft

8

The distance of the centerline of the pumper intake above the surface of the water is based on its capacity. For pumps rated at _____ gpm or less, ___ feet is the maximum distance, while _____ gpm pumps use a ___ foot maximum lift

<= 1,500 gpm - 10 ft max lift
2,000 gpm - 6 ft max lift

9

A __ in drop in barometric pressure reduces static lift of a pumper by approximately __ ft.

1 in drop
1 foot

10

During hose testing, if the scribe mark is found to have moved away more than ____ of an inch from the coupling, stop the test and replace the hose.

3/8 in

11

Performance tests are conducted at ____ psi, ____ psi, ____ psi, and ____ psi net pump discharge pressure.

150
165
200
250

12

Pressure correction formula

PC = (Lift + Total intake Hose Friction Loss) / 2.3

13

According to NFPA 1911, fire pumps of _____ gpm capacity must achieve prime in ___ seconds or less, and those ratted at _____ gpm must be primes within ___ seconds. Additional specifications offer increased time based on the size of intake piping.

1,250 gpm - 30 sec
1,500 gpm - 45 sec

14

The difference in readings between the flowmeter and pitot gauge must not be more than ___ percent.

10%

15

Pumpers with an onboard tank capacity of ____ gallons or less must be capable of flowing ____ gpm from their onboard tank. Pumpers with a capacity of greater than ____ gallons must be capable of flowing at least ____ gpm

<= 500gallons - 250 gpm
> 500 gallons - 500 gpm

16

The methods for teting a goam proportioning system for calibration accuracy are: (4)

> Foam concentration displacement method
> Foam concentration pump discharge volume method
> Foam solution refractivity testing
> Foam solution conductivity testing

17

Conductivity Test for Foam Concentrate in Solution Formula

% of Concentrate in Solution = ((Conductivity of Solution) - (Conductivity of Water)) / 500