IFSTA DRIVER OPERATOR QUESTIONS AND ANSWERS VERIFIED ANSWERS
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Course
NURSING 706
Institution
NURSING 706
IFSTA DRIVER OPERATOR QUESTIONS AND ANSWERS (2023/2024) (VERIFIED ANSWERS)
WHEN A RELAY PUMPING IS COMPLETE WHICH ENGINE SHOULD SHUT DOWN FIRST
WHEN RELAY PUMPING WHICH MODE SHOULD THE TOTAL CONTROL BE IN
THE MAXIMUM HEIGHT OF ALLOWABLE LIFT IS AFFECTED BY WHAT 3 THINGS
HOW MUCH WATER SHOULD BE...
IFSTA DRIVER OPERATOR QUESTIONS AND
ANSWERS (2023/2024) (VERIFIED ANSWERS)
1). When a relay pumping is complete which engine should shut down first
Ans: ATTACK ENGINE AT THE SCENE
2). When relay pumping which mode should the total control be in
Ans: RPM MODE
3). The maximum height of allowable lift is affected by what 3 things
Ans: LENGTH OF INTAKE HOSE
AMOUNT OF NEGATIVE PRESSURE FROM PRIMING DEVICE
EXISTING ATMOSPHERIC PRESSURE
4). How much water should be surrounding the strainer in a drafting operation
Ans: 2 FT IN ALL DIRECTIONS
5). Voltmeters function
Ans: BATTERY CONDITION
6). Ammeters function
Ans: STATUS OF THE VEHICLES ALTERNATOR AND CHARGING SYSTEM
7). How does the electronic governor protect the engine from cavatation
Ans: RETURNING THE ENGINE TO IDLE WHEN INTAKE PRESSURE DROPS BELOW 30
PSI
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, 8). Most common type of valve that offers minimum friction loss
Ans: BALL VALVE
9). How many shafts and drive trains per impeller
Ans: ONE
10). Two types of centrifugal pumps
Ans: MULTI AND SINGLE STAGE
11). Volute
Ans: WATER PASSAGE OF GRADUALLY INCREASING SIZE AS IT NEARS THE
DISCHARGE
12). Speed of the impeller is directly correlated to what ?
Ans: PRESSURE
13). Which type of pump is not self priming
Ans: CENTRIFUGAL PUMP
14). In which pump is the rotor mounted off center inside the housing
Ans: ROTARY VANE PUMP
15). Two common indicator valves
Ans: PIV
OS&Y
16). Primary feeders
Ans: The largest-diameter pipes in a water distribution system, carrying the greatest
amounts of water.
17). Dead end hydrant
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