DPO CHAPTER 7 STUDY GUIDE
(THEORETICAL PRESSURE
CALCULATIONS) | IFSTA 3RD EDITION |
QUESTIONS WITH CORRECT
ANSWERS!!
1 of 32
Term
The pump discharge pressure should be calculated and set based
on: (219)
Give this one a try later!
B. hoseline with the greatest D. hoseline with the least friction
pressure requirement. loss.
, C. the average pressure A. the shortest hoseline available.
requirement of all
hoselines.
Don't know?
2 of 32
Term
Which method of determining friction loss involves the use
of in-line gauges to measure friction loss at various flows
through specific hose layouts? (211)
Give this one a try later!
B.Using calculations B. Hose length.
A. C. Pump Discharge Pressure −
Performing tests Intake Reading
Don't know?
3 of 32
Term
For which of the following is a nozzle pressure of 100 psi
(700 kPa) a safe and efficient nozzle pressure? (219)
Give this one a try later!
, A. Fog nozzle C. water-aspirating type nozzle
B.air-aspirating type nozzle C. Solid stream nozzle (handline)
Don't know?
4 of 32
Term
Which of the following is a friction loss guideline in a hose
assembly when flowing 350 gpm (1 400 L/min) or greater?
(213)
Give this one a try later!
D. There is a loss of 10 psi
(70 kPa) for each B. There is no loss for any
appliance, other than appliance used.
master stream devices.
C. There is a loss of 15 psi (105 A. There is a gain of 5 psi (35
kPa) for each appliance. kPa) for each appliance.
Don't know?
(THEORETICAL PRESSURE
CALCULATIONS) | IFSTA 3RD EDITION |
QUESTIONS WITH CORRECT
ANSWERS!!
1 of 32
Term
The pump discharge pressure should be calculated and set based
on: (219)
Give this one a try later!
B. hoseline with the greatest D. hoseline with the least friction
pressure requirement. loss.
, C. the average pressure A. the shortest hoseline available.
requirement of all
hoselines.
Don't know?
2 of 32
Term
Which method of determining friction loss involves the use
of in-line gauges to measure friction loss at various flows
through specific hose layouts? (211)
Give this one a try later!
B.Using calculations B. Hose length.
A. C. Pump Discharge Pressure −
Performing tests Intake Reading
Don't know?
3 of 32
Term
For which of the following is a nozzle pressure of 100 psi
(700 kPa) a safe and efficient nozzle pressure? (219)
Give this one a try later!
, A. Fog nozzle C. water-aspirating type nozzle
B.air-aspirating type nozzle C. Solid stream nozzle (handline)
Don't know?
4 of 32
Term
Which of the following is a friction loss guideline in a hose
assembly when flowing 350 gpm (1 400 L/min) or greater?
(213)
Give this one a try later!
D. There is a loss of 10 psi
(70 kPa) for each B. There is no loss for any
appliance, other than appliance used.
master stream devices.
C. There is a loss of 15 psi (105 A. There is a gain of 5 psi (35
kPa) for each appliance. kPa) for each appliance.
Don't know?
