Figure 11.15 shows a portion of a hydraulic circuit. The pressure at point B must be 200 psig when the volume flow rate is 60 g a l / m i n . The hydraulic fluid has a specific gravity of 0.90 and a dynamic viscosity of 6.0 × 10 − 5 l b − s / f t 2 . The total length of pipe between A and B is 50 f t . The elbows are standard. Calculate the pressure at the outlet of the pump at A
Figure 11.15 shows a portion of a hydraulic circuit. The pressure at point B must be 200 psig when the volume flow rate is 60 g a l / m i n . The hydraulic fluid has a specific gravity of 0.90 and a dynamic viscosity of 6.0 × 10 − 5 l b − s / f t 2 . The total length of pipe between A and B is 50 f t . The elbows are standard. Calculate the pressure at the outlet of the pump at A
Figure 11.15 shows a portion of a hydraulic circuit. The pressure at point B must be
200
psig when the volume flow rate is 60
g
a
l
/
m
i
n
. The hydraulic fluid has a specific gravity of 0.90 and a dynamic viscosity of
6.0
×
10
−
5
l
b
−
s
/
f
t
2
. The total length of pipe between A and B is
50
f
t
. The
elbows are standard. Calculate the pressure at the outlet of the pump at A
An air blower is to deliver 40,000 ft^3/min. Two U-tube gages measure suction and discharge pressures. The suction gauge reads a negative 2′′ of water. The discharge gage, located 3 ft above the point to which the suction gauge is attached, reads +3′′ of water. The discharge and suction ducts are of equal diameter. What size motor should be used to drive the blower if the overall efficiency is 68% (γ = 0.0750 lb/ft^3 for air)?
Show all problem solution's steps. Direct formula substitution solutions will have NO CREDIT POINTS.
1.A 50 mm Venturi meter (C = 0.96) is installed in a 100 mm diameter horizontal pipe carrying oil having a specific gravity of 0.82. If the recorded actual flow in the Venturi meter was 15 liters per second, what could have been the deflection of water in the differential manometer connected between the inlet and the throat? Determine the headloss in the Venturi meter.
A 75 mm diameter fire hose discharges water through a nozzle having a jet diameter of 25 mm. The lost head in the nozzle is 25% of the velocity head in the jet. If the pressure at the base of the nozzle is 625 KPa: compute the discharge in m3/min; the maximum horizontal range to which the stream can be thrown; the maximum vertical reach, and the diameter of the jet at a point two-third of the maximum vertical reach from the tip of the nozzle. Neglect air resistance.
Pitot tube is a flow rate measuring device which measures exactly the quantity of fluid flowing every second in a pipe.
Select one:
True
False
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