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Q1: A venture meter is fitted in a pipe of 30 cm diameter inclined at...
fluid Q2: A centrifugal pump with an impeller diameter of 220 mm has to pump 0.02...
fluid
Q2: A centrifugal pump with an impeller diameter of 220 mm has to pump 0.02 mº/s of brackish water to an RO unit with following performance data at the best efficiency point: impeller speed =3000 rpm, total head= 68 m, net positive suction head=1.8 m, input power=16 hp. Evaluate the performance of a homologous pump with twice the impeller diameter operating at half the impeller speed. (15 Marks) 2016)
Open with Google Docs ▼ Question 3 Calculate the flow rate of water in a pipe of 30 cm diameter placed in an inclined position where a venturi meter is inserted, having a throat diameter of 15...
Open with Google Docs ▼ Question 3 Calculate the flow rate of water in a pipe of 30 cm diameter placed in an inclined position where a venturi meter is inserted, having a throat diameter of 15 cm. The difference of pressure between the main and throat is measured by a liquid of s.g. 0.6 in an inverted U-tube which gives a reading of 30 cm. The loss of head between the main and throat is 0.2 times the kinetic...
Q8 A horizontal pipe 50 mm diameter is fitted with a venturi tube, which has a...
Q8 A horizontal pipe 50 mm diameter is fitted with a venturi tube, which has a throat diameter of 40 mm. The pipe carries water at a pressure of 30 kPa gauge and velocity 3 m/s upstream of the throat. Determine: a. The mass flow rate; b. The velocity at the throat C. The pressure at the throat ignoring head losses: d. The pressure at the throat if a head loss equal to 5% of the total head occurs as...
A venturi meter with a diameter of 30 cm at the entrance and 15 cm at...
A venturi meter with a diameter of 30 cm at the entrance and 15
cm at the throat, is connected to a vertical pipe of diameter 30cm
carrying oil of specific gravity 0.9. The difference in elevation
of the throat section and the entrance of the venturi meter is 30
cm. The mercury manometer shows a gauge deflection of x =
1000mm.
Determine
1) the discharge of oil; and
2) the pressure difference between the entrance section and
throat section....
In a 100 mm diameter horizontal pipe, a venturimeter of 0.5 contraction ratio has been fitted....
In a 100 mm diameter horizontal pipe, a venturimeter of 0.5 contraction ratio has been fitted. The head of water on the meter when there is no flow is 3 m (gauge). Find the rate of flow for which the throat pressure will be 2m of water absolute. Discharge coefficient for the meter is 0.97
Prob5 A venture meter having a throat diameter of 150 mm is installed in a horizontal...
Prob5 A venture meter having a throat diameter of 150 mm is installed in a horizontal 300-mm-diameter water main, as shown in figure below. The discharge coefficient, C = 0.982. Determine the difference in level of the mercury columns of differential manometer attached to the Venturi meter if discharge is 0.142 m/s. Flog Mercury
(c) A venturi meter is mounted in a pipeline of diameter 150 mm, which is inclined at 30° from the horizontal. Water is flowing upwards through the pipeline. The throat diameter of the venturi meter...
(c) A venturi meter is mounted in a pipeline of diameter 150 mm, which is inclined at 30° from the horizontal. Water is flowing upwards through the pipeline. The throat diameter of the venturi meter is 90 mm. One static pressure tapping is located at the throat and another 0.3 m upstream in the pipeline. The pressure difference measured between the two tappings is 200 mm of mercury. The coefficient of discharge for the meter is 0.97. Determine the actual...
Chapters Six & Seven Problems: 6.11 The venture meter shown in Figure 6.4 carries oil (sg-0.85)....
Chapters Six & Seven Problems: 6.11 The venture meter shown in Figure 6.4 carries oil (sg-0.85). The specific gravity of the gage fluid in the manometer is 1.5. Calculate the volume flow rate of oil in m'/s. 7.1 The pump in Figure 7.1 provides head of 59.5 ft, and power of 13.5 hp to deliver water from the lower to the upper reservoir. Calculate; a. Volume flow rate in the suction and discharge pipe. b. Velocity of flow in suction...
02. centrifugal pump draws benzene at 25°C (sp. weight of benzene 8.59 kN/m) om a tank whose level is 2.6 m below the pump inlet. The atmospheric pressure (abs). The head loss in the suction pipi...
02. centrifugal pump draws benzene at 25°C (sp. weight of benzene 8.59 kN/m) om a tank whose level is 2.6 m below the pump inlet. The atmospheric pressure (abs). The head loss in the suction piping due to friction and minor osses is 0.8 N.m /N. The vapor pressure of benzene is 13.3 kPa (abs). Determine he available net positive suction head (NPSH) and tell f it is acceptable or not. (10 points) Discharge ine Flew 2.6 m What is...
Fluid Mechanics & Fluid Power Determine the NPSH available. The pressure in the tank is - 20 kPa at 70 °C (atmospheric pressure is 100.5 kPa). The water level in the tank is 2.5 above the pump in...
Fluid Mechanics & Fluid Power
Determine the NPSH available. The pressure in the tank is - 20 kPa at 70 °C (atmospheric pressure is 100.5 kPa). The water level in the tank is 2.5 above the pump inlet. The pipe is 1%", schedule 40 with a total length of 12 m. The elbow is standard, and the globe valve is fully open. The flow rate is 95 L/min. FIGURE 13.27 llustration of pump performance for different impeller diameters with net...
fluid
Q2: A centrifugal pump with an impeller diameter of 220 mm has to pump 0.02 mº/s of brackish water to an RO unit with following performance data at the best efficiency point: impeller speed =3000 rpm, total head= 68 m, net positive suction head=1.8 m, input power=16 hp. Evaluate the performance of a homologous pump with twice the impeller diameter operating at half the impeller speed. (15 Marks) 2016)
Open with Google Docs ▼ Question 3 Calculate the flow rate of water in a pipe of 30 cm diameter placed in an inclined position where a venturi meter is inserted, having a throat diameter of 15 cm. The difference of pressure between the main and throat is measured by a liquid of s.g. 0.6 in an inverted U-tube which gives a reading of 30 cm. The loss of head between the main and throat is 0.2 times the kinetic...
Q8 A horizontal pipe 50 mm diameter is fitted with a venturi tube, which has a throat diameter of 40 mm. The pipe carries water at a pressure of 30 kPa gauge and velocity 3 m/s upstream of the throat. Determine: a. The mass flow rate; b. The velocity at the throat C. The pressure at the throat ignoring head losses: d. The pressure at the throat if a head loss equal to 5% of the total head occurs as...
A venturi meter with a diameter of 30 cm at the entrance and 15
cm at the throat, is connected to a vertical pipe of diameter 30cm
carrying oil of specific gravity 0.9. The difference in elevation
of the throat section and the entrance of the venturi meter is 30
cm. The mercury manometer shows a gauge deflection of x =
1000mm.
Determine
1) the discharge of oil; and
2) the pressure difference between the entrance section and
throat section....
In a 100 mm diameter horizontal pipe, a venturimeter of 0.5 contraction ratio has been fitted. The head of water on the meter when there is no flow is 3 m (gauge). Find the rate of flow for which the throat pressure will be 2m of water absolute. Discharge coefficient for the meter is 0.97
Prob5 A venture meter having a throat diameter of 150 mm is installed in a horizontal 300-mm-diameter water main, as shown in figure below. The discharge coefficient, C = 0.982. Determine the difference in level of the mercury columns of differential manometer attached to the Venturi meter if discharge is 0.142 m/s. Flog Mercury
(c) A venturi meter is mounted in a pipeline of diameter 150 mm, which is inclined at 30° from the horizontal. Water is flowing upwards through the pipeline. The throat diameter of the venturi meter is 90 mm. One static pressure tapping is located at the throat and another 0.3 m upstream in the pipeline. The pressure difference measured between the two tappings is 200 mm of mercury. The coefficient of discharge for the meter is 0.97. Determine the actual...
Chapters Six & Seven Problems: 6.11 The venture meter shown in Figure 6.4 carries oil (sg-0.85). The specific gravity of the gage fluid in the manometer is 1.5. Calculate the volume flow rate of oil in m'/s. 7.1 The pump in Figure 7.1 provides head of 59.5 ft, and power of 13.5 hp to deliver water from the lower to the upper reservoir. Calculate; a. Volume flow rate in the suction and discharge pipe. b. Velocity of flow in suction...
02. centrifugal pump draws benzene at 25°C (sp. weight of benzene 8.59 kN/m) om a tank whose level is 2.6 m below the pump inlet. The atmospheric pressure (abs). The head loss in the suction piping due to friction and minor osses is 0.8 N.m /N. The vapor pressure of benzene is 13.3 kPa (abs). Determine he available net positive suction head (NPSH) and tell f it is acceptable or not. (10 points) Discharge ine Flew 2.6 m What is...
Fluid Mechanics & Fluid Power
Determine the NPSH available. The pressure in the tank is - 20 kPa at 70 °C (atmospheric pressure is 100.5 kPa). The water level in the tank is 2.5 above the pump inlet. The pipe is 1%", schedule 40 with a total length of 12 m. The elbow is standard, and the globe valve is fully open. The flow rate is 95 L/min. FIGURE 13.27 llustration of pump performance for different impeller diameters with net...
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