2. Common Fluids Conversions - Please calculate the following: a. 50 GPM to ft/s in a 4" Sch 40 pipe b. 15 GPM to lbm/s of Chloroform at 25°C C. 30 psi to ft lb/lbm of Water at 50°C
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- A worker is pressure washing a deck 4.7 meters above an alligator pond. The pressure washer produces 10 liter per minute steam of water through a nozzle with a diameter of 2.5 millimeters. A 12V battery supplies power to an electronically powered centrifugal pump that draws water from a pond. Assuming a 50% efficient system, what is the amount of electrical current that the battery must supply?Water is to be pumped to an atmospheric rooftop storage tank atop a 5-story building, 75 feet above ground-level. A pump station is located at the ground-level. The suction line is a 2-inch ID commercial steel pipe tapped into a municipal supply line maintained at 50 PSIG 5 feet below ground-level. The discharge line is 1.5-inch ID commercial steel, and the total length of pipe is approximately 100 ft. There are two ball valves, a water meter, and gate valve on the discharge line. Determine the pump head required to deliver 40 GPM and the pump power that must be supplied to the water. If a pump is required, what is the motor power required if the pump operates at 55% efficiency?In the hydronic system given below, the flow rate through 2 1/2 " pipe between A and B is: (a) 10 GPM (b) 15 GPM (c) 35 GPM (d) None of the above
- A pump discharges into a 3-m per side cubical tank. The flow rate is 300 liters per minute and the fluid has a specific gravity of 1.2. what is the mass flow rate in kg/s?A fan operating at a standard air condition registered a total static head of 230 mm of water gage. If the static efficiency is 65% and the fan efficiency is 80% determined the velocity of air if the volume of air delivered is 6 m3/s. (Let the velocity head to be 35% of the static head).A centrifugal pump as shown in Figure below has a 100 mm diameter suction pipe and a 75 mm diameter delivery pipe. When discharging 15 L/s of water, the inlet water mercury manometer with one side exposed to the atmosphere recorded a vacuum deflection of 198 mm of Hg; the mercury level on the suction side was 100 mm below the pipe centerline. The delivery pressure gauge, 200 mm above the pump inlet, recorded a pressure of 94.666 Kpa. The measured input power was 3.2 kW. Calculate the pressure at the suction.
- A centrifugal pump as shown in Figure below has a 100 mm diameter suction pipe and a 75 mm diameter delivery pipe. When discharging 15 L/s of water, the inlet water mercury manometer with one side exposed to the atmosphere recorded a vacuum deflection of 198 mm of Hg; the mercury level on the suction side was 100 mm below the pipe centerline. The delivery pressure gauge, 200 mm above the pump inlet, recorded a pressure of 94.666 Kpa. The measured input power was 3.2 kW. Calculate the head added by the pump in m.What is the unit of flow rate?Figure 8.18 shows a system used to spray polluted water into the air to increase the water's oxygen content and to cause volatile solvents in the water to vaporize. The pressure at point B just ahead of the nozzle must be 25.0 psig for proper nozzle performance. The pressure at point A (the pump inlet) is -3.50 psig. The volume flow rate is 0.50 ft/s. The dynamic viscosity of the fluid is 4.0 x 105 lbs/ft². The specific gravity of the fluid is 1.026. Compute the power delivered by the pump to the fluid, considering friction energy loss in the discharge line.
- Provide a complete given and computation. Include all the decimals. A two-stage, double-acting compressor is to deliver 90 lb/min of air from 14.3 psia and 90 ̊F to a final pressure of 185 psia. The normal barometer is 29.8 in. Hg and the temperature is 80 ̊F. The pressure drop in the intercooler is 3 psi and the temperature of the air at the exit of the intercooler is 90 ̊F, the speed is 210 rpmand pV1.34 =C during compression and expansion. The clearance is 5% for both cylinder. The temperature of the cooling water increase by 18 ̊F. Find: a) The volume of free air b) The discharge pressure of the low pressure cylinder for minimum work, c) The temperature at discharge from both low pressure and high pressure cylinders d) The mass of cooling water to be circulated about each cylinder and through the intercooler e) The work f) If, for the low pressure cylinder, L/D = 0.68 and if both cylinders have the same stroke, what should be the cylinder dimensions?Provide a complete given and computation. Include all the decimals. A two-stage, double-acting compressor is to deliver 90 lb/min of air from 14.3 psia and 90 ̊F to a final pressure of 185 psia. The normal barometer is 29.8 in. Hg and the temperature is 80 ̊F. The pressure drop in the intercooler is 3 psi and the temperature of the air at the exit of the intercooler is 90 ̊F, the speed is 210 rpmand pV1.34 =C during compression and expansion. The clearance is 5% for both cylinder. The temperature of the cooling water increase by 18 ̊F. Find: a) The mass of cooling water to be circulated about each cylinder and through the intercooler b) The work c) If, for the low pressure cylinder, L/D = 0.68 and if both cylinders have the same stroke, what should be the cylinder dimensions?A flexible tube peristaltic pump operates at 100 rpm, with a lobe volume of approximately 3 ml. What is the flow rate?