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- Clear my choice In the Boyle's Law Demonstration experiment, the total volume of the measuring chamber is 1 liter and the total height is 200 mm. If the oil height in the measuring chamber is 50 mm then the corresponding air volume is equal to: Select one: a. 0.75 milliliter. b. 0.25 milliliter. C. 0.25 liter. O d. 0.75 liter. Finish attempt . AR 2 10:09 P 4/16/20 allWater enters through a 500 mm diameter inlet pipe under a pressure of 15 kPa. It leaves through a 1000 mm diameter exhaust pipe with a pressure of 5 kPa. If the center of the outlet pipe is 3 m above the center of the inlet pipe and 500 L/sec of water passes a motor or pump. Which of the following most nearly gives the specific gravity of the block? a. 1.6320 b. 0.6814c. 0.3196 d. 1.3186An open horizontal tank 3 m high, 3.5 m wide and 5.5 m long is initially filled at 2 m of water. a. Determine the required acceleration in m/s? so that no water will be spilled? ( Select ) b. Determine the required acceleration m/s² so that 1/3 of the initial volume of water will be spilled. (Select) c. Determine the remaining volume in cu.m. if it accelerated at 7 m/s^2. ( Select ] Determine the minimum hydrosatic force in kN at the side of the tank if 2/3 of the initial volume will be spilled. d. ( Select ) e. Determine the maximum hydrosatic force in kN at the side of the tank if it accelerates at 3 m/s^2. [ Select ) > >
- 6) Determine the internal energy of water at 20 psi and 400 FThe pump takes water from an open tank below the pump centerline. Determine the maximum static elevation at suction if the pump is located at 1500ft above sea level. Note: @90 degree F: Saturation pressure = 0.69 psia and specific volume = 0.01608 cubic ft/lb. Determine the maximum suction elevation in feet below pump centerline. a. 10.248 b. 8.941 c. 6.141An orifice of diameter 150 mm is fitted at the bottom of a boiler drum lenth 6 m and of diameter 2 m. The drum is horizontal and contains water up to height of 1.8 m. Find the time required to empty the boiler. Take Cd=o 0.60CHOICES a.127 seconds b.175 seconds c.217 seconds d.467 seconds
- PROBLEM 4 An open cylindrical tank 4 ft In diameter and 6 ft deep is filled with water up to its rim and rotated about its axis at 60 rpm. (a) What is the height, h, of the parabolold formed? Express the answer In ft. (b) How much water remained in the tank? Express the answer In ft². (c) How much water is spilled? Express the answer in ft². (d) What is the maximum pressure (psf) at the bottom of the tank? (e) What is the minimum pressure (psf) at the bottom of the tank?The rectangular tank shown here, with its top at ground level, is used to catch runoff water. Assume that the water weighs 62.5 lb/ft³. a. How much work does it take to empty the tank by pumping the water back to ground level once the tank is full? b. If the water is pumped to ground level with a (5/11)-horsepower (hp) motor (work output 250 ft-lb/sec), how long will it take to empty the tank (to the nearest minute)? a. How much work does it take to empty the tank? ft-lb b. How long will it take to empty the tank (to the nearest minute)? minutes (Round to the nearest minute as needed.) Ground 7 ft level o 14 fta) A 1.4 mm diameter tubing is inserted into an unknown liquid with a density of 960 kg/m3. The liquid rises by 3 mm in the tube, giving a contact angle of 15° with the tube surface. Determine the fluid's surface tension.
- vessel cylindrical in shape and closed at the top and bottom is 300 mm in diameter, 1 m long and contains water up to a depth of 0.8 m. The air above the water surface is at a pressure of 60 kN/m2 . If the vessel is rotated at a speed of 250 r.p.m. about its vertical axis find the pressure head (in cm of water) at the center bottom of the vessel a.567.2 b.845 c.643.9 d.722.5Intravenous infusions usually are driven by gravity by hanging the fluid bottle at sufficient height to counteract the blood pressure in the vein and to force the fluid into the body. See the schematic bellow. The higher the bottle is raised, the higher the flow rate of the fluid will be. a) If it is observed that the fluid and the blood pressures balance each other when the bottle is 1.2 meters above the arm level, the gage pressure of the blood will be.. .kPag. b) If the gage pressure of the fluid at the arm level needs to be 20 kPag for sufficient flow rate, the bottle must be placed at the height of..... .meters. Please note: The density of the fluid is 1020 kg/cubic meters. Acceleration of gravity is 9.81 meters/squared second. -IV bottle 1.2mThe plunger diameter of a single-acting reciprocating pump is 115 mm and the stroke is 230 mm. The suction pipe is 90 mm in diameter and 4.2 m long. If cavitation takes place at the suction head of 4 m, the barometer stands at 10.3 m of water, and the water level in the sump is 3 m below the pump cylinder axis.1. Find the maximum allowable speed to operate the pump