Liquid ammonia at −20°c is flowing through a 18-m-long section of a 5-mm-diameter copper tube at a rate of 0.09 kg/s. determine the pressure drop, the head loss, and the pumping power required to overcome the frictional losses in the tube. the density and dynamic viscosity of liquid ammonia at –20°c are ρ = 665.1 kg/m3 and μ = 2.361 × 10-4 kg/m·s. the roughness of copper tubing is 1.5 × 10-6 m. the pressure drop is kpa. the head loss is m. the pumping power required to overcome the frictional losses is kw.
Answers: 3
Physics, 22.06.2019 06:30
Organelles are 1. responsible for producing power for the cell 2. tiny structures in the cell that carry out the cell's activities 3. responsible for digestion in the cell 4. found outside of the membrane
Answers: 1
Physics, 22.06.2019 07:00
World class speed skaters can skate a 3,000-m course in about 4 minutes.what is their average speed for this course? a. 12.5 m/sb. 1.33 m/sc. 1.25 m/sd. 13.3 m/s
Answers: 2
Physics, 22.06.2019 13:10
The bar of prob. 5/82 is repeated here. the ends of the 0.4-m bar remain in contact with their re- spective support surfaces. end b has a velocity of 0.5 m/s and an acceleration of 0.3 m/s2 in the di- rections shown. determine the angular accelera- tion of the bar and the acceleration of end a.
Answers: 3
Physics, 22.06.2019 15:00
When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
Answers: 1
Liquid ammonia at −20°c is flowing through a 18-m-long section of a 5-mm-diameter copper tube at a r...
Health, 05.10.2019 00:40
Mathematics, 05.10.2019 00:40
Mathematics, 05.10.2019 00:40
Mathematics, 05.10.2019 00:50
Biology, 05.10.2019 00:50
Biology, 05.10.2019 00:50
Computers and Technology, 05.10.2019 00:50