Engineering, 02.11.2019 04:31 strikeboystorm
Crude oil (mu = 40cp, sg = 0.87) is to be pumped from a storage tank to a refinery through a 10in. sch 20 commercial steel pipeline at a flow rate of 2000 gpm. the pipeline is 50mi long and contains 35 90degrees elbows and 10 open gate valves. the pipeline exit is 150 ft higher than the entrance, and the exit pressure is 25 psig. what horsepower is required to drive the pumps in the system if they are 70% efficient?
Answers: 3
Engineering, 04.07.2019 18:10
If a particle moves along a path such that r : (3 sin t) m and ? : 2t rad, where t is in seconds. what is the particle's acceleration in m/s in 4 seconds? a)- 16.43 b)- 16.29 c)- 15.21 d)- 13.79
Answers: 1
Engineering, 04.07.2019 18:10
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
Answers: 1
Engineering, 04.07.2019 18:20
Most leaks in reciprocating air compressors can be detected and minimized by: (clo4) a)-detecting leakage areas using ultrasonic acoustic detector. b)-tightening joints and connections c)-replacing faulty equipment d)-all of the given options
Answers: 2
Engineering, 04.07.2019 18:20
Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
Crude oil (mu = 40cp, sg = 0.87) is to be pumped from a storage tank to a refinery through a 10in. s...
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