Q4/ In a detergent making process, 5.3 m³/h of water flows through a 50 mm pipe system as follows: Exit from pump, 2 ft vertical, open gate valve, 14 ft vertical, 90° bend, 12 ft horizontal, 4 open globe valve, 20 ft horizontal, 90° bend, 6 ft horizontal, 90° bend, 12 ft vertical, 90° bend, 14 ft horizontal, 90° bend, 4 ft vertical, 90° bend, 28 ft horizontal, open gate valve, 3 ft horizontal, entry to tank containing 30 ft of liquid. a) If the pump and tank are both at grade level, estimate the head that the pump must deliver. b) If the pump inlet pressure is 25 psig, what is the outlet pressure? c) Estimate the pump shaft work. (H.W) d) If the pump is powered by an electric motor with 85% efficiency, what is the annual electricity consumption? (H.W)

Q4/ In a detergent making process, 5.3 m³/h of water flows through a 50 mm pipe system as follows: Exit from pump, 2 ft vertical, open gate valve, 14 ft vertical, 90° bend, 12 ft horizontal, 4 open globe valve, 20 ft horizontal, 90° bend, 6 ft horizontal, 90° bend, 12 ft vertical, 90° bend, 14 ft horizontal, 90° bend, 4 ft vertical, 90° bend, 28 ft horizontal, open gate valve, 3 ft horizontal, entry to tank containing 30 ft of liquid. a) If the pump and tank are both at grade level, estimate the head that the pump must deliver. b) If the pump inlet pressure is 25 psig, what is the outlet pressure? c) Estimate the pump shaft work. (H.W) d) If the pump is powered by an electric motor with 85% efficiency, what is the annual electricity consumption? (H.W)

Engineering Fundamentals: An Introduction to Engineering (MindTap Course List)

5th Edition

ISBN:9781305084766

Author:Saeed Moaveni

Publisher:Saeed Moaveni

Chapter18: Mathematics In Engineering

Section: Chapter Questions

Problem 6P

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