Engineering, 24.06.2020 05:01, lovelyb32p1waxd
A contractor has been awarded a project to construct a 3 miles long tunnel in a mountainous area. During the five-year construction period, the contractor will need water from a stream near the construction site. A pipeline system is required to convey the water to the construction site and you are asked to choose the best alternative from the following pipe sizes. The pump will operate 2000 hours per year. The pump and pipe's salvage values will cover only the cost of removal at the end of the five years. The lowest interest rate at which the contractor is willing to invest is 8%. Use the present worth method.. 2" 3" 4" 5" Installed cost of pipeline and pump $22,000 $23,000 $25,000 $30,000 Cost per hour for pumping $1.2 $0.65 $0.50 $0.40
Answers: 1
Engineering, 03.07.2019 14:10, kayabwaller4589
When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point
Answers: 3
Engineering, 04.07.2019 18:10, hadellolo8839
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
Answers: 3
A contractor has been awarded a project to construct a 3 miles long tunnel in a mountainous area. Du...
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