Engineering, 19.06.2021 02:30 hit89
A water district wishes to compare alternative plans for additional water supplies,
using a forty-year period of analysis and an interest rate of 6%.
A gravity plan would require an investment of $5,000,000 for construction and
$20,000 per year for operation and maintenance.
A pumping plan would require $3,000,000 for initial construction, an additional
investment of $500,000 in the tenth year, and $50,000 per year for operation
and maintenance. The pumping plan would also incur power costs of $100,000
per year for the first ten years and after connection to another source of demand
additional power costs of $100,000 per year.
Answers: 3
Engineering, 03.07.2019 15:10
Heat is added to a piston-cylinder device filled with 2 kg of air to raise its temperature 400 c from an initial temperature of t1 27 cand pressure of pi 1 mpa. the process is isobaric process. find a)-the final pressure p2 b)-the heat transfer to the air.
Answers: 1
Engineering, 04.07.2019 18:10
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
Answers: 1
Engineering, 04.07.2019 19:10
With increases in magnification, which of the following occur? a. the field of view decreases. b. the ambient illumination decreases. c. the larger parts can be measured. d. the eyepiece must be raised.
Answers: 1
A water district wishes to compare alternative plans for additional water supplies,
using a forty-y...
Physics, 04.10.2020 23:01
Social Studies, 04.10.2020 23:01
History, 04.10.2020 23:01
Biology, 04.10.2020 23:01
Mathematics, 04.10.2020 23:01
Physics, 04.10.2020 23:01
Social Studies, 04.10.2020 23:01
History, 04.10.2020 23:01