Engineering, 05.10.2019 10:00 lesliealaves16
The price of the equipment with installation is $12,000 for producing fresh water of 8,000 gal per day and that of electricity is $80/mwh. what is the cost of 1000 gal of fresh water production if (i) the annual fixed charge rate (fcr) together with the maintenance cost is 20% of the capital equipment price and (ii) the system efficiency (electrical energy to mechanical energy conversion) is 80%?
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 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
Engineering, 04.07.2019 19:10
For a process taking place in a closed system containing gas, the volume and pressure relationship is pvi-constant. -1.5 bar, the process starts with initial conditions, pi = =0.03 m3 and ends with final volume, v2-0.05 m3 determine the work done by the gas.
Answers: 2
Engineering, 04.07.2019 19:20
The quality is zero at a)-the saturated vapour state b)-the saturated liquid state c)-the saturated liquid-vapour mixture state d)-none of the states in the other answers
Answers: 3
The price of the equipment with installation is $12,000 for producing fresh water of 8,000 gal per d...
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