Tamara has received multiple bids from general contractors to install a new pool in her backyard. How should she go about selecting which contractor to use? 1.She should ignore the bids and rely on online reviews from past clients.
2.She should sign with whoever bid the least amount of money.
3. She should weigh the cost of the bid with the services offered.
4. She should sign with whoever can handle the project independently without her input.

For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater

The higher the astm grain-size number, the coarser the grain is. a)-true b)-false

Which of the following refers to refers to how well the control system responds to sudden changes in the system. a)-transient regulation b)- distributed regulation c)-constant regulation d)-steady-state regulation