Draw a flowchart to arrange a list of 20 numbers in descending order.
What will be an ideal response?
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If more than three tons of sand are needed, _____ should be allowed for waste.
A. none B. 1 ton C. ½ the estimated sand D. ½ ton
What type of check valve has a disc-shaped flow control element that lifts up off the seat as fluid flows through it and drops back onto the valve seat if the fluid flow stops or attempts to flow in a reverse direction?
A. Lift check valves B. Ball check valves C. Swing check valves D. Plug check valves
What is a radio chock?
What will be an ideal response?
Dickinson, a large oil and gas drilling and operating corporation, has invested over the past 6 years in the installation and operation of a FOUNDATION Fieldbus H1 (FF H1) system developed by Pepperl+Fuchs of Germany. A project engineer has collected information on annual net cash flow increases (?NCF) generated by the FF H1 system and the annual investments made by Dickinson in the system. At an interest rate of 10% per year, determine the PI of this endeavor. Has it proven to be economically worthwhile?