Which of the following devices are not used as the operator control source for the DC drive?
A. switches and pushbuttons
B. keypads
C. programmable controllers
D. computers
E. none of the above
Answer: E
You might also like to view...
____________________ is a systematic investigation of possible causes for a system problem resulting in a determination of how best to fix the problem.
Fill in the blank(s) with the appropriate word(s).
What must each speaker do at an FFA Creed Speaking event?
What will be an ideal response?A consulting engineering firm is preparing a preliminary cost estimate for a 40-MW advanced combined cycle natural gas-fired power plant. The firm, which completed a similar project in 2012 with a total cost (construction and equipment) of $809.2 million, wants to use a construction cost index to update the construction cost. If the construction cost was assumed to be 25% of the total cost and the index value in 2012 was 8570, estimate the cost of construction for a similar-size plant in 2017 when the index is 9324.
What will be an ideal response?What will be an ideal response?
How is the tubing used in ground-source systems joined?
A) Flare fittings B) CPVC cement C) Threaded fittings D) Thermal fusion