The final control element in an on/off system is ____.
A. proportional to the error signal
B. is either fully on or fully off
C. both a and b
Answer: B
You might also like to view...
An electric switch manufacturing company is trying to decide between three different assembly methods. Method A has an estimated first cost of $40,000, an annual operating cost (AOC) of $9000, and a service life of 2 years. Method B will cost $80,000 to buy and will have an AOC of $6000 over its 4-year service life. Method C costs $130,000 initially with an AOC of $4000 over its 8-year life. Methods A and B will have no salvage value, but Method C will have equipment worth 10% of its first cost. Perform both (a) future worth, and (b) present worth analyses to select the method at i = 10% per year.
What will be an ideal response?
What component is used to compensate for different pressure drops and load requirements?
A) Return pump B) Venturi units C) Check valve D) Balancing valves
CAD processes that involve mate, mate offset, align, insert, and orient are part of a group of _______________ used in CAD models
Fill in the blank(s) with correct word
The lintel is a steel angle above the fireplace opening that supports the fireplace face.
Answer the following statement true (T) or false (F)