Calculate the cutoff frequency for a signal through a resistance of 10K? and a capacitance of 500pF.
Fill in the blank(s) with the appropriate word(s).
31.8KHz
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A customer in the estimate stage refuses the automotive maintenance suggestions. The service consultant should which of the following?
A. Give up and never try to ask again B. Call the customer’s spouse and ask the spouse C. Ask again when there is another opportunity at a future customer service system stage D. Tell the service manager to ask the customer
The circuit conductors between the service equipment and the final branch circuit overcurrent protection device is a(n) __________.
a. open circuit b. branch circuit c. feeder circuit d. service conductor
Which number is the smallest?
A) .25 B) 3/8 C) 1/16 D) .33
Why do closed hydronic systems include pressure-relief valves, expansion tanks, and temperature and pressure limiting devices?
A) because water expands and contracts as its temperature changes B) because the copper piping used in the system requires these measures C) because freezing must be prevented and antifreeze may not be added D) because building codes require certain controls on every system