How is the minimum circuit ampacity (MCA) calculated for an air conditioning unit with more than one motor?
A) The amp draw of all the motors is added up.
B) The largest motor amp draw is multiplied by 1.25 and the other motor amp draws are added to it.
C) The amp draw of each motor is multiplied by 1.25 and then summed.
D) The amp draw of all the motors is added and multiplied by 1.25.
B
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How much would your parents have to deposit each month into an account that grows at a rate of 12% per year, compounded semiannually, if they want to have $80,000 at the end of year 3 to cover part of your college expenses? Assume no interperiod compounding. Also, write the spreadsheet function to display the monthly amount.
What will be an ideal response?
The subsequent problems deal with the circuit below containing complex impedances.
If Z1=0?, Z2=??, and Z3=10?, what is the equivalent impedance of the circuit?
A. ? ? B. 1/10 ? C. 0 ? D. 10 ? E. (? + 10) ?
The EPS control unit will vary the ________ to the EPS motor, depending on sensor inputs
A) RPM B) Amperage C) Voltage D) Pressure
Why should only oil designed for vacuum pump operation be used in vacuum pumps?
What will be an ideal response?