According to the textbook, how often should the oil be replaced in a vacuum pump?

a. After every 5 evacuations or after each evacuation of highly contaminated systems.
b. When the oil turns white from moisture or dark amber from removing acid.
c. Before each evacuation to make sure the pump is operating efficiently.


a. After every 5 evacuations or after each evacuation of highly contaminated systems.

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Opening the secondary of a CT under load will cause a dangerous level of _____.

a. induced high voltage b. induced high current c. high impedance d. low impedance

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Technician A says a VSS is a sensor that transmits high voltage pulses. Technician B says a VSS measures electronic wear in the TCM. Who is correct?

A. A only B. B only C. Both A and B D. Neither A nor B

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If a chemical agent gets on your clothing, immediately:

What will be an ideal response?

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Pollution control equipment for a pulverized coal cyclone furnace is estimated to cost $190,000 two years from now and an additional $120,000 four years from now. If Monongahela Power wants to set aside enough money now to cover these future costs, how much must be invested at an interest rate of 8% per year, compounded semiannually?

What will be an ideal response?

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