In a transistor amplifier the input ac signal and the output of the amplifier must be connected in a way that not does affect the dc bias voltage. This is accomplished by using a(n) ________ capacitor
A) coupling B) small value C) isolation D) large value
A
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Two technicians are discussing synchronizer rings. Technician A says that they equalize the speeds of the synchronizer assembly and the speed gear being engaged. Technician B says they block the synchronizer sleeve briefly during a shift. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Which of the following statements best describes the future of line and staff managers?
a. Staff managers will become better educated. b. Line positions will lose some of their glamour. c. Staff positions will become more attractive. d. The distinction between line and staff will become less clear. e. Line positions will have decreased responsibility.
What does it mean for a condenser and evaporator coil to be an "AHRI Match"?
A) AHRI was paid to advertize those particular components. B) AHRI manufactured the components. C) AHRI has tested the components and certified that they work correctly together. D) Both components were made by the same manufacturer.
What is the first step in selecting commercial refrigeration equipment for new installations?
What will be an ideal response?