Which is not a characteristic of a common-base (CM) BJT amplifier?
A) high range voltage gain
B) low input impedance and high output impedance
C) extremely low current gain
D) midrange voltage gain
A
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Which of the following are requirements for design of kitchen exhaust ducts serving grease hoods? Select all that apply.
A) Must be enclosed in fire-rated construction with fire dampers at the duct entries. B) Should be routed as direct to outdoors as practical. C) Ductwork must be constructed of stainless steel. D) Access panels must be installed for cleaning.
At what point in the refrigeration cycle does the refrigerant absorb the most heat?
A) In the middle of the evaporator where the cold liquid turns to a cold gas B) At the end of the evaporator where the gas is superheated C) In the compressor where it changes from a low-temperature gas to a high-temperature gas D) In the condenser where it changes from a gas to a liquid
To determine if a product or substance being used is hazardous, consult ________
A) EPA guidelines B) SAE standards C) A dictionary D) An MSDS