An amplifier has a lower cutoff frequency (fC1 ) of 820 kHz and an upper cutoff frequency of 880 kHz. The center frequency (f0 ) of the amplifier is

A) 850 kHz B) 60 kHz C) 120 kHz D) 849 kHz


D

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Multistage air bags are hybrid air bags that use ____ to control the rate of inflation.

A. heated gas inflators B. two squibs C. valves D. limit switches

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How can you condition or acclimate a greenhouse-grown plant to growing indoors?

What will be an ideal response?

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In the hierarchy of machine protection, which of the following is top?

A) Protection devices B) Movable interlock guards C) Easy access to safety information D) Fixed enclosing guards

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Technician A says a power booster is used to force the air into the engine. Technician B says a power booster commonly uses engine vacuum to assist in increased braking pressure for power brakes. Who is correct?

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

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