What is the purpose of a compressor speed sensor?

A) To allow the ECM to control compressor speed
B) So the ECM can control high-side pressure
C) So the ECM can control low-side pressure
D) To let the ECM know if the compressor is turning


D) To let the ECM know if the compressor is turning

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An engine idles OK but misfires during acceleration. This can be caused by ________

A) Worn spark plugs B) Leaking spark plug wires C) Either A or B D) Neither A nor B

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All of these can happen when engine compression is lower than normal, EXCEPT ________

A) Poor fuel economy B) Low power C) Harder to crank engine D) Easier engine cranking

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A low-pass version of this filter uses two capacitors and two resistors

A) Sallen-Key low-pass filter B) second order cascaded filter C) fourth order cascaded filter D) single-pole filter

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Emissions that escape during refueling are being discussed. Technician A says an on-board refueling vapor recovery system may be used. Technician B says a fuel tank bladder may be used. Who is correct?

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

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