What is the minimum ECT temperature value required for the catalyst efficiency monitor to run under OBD-II?

A) 180 degrees F B) 165 degrees F C) 195 degrees F D) None of these


B

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Electrical noise is such a problem in some installations that several manufacturers are using ____ instead of wires for connection to the I/O rack.

A. transistors B. coaxial cables C. optical cables D. radio signals

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The diameter (D) of a circle equals the circle circumference (C) divided by 3.1416, D = C/3.1416.  Determine C when D = 48.12 millimeters.  Round the answer to 1 decimal place.  

Fill in the blank(s) with the appropriate word(s).

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Estimates are made to determine the probable costs of a proposed construction project and to _____.

a. schedule equipment maintenance b. determine a budget for the owner c. predict the accuracy of a target deadline d. finalize system requirements

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All of these are OBD-II requirements EXCEPT ________

A) Alert the driver of necessary emission-related repairs or service B) Use standardized DTCs and accept a generic scan tool C) Detect component degradation or faulty emission control operation D) Tell the technician what is wrong with the engine

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