Requirements for recovery/recycling/recharging equipment for R-1234yf refrigerant are set by SAE standard:

A) J1990
B) J2788
C) J2843
D) J2209


Answer : C) J2843

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Horses hear ____________________ tones not perceptible to human ears.

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

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A continuous load is one that operates for ___________________ hours or more.

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

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Which of the following circuit parameters would be most likely to limit the maximum operating frequency of an IC flip-flop?

A) Set-up and hold time B) Clock pulse HIGH and LOW time C) Propagation delay time D) Clock transition time

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The proper angle for the edge of a cold chisel is _____

A) 90 degrees B) 60 degrees C) 45 degrees D) 30 degrees

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