Technician A says that the position a sliding 5th wheel is located on a tractor affects the tractor bridge formula. Technician B says that the position a sliding 5th wheel is located on a tractor affects the trailer bridge formula. Who is correct?

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


Answer: A

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The purpose behind the spoils system was

A. to press those with experience into governmental service. B. to make politics a sideline and not a full-time business. C. to reward political supporters with public office. D. to reverse the trend of rotation in office. E. the widespread encouragement of a bureaucratic office-holding class.

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Troubleshooting the electrical control circuits in a cooling, heating, or refrigeration system is basically common sense.

Answer the following statement true (T) or false (F)

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Two 7492 MOD-12 ripple counters, configured to count 0 to 11, are connected so that the Q3 output of one IC is wired to the clock input of the other IC. What is the modulus of the total circuit?

A) MOD-120 B) MOD-24 C) MOD-66 D) MOD-144

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The time required by a 10 V square wave to change from 1 V to 9 V is known as the ________

A) rise time B) fall time C) period D) pulse width

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