Technician A says overtorqued valve body fasteners may cause erratic shifting. Technician B says debris in the valve body can cause erratic shifting. Who is correct?

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


C. Both A and B

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An excessive amount of preheat flame results in ____.

A. gouges in the side of the cut B. the top edge of the plate being melted or rounded off C. an incomplete cut D. the sides of the kerf being slightly dished

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____________________ is the attraction that exists between water molecules

Fill in the blank(s) with correct word

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When freezing semen, a(n) ____________________such as glycerine is added

Fill in the blank(s) with correct word

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The main difference between feedback control and feedforward control is ____.

A. one affects the manipulated variable, while the other affects the measured disturbance B. one occurs after the controlled variable changes while the other tries to prevent the controlled variable from changing C. the speed at which corrections to a disturbance is made D. one is controlled by an inner loop and the other is controlled by an outer loop E. both b and c

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