Engines with VTEC (variable timing electronic control) vary the valve duration to increase engine performance.
Answer the following statement true (T) or false (F)
True
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?In SAW, the molten weld pool is protected from the surrounding atmosphere by ____.
A. ?shielding gas B. ?self-shielding electrodes C. ?oxygen in the air D. ?molten flux and slag
How much pressure is created in a braking system if 120 pounds of force are applied to a master cylinder having a 0.750 inch piston?
What will be an ideal response?
Assuming that the load impedance is to be purely resistive, what load should be connected to terminals a-b of the circuits in Fig. 11.52 so that the maximum power is transferred to the load?
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What will happen if the operator grinds a tungsten electrode so the grind marks run around the diameter of the tungsten?
A) The TIG operator could lose control and break the tungsten. B) The grinding marks will cause the arc to make even ripples in the weld. C) An unstable arc may result. D) The grinding marks will cause the arc to make deeper weld penetrations.