Technician A says that most engine OEMs recommend priming full flow oil filters following an oil change. Technician B says that failure to prime a full flow oil filter following engine lube service may damage the turbocharger when the engine is started. Who is correct?

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


Answer: C

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Electronics as a discipline within the field of physical science emerged from the discovery of __________

A. microwaves B. gamma rays C. cosmic rays D. radio waves

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The circuit of Figure P2.72 is used to measure the internal impedance of a battery. The battery being tested is a NiMH battery cell.

a. A fresh battery is being tested, and it is found that the voltage vout is 2.28 V with the switch open and 2.27 V with the switch closed. Find the internal resistance of the battery.
b. The same battery is tested one year later. vout is found to be 2.2 V with the switch open but 0.31 V with the switch closed. Find the internal resistance of the battery.

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To avoid clogging when using a concrete pump, it is recommended that the diameter of the pipeline used be at least _____ size as the largest diameter aggregate contained in the concrete mix being pumped.