All of the following are crankshaft repairs EXCEPT ____.

A. crack welding
B. grinding
C. polishing
D. straightening


Answer: A

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A Cummins ISX has a total engine displacement of 15 liters. Convert this into cubic inches:

A. 893 cubic inches B. 915 cubic inches C. 943 cubic inches D. 997 cubic inches

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Air filters should be placed in the __________ of the forced air system.

A. return B. supply C. either a or b D. neither a nor b

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When the DC excitation increases to cause an over-excited synchronous motor, a __________ is developed.

A. lagging power factor B. leading power factor C. unity power factor D. none of the above

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Calculate the cumulative frequency and plot a cumulative frequency polygon.

What will be an ideal response?

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