Which Drilling Operation Is Shown Below

question 19

Multiple Choice

Which drilling operation is shown below?   

• A) spotfacing
• B) counterboring
• C) countersinking
• D) reaming

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Definitions:

Roadranger CD-50

A type of heavy-duty transmission lubricant designed for use in Roadranger transmissions, offering protection under high-stress conditions.

API GL-5

A classification of lubricants set by the American Petroleum Institute (API) for gear oils with high-performance properties, used in axles and transmissions.

Synthetic Gear Lube

A lubricant made from chemically engineered materials designed to provide superior protection and performance in vehicle gearboxes.

Spinout Failures

A tandem drive axle failure in which one of the four drive wheels loses traction and receives all driveline torque. Spinout conditions may produce wheel speeds four times greater than specified. Spinout failures result from shock loading when a spinning wheel’s motion is suddenly arrested or by lubricant throw-off from rotating components.