Cylinder Bore Inspection Quiz

What tool is used for reboring a cylinder wall?

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What tool is this?

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What are the two measuring devices needed to inspect and measure cylinder bores?

• Caliper and Ruler

• Thermometer and Stopwatch

• Dial Bore Gauge and Outside Micrometer

• Protractor and Compass

Why does the author suggest DIY car enthusiasts should own dial bore gauges and micrometers?

• To impress professional mechanics

• To have actual insight into the engine condition

• To save money on engine rebuilds

• To start a machine shop business

What indicates that an engine has passed visual inspection during bore examination?

• Oil leaks in the bore

• Rust in the cylinder

• Absence of damage and presence of honing marks

• Deep scratches and scoring

What is the purpose of zeroing the micrometer before measuring bore dimensions?

• To distort its shape

• To prevent accurate measurements

• To align the zero mark with the correct measurement

• To increase the bore size

What does an out of round condition in cylinder bores indicate?

• Presence of honing marks

• Difference between trust and non-trust axis dimensions

• Even wear across the bore

• No need for reboring

What is the maximum allowable bore diameter according to the factory service manual?

• 81.00 millimeters

• 81.23 millimeters

• 82.00 millimeters

• 80.50 millimeters

Where is the piston measured to determine the piston-to-wall clearance?

• At the top of the piston

• 42 millimeters from the skirt bottom

• Close to the piston head

• At the bottom of the skirt

What is the formula for determining the new bore size when using oversized pistons?

• Piston diameter minus piston clearance

• Piston diameter plus piston clearance

• Piston diameter multiplied by piston clearance

• Piston diameter plus piston clearance minus honing allowance