Exam 11: Lower End Theory and Service

The oil hole drilled in the big end of a connecting rod serves to lubricate the piston skirt and ____________________.

What part of the block is the deck?

Technician A checks crankshaft endplay or end clearance with a feeler gauge. Technician B uses a dial indicator. Who is correct?

Where does maximum cylinder bore wear occur?

The maximum amount of cylinder taper normally allowed is:

____________________ is the difference in diameter between the bottom of the cylinder bore and the top of the bore just below the ridge.

Which of the following is NOT a core plug design?

A vibration damper is often called a(n) ____________________ balancer.

When are undersized bearings used?

A used roller lifter can be installed on a new camshaft.

Pistons for modern engines are made of _____.

____________________ shafts are driven by a belt or chain at twice crankshaft speed to reduce engine vibration.

A lifter that has a concave contact face must be ____________________.

All of the following are correct statements about lifters EXCEPT:

The bottom ring on a piston is a compression ring.

All the examples listed below are core plug types EXCEPT:

Nearly all OHV engines use a timing chain to drive the camshaft.

A damaged threaded hole in an aluminum block should be repaired by using a bottoming tap of the correct size.

Most pistons used today are made from _____.

Technician A installs a cup-type core plug with its flanged edge inward. Technician B hits the center [crown] of a dished-type core plug with a hammer to flatten and expand the plug for a tight fit. Who is correct?