Main bearings are required to support the crankshaft at each _____.

A:end B:web C:pin D:journal

The crankshaft deflection is at first to be _____ before and after repair.

A:disassembled B:renewed C:measured D:regulated

The crankshaft of diesel engine is supported by _____.

A:tension stretch B:tie rods C:through bolts D:main bearings

The piston moving up and down keeps the crankshaft _____.

A:to revolve B:revolved C:revolving D:to be revolved

The bearings used to support the crankshaft are generally called _____.

A:line shaft bearings B:connecting rod beatings C:main bearings D:support bearings

A crankshaft whose center of gravity coincides with its center line is said to be _____.

A:dynamically balanced B:statically balanced C:counter balanced D:resonantly balanced

Because the tie bolts are so close to the crankshaft, some engines employ ______ to hold the crankshaft main bearing cap in position instead of conventional studs and nuts.

A:through bolts B:jack bolts C:tap bolts D:fitted bolts

Diesel engine crankshaft deflection readings are generally taken at four crank positionsGood engineering practice requires the deflection gage or indicator to be________

A:placed as near the crankpin axis as possible B:removed each time the crankshaft is repositioned C:left in place for all four readings D:reset to zero for all four readings

One method of determining crankshaft misalignment is by________.

A:laying a straight edge across the crank webs at the crankpin and measuring the distanceto the crankpin in two places B:measuring the crank drop on either side of each crank throw while the crankshaft isslowly rotated through one revolution C:rotating the crankshaft through one revolution, pausing each 90oof rotation to measurebearing clearances, top and bottom D:taking micrometer reading between the crank cheeks opposite the crankpin every 90°of crank angle rotation

The camshaft drive is designed to maintain proper camshaft speed relative to crankshaft speedIn maintaining this relationship, the camshaft drive causes the camshaft to rotate at .

A:one half crankshaft speed in a two-stroke cycle diesel engine B:crankshaft speed in a two-stroke cycle diesel engine C:two times crankshaft speed in a two-stroke cycle diesel engine D:one-fourth times crankshaft speed in a four-stroke cycle diesel engine