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单选题
The connecting rod large end bearing shell generally has tags for location and oil grooves round the center of its axial length which correspond with grooves in the （） through which oil is transmitted up the rod to lubricate the small end.
A
connecting rod
B
piston rod
C
bearing housing
D
none of the above
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更多 “单选题The connecting rod large end bearing shell generally has tags for location and oil grooves round the center of its axial length which correspond with grooves in the （） through which oil is transmitted up the rod to lubricate the small end.A connecting rodB piston rodC bearing housingD none of the above” 相关考题
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outside caliperC
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tram rod
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a restricted air intakeB
a clogged connecting rod oil passageC
incorrect connecting rod alignmentD
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the connecting rodB
large end bearingC
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the design
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单选题（） is fully floating in both connecting rod small end and the piston skirt.A
The piston rodB
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crushC
pitchD
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crankpinB
sliding wedgeC
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单选题The crankshaft is of the semi-built type, with the （） being shrunk into the forged or cast steel crank throws.A
journalB
crank-pinC
main bearingD
large end of connecting rod
考题
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单选题In an engine with a pot-shaped piston, some lubricating oil from the main bearing will pass along a （） in the crankshaft to the bottom end bearing andthen up a connection rod to the gudgeon pin.A
telescopic pipesB
large boreC
drilled passageD
tied rod
考题
单选题Which of the following operating conditions can occur when shims are removed from the joint between the foot of a marine type diesel engine connecting rod and the bearing box?（）A
Decreased connecting rod bearing clearanceB
Increased connecting rod bearing clearanceC
Decreased compression ratioD
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考题
单选题Because the top of the connecting rod swings about the pin and changes direction each time the piston reaches mid-stroke, the relative speed between bearing and pin at mid-stroke is zero, （）to a maximum as the piston approaches top or bottom dead center and then （） back to zero again as the piston approaches mid-stroke and the connecting rod changes direction.A
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decelerates；deceleratesD
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考题
单选题An acceptable means of tightening connecting rod and main bearing cap bolts is to measure the （） Ⅰ.torque applied to each nut and bolt assembly Ⅱstretch of each nut before and after tighteningA
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Ⅱ onlyC
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neither Ⅰ nor Ⅱ
考题
单选题Signs of racking stresses generally appear at the（）.A
bow and stern shell frames and platingB
junction of the frames with the beams and floorsC
garboard strake，at each side of the keelD
thrust bearing of the main shaft
考题
单选题（） are generally formed in the frame of the both in-line and Vee engines to give maintenance access to the crankshaft main and connecting rod large end bearing.A
DoorsB
Aspirate gauzerC
CouplingD
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考题
单选题Doors are generally formed in the （） of the both in-line and Vee engines to give maintenance access to the crankshaft main and connecting rod large end bearing.A
bedplatesB
columnsC
cylinder blocksD
safety caps
考题
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worn engine cylinder linersC
high cylinder firing pressureD
stuck spring-loaded manhole covers
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the connecting rodC
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monkey wrenchC
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考题
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the crossheadB
the crankshaftC
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考题
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build up the piston crown by metal sprayingB
build up the cylinder head by metal sprayingC
insert shims between the crankpin bearing box and the connecting rod footD
install a thinner head gasket
考题
单选题The bearing shell generally has （） for location and oil grooves round the center of its axial length.A
tipsB
tagsC
lipsD
keys
考题
单选题Which term describes piston pins having bearing surfaces in both the piston bosses and connecting rod eye?（）A
StationaryB
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考题
单选题The insertion of shims between the foot of a marine type connecting rod and a bearing box would result in （）A
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考题
单选题The design of （） is similar to that of the main bearing.A
the block bearingB
the camshaft bearingC
the connecting rod small end bearingD
the connecting rod large end bearing
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