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Worn main bearing will cause the compression ratio of an auxiliary diesel engine to______.

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condensate pump ball bearing  main shaft bearing  main turbine bearing  diesel engine wrist pin bearing  
the block bearing  the camshaft bearing  the connecting rod small end bearing  the connecting rod large end bearing  
piston rod guides  engine thrust bearing  crosshead bearing  main shaft flexible coupling  
the bearing had been overheated  water was present in the oil  the lube oil was not being properly filtered  the maximum allowable bearing pressure had been exceeded  
Their bearing is almost constant, even when the true bearing of the contact changesappreciably.  They always appear on a bearing of 90 °from the true bearing of the contact.  The indirect echoes usually appear in shadow sectors.  When plotted, their movements are usually abnormal."  
telescoping  ring ‘snap’ gauge  inside vernier caliper  outside micrometer  
the clearance of the main bearing  the diameter of main bearing  the gap of main beating  the tolerance of main bearing  
Piston wrist pin bushing  turbine bearing  Spring bearing  Diesel engine main bearing  
crosshead  crankpin  crank journal  gudgeon pin  
worn valve seats  worn main bearing  excessive valve clearance  weak rocker arm springs  
inside the bearing  outside the bearing  covering the crankshaft  none of the above  
the clearance of the main bearing  the diameter of main bearing  the hardness of main bearing  the tolerance of main bearing  
the connecting rod  large end bearing  the main bearing  the design  
worn gland sealing shaft  worn wearing rings  a bent shaft  reversed pump coupling  
the clearance of the main bearing  the play of the miler bearing  the gap of the main bearing  the tolerance of the main bearing  
main bearing shells  main bearing  steel  bearing metal  
misalignment or worn main bearings  insufficient cylinder lubrication  defective or poorly fitted valves  All of the above  
early fuel injection  excessive bearing play within the running gear  overloading of the cylinder  all of the above  
tie rods  through bolts  lead wires  bearing caps  
worn main bearing journals  torsional stress deformation  slack thrust bearings  bearing shells shim dimensions  

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