A . lubrication
B . cooling
C . balancing purpose
D . ventilatio
[单选题]Each journal and pin should be examined for () and grooving.A . bridgesB . recessesC . rearsD . ridging
[单选题]() clearances in the main or crank pin bearings will sometimes be indicated by loss of pressure in the lubricating system before any bearing knock is heard.A . Too largerB . Too smallerC . ExcessD . Excessive
[单选题]Each crank is made up of two crank webs joined by a common() to which the bottom endbearing is fitted.A . throwB . crankshaftC . crankpinD . crosshead
[单选题]With the crank in position in the engine, some measurements can be taken by a special bridge gauge and ().A . a micrometerB . a bowlC . a feeler gaugeD . a wrench
[单选题]The crank chamber oil ().A . can be recoveredB . is only supplied to cylindersC . only feeds the main bearingD . is a kind of detergent
[单选题]Lubricating oil is supplied to the crank-pin bearings in a marine diesel engine by ().A . internal crankshaft passagesB . immersion in oilC . splash lubricationD . injection lubricatio
[单选题]Operating conditions in the crank chamber are very () those in the cylinder.A . the same asB . similar toC . separated fromD . different from
[单选题]Crank web deflection readings will give a positive indication of ().A . worn main bearing journalsB . torsional stress deformationC . slack thrust bearingsD . bearing shells shim dimensio
[单选题]The diameter of the crank-pins should be measured with a ().A . salinometerB . thermometerC . tachometerD . micrometer
[单选题]15 What journal entry is required to record goods taken from inventory by the owner of a business?A. Debit DrawingsC.redit PurchasesB. Debit SalesC.redit DrawingsC. Debit DrawingsC.redit InventoryD. Debit PurchasesC.redit Drawings