Cylinder Block Specialist No. of Questions= 10 1. The recommended microinch surface finish for the connecting rod big end is ________. a) 10 to 14 Ra b) 18 to 32 Ra c) 45 to 72 Ra d) 60 to 100 Ra 2. The recommended microinch surface finish for a honed cylinder is _________. a) 10 to 14 Ra b) 18 to 32 Ra c) 45 to 72 Ra d) 60 to 100 Ra 3. Machinist A says that the top of the cylinder bore should be chamfered after the cylinder is bored. Machinist B says that the bolt holes should be chamfered after the block has been decked. Which machinist is correct? a) Machinist A only b) Machinist B only c) Both Machinist A and B d) Neither Machinist A nor B 4. Machinist A says that the dowel pins should be removed from the block before the deck surface is machined. Machinist B says that plateau honing should be performed "dry" (without cooling lubricant). Which machinist is correct? a) Machinist A only b) Machinist B only c) Both Machinist A and B d) Neither Machinist A nor B 5. Machinist A says that all oil holes in the crankshaft should be cleaned with a brush and solvent after machining. Machinist B says that the rope seal area of the crankshaft should be knurled after the crankshaft journals have been machined. Which machinist is correct? a) Machinist A only b) Machinist B only c) Both Machinist A and B d) Neither Machinist A nor B 6. Machinist A says that lifter bores should be cleaned and honed if necessary. Machinist B says that some lifter bores may be machined to be oversize at the factory. Which machinist is correct? a) Machinist A only b) Machinist B only c) Both Machinist A and B d) Neither Machinist A nor B 7. Connecting rods should not be heated to above ________. a) 250° F (120° C) b) 450° F (230° C) c) 650° F (340° C) d) 850° F (450° C) 8. Machinist A says that a cracked block may be repaired using a cylinder sleeve if the crack is located in the cylinder wall. Machinist B says that all cylinders should be bored to the same size in the same engine. Which machinist is correct? a) Machinist A only b) Machinist B only c) Both Machinist A and B d) Neither Machinist A nor B 9. Machinist A says that the cylinder hone should be stopped before it is removed from the finished cylinder. Machinist B says that the ridge at the top of the cylinder should be removed after the cylinder is honed. Which machinist is correct? a) Machinist A only b) Machinist B only c) Both Machinist A and B d) Neither Machinist A nor B 10. A forged crankshaft can be identified by _________. a) Its heavy weight as compared to that of a cast crankshaft b) A thick parting line c) A thin parting line d) Its being harder than a cast crankshaft Go to top of quiz © Prentice Hall 2004
No. of Questions= 10