ENGINE REPAIR (A1) No. of Questions= 10 Pass mark is - 75 %. You can press the Mark it button at the bottom of the page to have the quiz marked. Please attempt all questions. You need 75% to progress. 1. A cast-iron cylinder head is checked for warpage using a straightedge and a feeler (thickness) gauge. The amount of warpage on a V-8 cylinder head was 0.002 inch (0.05 millimeter). Technician A says that the cylinder head should be resurfaced. Technician B says that the cylinder head should be replaced. Which technician is correct? a) Technician A only b) Technician B only c) Both Technician A and B d) Neither Technician A nor B 2. The higher the microinch finish, the ______ the surface. a) Rougher b) Smoother 3. Aluminum cylinder heads should be straightened before the head surface is machined. a) True b) False 4. The valve guide should be reconditioned or replaced before the valve seats are reconditioned. a) True b) False 5. Technician A says that a dial indicator (gauge) is often used to measure valve guide wear. Technician B says that a feeler gauge can be used to measure the valve guide. Which technician is correct? a) Technician A only b) Technician B only c) Both Technician A and B d) Neither Technician A nor B 6. Technician A says that a worn valve guide can be honed and a valve with an undersized stem can be used. Technician B says that a worn valve guide must be replaced with a bronze insert to restore the cylinder head to useful service. Which technician is correct? a) Technician A only b) Technician B only c) Both Technician A and B d) Neither Technician A nor B 7. Technician A says that worn integral guides can be repaired by knurling. Technician B says that worn integral guides can be replaced. Which technician is correct? a) Technician A only b) Technician B only c) Both Technician A and B d) Neither Technician A nor B 8. Typical valve-to-valve guide clearance should be ________. a) 0.001 to 0.003 inch (0.025 to 0.076 millimeter) b) 0.010 to 0.030 inch (0.25 to 0.76 millimeter) c) 0.035 to 0.060 inch (0.89 to 1.52 millimeters) d) 0.100 to 0.350 inch (2.54 to 8.90 millimeters) 9. Technician A says that aluminum heads usually use integral valve seats. . Technician B says that Stellite is an alloy used in valves and valve seats that can be identified because it is nonmagnetic. Which technician is correct? a) Technician A only b) Technician B only c) Both Technician A and B d) Neither Technician A nor B 10. Before a valve spring is reused, it should be checked for ________. a) Squareness b) Free height c) Tension d) All of the above Go to top of quiz © 20041 Prentice Hall. All Rights Reserved.
No. of Questions= 10 Pass mark is - 75 %. You can press the Mark it button at the bottom of the page to have the quiz marked.