Cylinder heads with four valves flow more air than those with two valves because ________. They have a greater open area. Use a higher lift camshaft Increase the velocity of the air Both A and C Two technicians are discussing a Hemi engine. Technician A says that a Hemi is an engine with a hemispherical-shaped combustion chamber. Technician B says that all Hemi engines are designs. Which technician is correct? Technician A only Technician B only Both Technicians A and B Neither Technician A nor B 22. Technician A says that an Audi five-valve engine uses three intake valves and two exhaust valves. Technician B says that it uses three exhaust valves and two intake valves. Which technician is correct? Technician A only Technician B only Both Technicians A and B Neither Technician A nor B 23. The gasket surface of a cylinder head, as measured with a precision straightedge, should have a maximum variation of ________. 0.002 inch in any 6-inch length or 0.004 inch overall 0.001 inch in any 6-inch length or 0.004 inch overall 0.020 inch in any 10-inch length or 0.020 inch overall 0.004 inch in any 10-inch length or 0.008 inch overall 24. Some vehicle manufacturers recommend repairing integral guides using ________. OS stem valves Knurling Replacement valve guides guide inserts 25. Typical valve stem-to-valve guide clearance is ________. 0.030 to 0.045 inch (0.8 to 1.0 millimeter) 0.015 to 0.020 inch (0.4 to 0.5 millimeter) 0.005 to 0.010 inch (0.13 to 0.25 millimeter) 0.001 to 0.004 inch (0.03 to 0.05 millimeter)
Cylinder heads with four valves flow more air than those with two valves because ________. They have a greater open area. Use a higher lift camshaft Increase the velocity of the air Both A and C Two technicians are discussing a Hemi engine. Technician A says that a Hemi is an engine with a hemispherical-shaped combustion chamber. Technician B says that all Hemi engines are designs. Which technician is correct? Technician A only Technician B only Both Technicians A and B Neither Technician A nor B 22. Technician A says that an Audi five-valve engine uses three intake valves and two exhaust valves. Technician B says that it uses three exhaust valves and two intake valves. Which technician is correct? Technician A only Technician B only Both Technicians A and B Neither Technician A nor B 23. The gasket surface of a cylinder head, as measured with a precision straightedge, should have a maximum variation of ________. 0.002 inch in any 6-inch length or 0.004 inch overall 0.001 inch in any 6-inch length or 0.004 inch overall 0.020 inch in any 10-inch length or 0.020 inch overall 0.004 inch in any 10-inch length or 0.008 inch overall 24. Some vehicle manufacturers recommend repairing integral guides using ________. OS stem valves Knurling Replacement valve guides guide inserts 25. Typical valve stem-to-valve guide clearance is ________. 0.030 to 0.045 inch (0.8 to 1.0 millimeter) 0.015 to 0.020 inch (0.4 to 0.5 millimeter) 0.005 to 0.010 inch (0.13 to 0.25 millimeter) 0.001 to 0.004 inch (0.03 to 0.05 millimeter)
2015.quiz.2.docx