1.Technician A says that the valve guide must be clean and not worn excessively before repairing...

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1.Technician A says that the valve guide must be clean and not worn excessively before repairing valve seats. Technician B says to pick a guide pilot that slides down to the bottom of the guide easily. Who is correct? A. A only В. В only C. Both A and B D. Neither A nor B 2. A valve seat is too wide. The area of contact is high toward the head of the valve. The seat should be cut with a stone. A. 30-degree B. 44-degree C. 45-degree D. 60-degree 3. What preparation must be done to the valve guides before measuring valve seat run out? A. Use 30W engine oil to lubricate the guide. B. Clean the valve guide with a bore brush. C. Ream the valve guide to its original diameter. D. Use a pilot to hold the guide in place. 4. Technician A says that a worn-out valve guide will provide an inaccurate valve seat run out measurement. Technician B says that the valve seat-to-face contact area provides a path for heat from the valve head to dissipate. Who is correct? A. A only B. B only C. Both A and B D. Neither A nor B 1.Technician A says that the valve guide must be clean and not worn excessively before repairing valve seats. Technician B says to pick a guide pilot that slides down to the bottom of the guide easily. Who is correct? A. A only В. В only C. Both A and B D. Neither A nor B 2. A valve seat is too wide. The area of contact is high toward the head of the valve. The seat should be cut with a stone. A. 30-degree B. 44-degree C. 45-degree D. 60-degree 3. What preparation must be done to the valve guides before measuring valve seat run out? A. Use 30W engine oil to lubricate the guide. B. Clean the valve guide with a bore brush. C. Ream the valve guide to its original diameter. D. Use a pilot to hold the guide in place. 4. Technician A says that a worn-out valve guide will provide an inaccurate valve seat run out measurement. Technician B says that the valve seat-to-face contact area provides a path for heat from the valve head to dissipate. Who is correct? A. A only B. B only C. Both A and B D. Neither A nor B

Answer rating: 100% (QA)

1 Option C Both a and b 2 Option C Fo... View the full answer