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SOS Mechanic Certificate -Engine Repair Exam Set Tested Questions With Correct Answers
Preview 2 out of 10 pages
SOS Mechanic Certificate -Engine Repair Exam Set Tested Questions With Correct Answers WHICH OF THE FOLLOWING IS TRUE ABOUT ADJUSTING VALVE TAPPET CLEARANCE ANS: VALVE TAPPET CLEARANCE SHOULD BE ADJUSTED AT TDC AT THE END OF THE COMPRESSION STROKE. THE HYDRAULIC LIFTERS ARE NOISY AT HIGHWAY SPEEDS BUT QUIET AT LOW SPEEDS. WHAT SHOULD YOU DO FIRST AS YOU DIAGNOSE THIS PROBLEM? ANS: CHECK CRANKCASE OIL LEVEL. THE VALVE TIMING ON MOST ENGINES IS CONTROLLED BY: ANS: A BELT, CHAIN OR GEAR DRIVE THE BEARING INSERTS BELOW HAVE BEEN PLASTIGAGED. WHAT CAN YOU DETERMINE ABOUT THESE PICTURES? ANS: INSERT"A" HAS MORE CLEARANCE.
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- May 27, 2024
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