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MICHIGAN MECHANIC LICENSE TEST 2025 ACTUAL
EXAM COMPLETE EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+/ LATEST
VERSION!!!
WHICH OF THE FOLLOWING IS TRUE ABOUT
ADJUSTING VALVE TAPPET CLEARANCE - Answer-A.
THE VALVE TAPPET CLEARENCE ON A HIGH MILEAGE
EGINE SHOULD BE ADJUSTED TIGHTER THAN
SPECIFICATIONS FOR A NEWLY REBUILT ENGINE.
B. VALVE TAPPET CLEARANCE SHOULD BE
ADJUSTED AT TDC AT THE END OF THE
COMPRESSION STROKE. (CORRECT AWNSER)
C. VALVE TAPPET CLEARANCE SHOULD BE
ADJUSTED AT BDC AT THE END OF THE EXHAUST
STROKE.
D. NONE OF THE ABOVE. (NOT CORRECT AWNSER)
THE HYDRAULIC LIFTERS ARE NOISY AT HIGHWAY
SPEEDS BUT QUIET AT LOW SPEEDS. WHAT SHOULD
YOU DO FIRST AS YOU DIAGNOSE THIS PROBLEM? -
Answer-A. CHECK LIFTER LEAKDOWN RATE.
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B. CHECK CRANKCASE OIL LEVEL. (CORRECT
AWNSER)
C. CHECK LIFTER CLEARANCE HOT. (NOT CORRECT
AWNSER)
D. CHECK LIFTER CLEARANCE COLD.
THE VALVE TIMING ON MOST ENGINES IS
CONTROLLED BY: - Answer-A. AN ON BOARD
COMPUTER. (NOT CORRECT AWNSER)
B. A CENTRIFUGAL ADVANCE UNIT.
C. A VACUUM ADVANCE UNIT
D. A BELT, CHAIN OR GEAR DRIVE. (CORRECT
AWNSER)
THE BEARING INSERTS BELOW HAVE BEEN
PLASTIGAGED. WHAT CAN YOU DETERMINE ABOUT
THESE PICTURES? - Answer-A. BOTH BEARING
JOURNALS ARE OUT OF ROUND. (NOT CORRECT
AWNSER)
B. INSERT "B" HAS MORE CLEARANCE.
C. INSERT"A" HAS MORE CLEARANCE.
D. BOTH BEARINGS HAVE EXCESSIVE TAPER.
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THE COMPRESSION TEST HAS SHOWED THAT THE
MIDDLE TWO CYLINDERS ON ONE SIDE OF A V-8
ENGINE HAD READINGS OF 50 PSI. THE OTHER
CYLINDERS HAD READINGS BETWEEN 135 PSI AND
140 PSI. WHAT IS THE LIKELY CAUSE OF THIS
CONDITION? - Answer-A. A BURNED EXHAUST VALVE
B. A BLOWN INTAKE MANIFOLD GASKET.
C. A BLOWN HEAD GASKET. (CORRECT AWNSER)
D. A BURNED INTAKE VALVE. (NOT CORRECT
AWNSER)
EXCESSIVELY WORN VALVE GUIDES: - Answer-A. MAY
BE REPLACED IF REMOVABLE.
B. MAY BE REAMED TO OVERSIZE.
C. MAY CAUSE OIL CONSUMPTION.
D. ALL OF THE ABOVE. (CORRECT AWNSER)
INTAKE VALVE DEPOSITS, AS SHOWN BELOW: -
Answer-A. WILL NOT AFFECT ENGINE
PERFORMANCE.
B. CAN REDUCE VOLUMETRIC EFFICIENCY AND
AFFECT HIGH RPM PERFORMANCE.
MICHIGAN MECHANIC LICENSE TEST 2025 ACTUAL
EXAM COMPLETE EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+/ LATEST
VERSION!!!
WHICH OF THE FOLLOWING IS TRUE ABOUT
ADJUSTING VALVE TAPPET CLEARANCE - Answer-A.
THE VALVE TAPPET CLEARENCE ON A HIGH MILEAGE
EGINE SHOULD BE ADJUSTED TIGHTER THAN
SPECIFICATIONS FOR A NEWLY REBUILT ENGINE.
B. VALVE TAPPET CLEARANCE SHOULD BE
ADJUSTED AT TDC AT THE END OF THE
COMPRESSION STROKE. (CORRECT AWNSER)
C. VALVE TAPPET CLEARANCE SHOULD BE
ADJUSTED AT BDC AT THE END OF THE EXHAUST
STROKE.
D. NONE OF THE ABOVE. (NOT CORRECT AWNSER)
THE HYDRAULIC LIFTERS ARE NOISY AT HIGHWAY
SPEEDS BUT QUIET AT LOW SPEEDS. WHAT SHOULD
YOU DO FIRST AS YOU DIAGNOSE THIS PROBLEM? -
Answer-A. CHECK LIFTER LEAKDOWN RATE.
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B. CHECK CRANKCASE OIL LEVEL. (CORRECT
AWNSER)
C. CHECK LIFTER CLEARANCE HOT. (NOT CORRECT
AWNSER)
D. CHECK LIFTER CLEARANCE COLD.
THE VALVE TIMING ON MOST ENGINES IS
CONTROLLED BY: - Answer-A. AN ON BOARD
COMPUTER. (NOT CORRECT AWNSER)
B. A CENTRIFUGAL ADVANCE UNIT.
C. A VACUUM ADVANCE UNIT
D. A BELT, CHAIN OR GEAR DRIVE. (CORRECT
AWNSER)
THE BEARING INSERTS BELOW HAVE BEEN
PLASTIGAGED. WHAT CAN YOU DETERMINE ABOUT
THESE PICTURES? - Answer-A. BOTH BEARING
JOURNALS ARE OUT OF ROUND. (NOT CORRECT
AWNSER)
B. INSERT "B" HAS MORE CLEARANCE.
C. INSERT"A" HAS MORE CLEARANCE.
D. BOTH BEARINGS HAVE EXCESSIVE TAPER.
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THE COMPRESSION TEST HAS SHOWED THAT THE
MIDDLE TWO CYLINDERS ON ONE SIDE OF A V-8
ENGINE HAD READINGS OF 50 PSI. THE OTHER
CYLINDERS HAD READINGS BETWEEN 135 PSI AND
140 PSI. WHAT IS THE LIKELY CAUSE OF THIS
CONDITION? - Answer-A. A BURNED EXHAUST VALVE
B. A BLOWN INTAKE MANIFOLD GASKET.
C. A BLOWN HEAD GASKET. (CORRECT AWNSER)
D. A BURNED INTAKE VALVE. (NOT CORRECT
AWNSER)
EXCESSIVELY WORN VALVE GUIDES: - Answer-A. MAY
BE REPLACED IF REMOVABLE.
B. MAY BE REAMED TO OVERSIZE.
C. MAY CAUSE OIL CONSUMPTION.
D. ALL OF THE ABOVE. (CORRECT AWNSER)
INTAKE VALVE DEPOSITS, AS SHOWN BELOW: -
Answer-A. WILL NOT AFFECT ENGINE
PERFORMANCE.
B. CAN REDUCE VOLUMETRIC EFFICIENCY AND
AFFECT HIGH RPM PERFORMANCE.
