ENGINE REPAIR MICHIGAN MECHANIC
STUDY GUIDE 2025/2026 Exam
Questions with 100% Correct Answers |
Latest Update
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.
1
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,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.
2
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, 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.
3
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
STUDY GUIDE 2025/2026 Exam
Questions with 100% Correct Answers |
Latest Update
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.
1
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
,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.
2
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
, 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.
3
COPYRIGHT©PROFFKERRYMARTIN 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE.
PRIVACY STATEMENT. ALL RIGHTS RESERVED
