ENGINE REPAIR MICHIGAN MECHANIC STUDY
GUIDE Questions and Verified Answers, 100% Guarantee Pass (Latest 2025)
WHICH OF THE FOLLOWING IS TRUE ABOUT ADJUSTING VALVE
TAPPET CLEARANCE - Correct Answers ✅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? - Correct Answers ✅A.
CHECK LIFTER LEAKDOWN RATE.
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: -
Correct Answers ✅A. AN ON BOARD COMPUTER. (NOT
CORRECT AWNSER)
B. A CENTRIFUGAL ADVANCE UNIT.
C. A VACUUM ADVANCE UNIT 1 / 3
ENGINE REPAIR MICHIGAN MECHANIC STUDY
GUIDE Questions and Verified Answers, 100% Guarantee Pass (Latest 2025)
D. A BELT, CHAIN OR GEAR DRIVE. (CORRECT AWNSER)
THE BEARING INSERTS BELOW HAVE BEEN PLASTIGAGED.
WHAT CAN YOU DETERMINE ABOUT THESE PICTURES? -
Correct Answers ✅A. BOTH BEARING JOURNALS ARE OUT
OF ROUND. (NOT CORRECT AWNSER)
- INSERT "B" HAS MORE CLEARANCE.
- INSERT"A" HAS MORE CLEARANCE.
D. BOTH BEARINGS HAVE EXCESSIVE TAPER.
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? - Correct Answers ✅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: - Correct Answers ✅A.
MAY BE REPLACED IF REMOVABLE.
B. MAY BE REAMED TO OVERSIZE.
C. MAY CAUSE OIL CONSUMPTION.
D. ALL OF THE ABOVE. (CORRECT AWNSER) 2 / 3
ENGINE REPAIR MICHIGAN MECHANIC STUDY
GUIDE Questions and Verified Answers, 100% Guarantee Pass (Latest 2025)
INTAKE VALVE DEPOSITS, AS SHOWN BELOW: - Correct
Answers ✅A. WILL NOT AFFECT ENGINE PERFORMANCE.
B. CAN REDUCE VOLUMETRIC EFFICIENCY AND AFFECT HIGH
RPM PERFORMANCE.
C. CAN CAUSE DRIVEABILITY PROBLEMS DURING COLD
ENGINE OPERATION.
D. BOTH B AND C. (CORRECT AWNSER)
WHAT IS BEING CHECKED ON THE VALVE SPRING IN THE
ILLUSTRATION BELOW? - Correct Answers ✅A. INSTALLED
HEIGHT (CORRECT AWNSER)
B. SQUARENESS
C. COIL TAPER
D. TENSION (NOT CORRECT AWNSER)
YOU ARE USING A VACUUM GAUGE CONNECTED TO THE
INTAKE MANIFOLD. WHICH OF THE FOLLOWING IS TRUE? -
Correct Answers ✅A. WHEN THE ENGINE IS RAPIDLY
ACCELERATED, THE NEEDLE WILL RISE TO A HIGH READING.
(POSSIBLE CORRECT AWNSER)
B. WHEN THE THROTLE IS RELEASED SUDDENLY FROM 2500
RPM, THE NEEDLE WILL SNAP TO A HIGHER THAN NORMAL
READING FOR AN INSTANT.
- / 3