Engine Repair Michigan Mechanic Exam Actual Questions And Answers Complete Preparation

ENGINE REPAIR MICHIGAN MECHANIC EXAM
ACTUAL QUESTIONS AND ANSWERS
COMPLETE PREPARATION


◉ A WARM ENGINE HAS LOW OIL PRESSURE. THE MOST LIKELY
CAUSE OF THE LOW OIL PRESSURE IS.
Answer: A. LEAKY MAIN BEARING SEALS. (CORRECT AWNSER)
B. WORN VALVE GUIDES.
C. WORN BEARINGS.
D. LEAKY HYDRAULIC LIFTERS (NOT CORRECT AWNSER)


◉ WHAT IS THE READING OF THE 0-1 INCH MICROMETER BELOW.
Answer: A. 0.575" (NOT CORRECT AWNSER)
B. 0.599"
C. 5.750" (CORRECT AWNSER)
D. 1.599"


◉ YOU ARE REINSTALLING PISTONS WITH NEW RINGS. THE RING
COMPRESSOR WILL NOT FIT TIGHT AROUND A PISTON SKIRT AND
THE RINGS BIND ON THE BLOCK SURFACE. WHAT SHOULD YOU
DO?.
Answer: A. CHECK THE RING END GAP. (CORRECT AWNSER)

, B. FILE THE LANDS.
C. USE A RIDGE REAMER.
D. HONEN THE CYLINDER FOR MORE CLEARENCE. (NOT CORRECT
AWNSER)


◉ YOU HAVE CHECKED THE CRANKSHAFT AND FOUND THYE
FOLLOWING MEASUREMENTS BELOW. THE ROD JOURNAL
SURFACES ARE SMOOTH AND NO ROD JOURNAL TAPER IS
PRESENT. WHAT SHOULD YOU DO? (USE GIVEN SPECIFICATIONS
AND MEASUREMENTS.).
Answer: A. INTALL 0.010" UNDERSIZE BEARINGS IN ALL RODS.
B. INSTALL 0.005" UNDERSIZE BEARINGS IN ALL RODS.
C. GRIND THE CRANK BECAUSE OF TOO MUCH ROD JOURNAL OUT-
OF-ROUND.
D. INSTALL STANDARD BEARINGS IN ALL RODS. (CORRECT
AWNSER)


◉ YOU HAVE MEASURED THE CYLINDERS AND OBTAINED THE
MEASUREMENTS GIVEN BELOW. ALL THE CYLINDERS ARE
SMOOTH AND THE PISTONS ARE REUSEABLE. WHAT SHOULD THE
MECHANIC DO?.
Answer: A. HAVE THE BLOCK HONED OVERSIZE AND USE
OVERSIZE PINTONS.
B. HAVE THE BLOCK BORED 0.010" OVERSIZE. THERE IS TOO
MUCH OUT-OF-ROUND. (NOT CORRECT AWNSER)