Michigan Mechanic Actual Final Paper Questions And Solutions Rated A+

MICHIGAN MECHANIC ACTUAL FINAL PAPER QUESTIONS
AND SOLUTIONS RATED A+
✔✔WHAT IS BEING CHECKED ON THE VALVE SPRING IN THE ILLUSTRATION
BELOW? - ✔✔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? - ✔✔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.
C. A "NORMAL" GAUGE READING AT IDLE WOULD BE 7-10 INCHES.
D. ALL OF THE ABOVE. (NOT CORRECT AWNSER)

✔✔WHAT ARE THE MINIMUM AND MAXIMUM MEASUREMENTS OF A SHAFT
GIVEN 2.125 PLUS OR MINIUS .015? - ✔✔A. 2.062-2.250 (NOT CORRECT
AWNSER)
B. 1.975-2.275
C. 2.110-2.140 (CORRECT AWNSER)
D. 2.124-2.126

✔✔THE MECHANIC HAS DETERMINED THAT NO FUEL SQUIRTS INTO THE
CARBURETOT WHEN THE THROTTLE IS OPENED QUICKLY. WHAT COULD BE
CAUSED BY: - ✔✔A. DISCONNECTED LINKAGE.
B. A HARDENED ACCELERATOR PUMP PLUNGER.
C. A PLUGGED PUMP NOZZLE.
D. ALL OF THE ABOVE. (CORRECT AWNSER)

✔✔A WARM ENGINE HAS LOW OIL PRESSURE. THE MOST LIKELY CAUSE OF
THE LOW OIL PRESSURE IS: - ✔✔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? - ✔✔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? - ✔✔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.) - ✔✔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? - ✔✔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)
C. HAVE THE BLOCK BORED 0.010" OVERSIZE. THERE IS TOO MUCH TAPER.
D. DEGLAZE CYLINDERS, USE ORIGINAL PISTONS AND NEW STANDARD RINGS.
(CORRECT AWNSER)

✔✔REFER TO THE MANUFACTURER'S SPECIFICATIONS IN THE IMAGE. YOU
COULD FIND THE AMOUNT OF BORE TAPER BY: - ✔✔A. ADDING MEASUREMENT
"C" AND "D" TOGEATHER.
B. SUBTRACTING MEASUREMENT "D" FROM MEASUREMENT "C".
C. SUBTRACTING MEASUREMENT "A" FROM MEASUREMNT "B".
D. ADDING MEASUREMENT "A" AND "B" TOGEATHER. (NOT CORRECT AWNSER)

✔✔VALVE-TAPPET CLEARANCE ON A RUNNING ENGINE WITH HYDRAULIC
LIFTERS IS: - ✔✔A. .012" TO .014".
B. .006" TO .008". (POSSIBLE CORRECT AWNSER)
C. ZERO
D. .014" TO .016". (NOT CORRECT AWNSER)

✔✔WHAT IS THE PURPOSE OF VALVE-TAPPET CLEARANCE? - ✔✔A. TO ALLOW
FOR PROPER LUBRICATION OF THE VALVE.
B. TO COMPENSATE FOR TEMPERATURE CHANGE AND VALVE TRAIN WEAR.
(CORRECT AWNSER)
C. TO PREVENT VALVE GUIDE WEAR.