Exam (elaborations)
ENGINE REPAIR MICHIGAN MECHANIC STUDY GUIDE 2024/2025 A+ score assured (100% verified)
- Module
- Institution
ENGINE REPAIR MICHIGAN MECHANIC STUDY GUIDE 2024/2025 A+ score assured (100% verified)
[Show more]
Seller
Follow
Tutor96
Reviews received
Content preview
ENGINE REPAIR MICHIGANMECHANIC STUDY GUIDE
WHICH OF THE FOLLOWING IS TRUE ABOUT ADJUSTING VALVE TAPPET
CLEARANCE - ANSA. 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? -
ANSA. 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: - ANSA. 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? - ANSA. 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.
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? - ANSA. 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: - ANSA. 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: - ANSA. 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? -
ANSA. 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? - ANSA. 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? - ANSA. 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: - ANSA.
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: - ANSA. 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? - ANSA. 0.575" (NOT
CORRECT AWNSER)
B. 0.599"
C. 5.750" (CORRECT AWNSER)
D. 1.599"
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Tutor96. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £10.31. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
85651 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy revision notes and other study material for 14 years now