2025/2026 Exam Questions and Verified
Answers | Already Graded A+
2. which of the following steps is the tech LEAST LIKELY to take when
pressing the wrist pin into the piston and connecting rod
-align the bores in the piston and connecting rod
-heat the small end of the rod
-make sure that position marks on the piston and connecting rod are
oriented properly
-heat the wrist pin - 🧠 ANSWER ✔✔heat the wrist pin
(heating the wrist pin is the LEAST LIKELY step because it will cause the
pin to expand and prevent it from fitting into the connecting rod and piston
bores)
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,-the bores in the piston and the rod should be aligned before pressing in
the wrist pin
-the small end of the rod should be heated before pressing in the wrist pin
-position marks on the piston and rod should be oriented properly before
pressing in the wrist pin
3. tech A says a special puller and installer tool is required to remove and
install the vibration damper. tech B says if the inertia ring on the vibration
damper is loose, the damper must be replaced
A
B
Both
Neither - 🧠 ANSWER ✔✔Both
A special puller and installer tool are required to remove and install the
vibration damper. Using a regular gear puller to remove the vibration
damper will damage the damper.
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,Also, a loose inertia ring on the damper requires replacement of the
damper.
5. if new rings are installed without removing the ring ridge, what may be
the result?
-piston skirt may be damaged
-piston pin may be broken
-connecting rod bearings may be damaged
-piston ring lands and/or top compression ring may crack - 🧠 ANSWER
✔✔piston ring lands and/or top compression ring may crack
(failing to remove the ridge ring may cause piston ring lands and/or the top
compression ring to crack or break after the engine is assembled and
started)
-piston skirt & pin would not be damaged
-connecting rod bearings would not be affected
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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, 6. when measuring the crankshaft journal (in the figure), the difference
between measurements:
A & B indicate horizontal taper
C & D indicate vertical taper
A & C indicate out-of-round
A & D indicate out-of-round - 🧠 ANSWER ✔✔A & C indicate out-of-round
-A&B indicate vertical taper
-C&D indicate horizontal taper
-A&D do not indicate out-of-round
15. tech A says a warped cylinder head mounting surface on a block may
cause valve seat distortion. tech B says a warped cylinder head mounting
surface a block may cause coolant and combustion leaks
A
B
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