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What determines the point at which a centrifugal clutch becomes fully engaged?


A) road speed
B) engine rpm
C) clutch pedal position
D) clutch shaft rpm

E) All of the above
F) None of the above

Correct Answer

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Technician A says excessive clutch pedal free travel can result in a clutch that does not fully disengage.Technician B says that too little free pedal travel can result in a slipping clutch.Who is correct?


A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

E) B) and D)
F) B) and C)

Correct Answer

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What is the creep feature of an Eaton wet clutch system known as?


A) urge-to-move
B) datalink mechanical
C) slippage
D) pneumatic actuation

E) None of the above
F) B) and C)

Correct Answer

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When the Urge-to-move feature is used on an Eaton Autoshift with an AW clutch,what hardware component in the system makes this possible?


A) planetary gearset
B) torque converter
C) slip synchros
D) wet clutch

E) All of the above
F) B) and C)

Correct Answer

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Which of the following bad driving practices is the most likely cause for clutch facings to be "thrown off" the clutch discs?


A) coasting
B) riding the clutch pedal
C) starting in an incorrect gear
D) skip-shifting

E) A) and B)
F) All of the above

Correct Answer

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Which of the following clutch pack components never rotates in operation?


A) pressure plate
B) pressure plate springs
C) release bearing housing
D) pilot bearing

E) A) and B)
F) None of the above

Correct Answer

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Which of the following driving practices can cause abnormal wear to clutch components?


A) standing starts in high gear ratios
B) riding the clutch pedal
C) using the clutch to hold a truck on an incline
D) all of the above

E) A) and D)
F) A) and B)

Correct Answer

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How is the intermediate plate driven in a two-plate clutch assembly?


A) notches around the circumference that engage to flywheel drive pins
B) external tangs that fit into notches in the clutch cover
C) both A and B
D) neither A nor B

E) All of the above
F) B) and C)

Correct Answer

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Which of the following dimensions would be a typical specified clearance between a release bearing and clutch cover in a clutch pack using a clutch brake?


A) 1/4 inch (6 mm)
B) 1/2 inch (12 mm)
C) 3/4 inch (19 mm)
D) 1 inch (24 mm)

E) A) and B)
F) B) and D)

Correct Answer

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Where is a clutch (bell) housing flange face most susceptible to wear at its mating surface with the flywheel housing?


A) between 10 and 2 o'clock
B) 6 o'clock
C) between 3 and 8 o'clock
D) 12 o'clock

E) A) and B)
F) None of the above

Correct Answer

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What is the function of the clutch brake?


A) smooth shifts into first and reverse
B) assist the vehicle foundation brakes
C) smooth downshifts from high to low
D) all of the above

E) A) and B)
F) A) and C)

Correct Answer

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A

Which of the following dimensions is within the specified clutch pedal freeplay dimension measured at the pedal?


A) 1 inch
B) 1 3/4 inches
C) 2 1/4 inches
D) 2 3/4 inches

E) B) and D)
F) None of the above

Correct Answer

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Which of the following components can easily be modified for use as a pilot shaft for installing clutch assemblies?


A) clutch fork shaft
B) used transmission input shaft
C) used axle stub
D) transmission tailshaft

E) A) and D)
F) A) and C)

Correct Answer

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Technician A says that clutch shaft pilot bearings should be replaced each time a clutch pack is replaced.Technician B says that the pilot bearing should always be inspected when a clutch pack is replaced.Who is correct?


A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

E) B) and D)
F) All of the above

Correct Answer

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C

Technician A says that when a clutch brake is damaged by driver abuse,the transmission must be removed to install a replacement clutch brake.Technician B says that a two-piece clutch brake can be used as a replacement for an integral brake.Who is correct?


A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

E) B) and D)
F) None of the above

Correct Answer

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As clutch friction facings wear on a truck pull-type clutch,how is clutch pedal free travel affected?


A) decreases
B) increases
C) unaffected

D) B) and C)
E) A) and C)

Correct Answer

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What is the function of coaxial springs in a clutch friction plate?


A) dampening of driveline torsionals
B) dampening of engine torsionals
C) reducing clutch chatter
D) all of the above

E) B) and C)
F) All of the above

Correct Answer

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Technician A says that bursting of clutch friction facings is often caused by coasting a truck with the clutch pedal depressed.Technician B says that a clutch pressure plate with warpage sufficient to insert a 0.003 inch (0.08 mm) thickness gauge under a straight edge must be replaced.Who is correct?


A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B

E) C) and D)
F) B) and C)

Correct Answer

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Which of the following clutch pack components has to always rotate at the same speed as the engine flywheel?


A) pilot bearing inner race
B) release bearing
C) pressure plate
D) friction discs

E) A) and B)
F) All of the above

Correct Answer

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What is required at PMI to maintain a Solo clutch through its service life?


A) check wear indicator only
B) lube release bearing only
C) both A and B
D) nothing,it is 100% maintenance-free

E) A) and B)
F) A) and C)

Correct Answer

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C

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