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heavy vehicle drive train Questions with Correct Answers
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heavy vehicle drive train
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heavy vehicle drive trainWhich of the following driving practices can cause abnormal wear to clutch
components? - answerstanding starts in high gear ratio, riding the clitch pedal, and
using the clutch to hold a truck on an incline.
what is the function of the clutch brake? - answersmooth shifts into first and reverse
what is the function of coaxial springs in a clutch friction plate? - answerdampening of
driveline torsionals, dampening of engine torsionals, reducing clutch chatter
what is generally considered to be the major cause of clutch failure? - answerexcess
heat
what is recommended advice for selecting the appropriate starting gear? - answerselect
a gear ratio that allows you to start moving with the engine at idle rpm
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? - answerTech a
when a gear with 14 teeth drives a gear with 21 teeth, how will speed and torque output
be changed? - answertorque increases, speed decreases
if a drive gear is required to rotate a driven gear in the same direction of rotation, which
of the following is a requirement? - answeridler gear gear is required between the drive
and driven gears.
when one gear is in mesh and turning another, which of the following describes type of
contact that results? - answersliding action and rolling action
a gear of 12 inches (305 mm) in diameter is driving a second of 24 inches (610mm) in
diameter. Which of the following will result from the driven gear? - answerincreased
torque, reduced speed
when the output speed exceeds the input speed of a gear set, this is known as -
answerover drive
what is the function of synchronizers in a truck transmission? - answerbring the
rotational speed of two rotating components to a single speed, locks two rotating
compenents together, and reduce gear clashing
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