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310T DRIVE TRAINS EXAM WITH COMPLETE SOLUTIONS!!
What is meant when it is said that a torque converter has a modulated lock-up strategy?
a) The lock-up clutch will apply as early as possible during the drive cycle. b) The lock-up clutch will apply based on a number of factors including throttle request. c) The lock-up clutch will only apply when the driver requests it d) The lock-up clutch will apply only in high range. b) The lock-up clutch will apply based on a number of factors including throttle request.
A stall speed much higher that specified would typically indicate which of the following problems?
a) A slipping clutch b) A stuck stator c) A freewheeling stator d) An engine that needs a tune-up a) A slipping clutch
What are the two phases of torque converter operation?
a) The torque multiplication phase and the lockup phase b) The lock-up phase and the torque multiplication phase
c) The torque multiplication phase and the coupling phase d) The stator phase and the lock-up phase c) The torque multiplication phase and the coupling phase
The stall test can be used to determine which of the following? a) The condition of the transmission only b) The condition of the torque converter only c) The condition of the engine, torque converter, and the transmission d) The condition of the engine only c) The condition of the engine, torque converter, and the transmission
Which of the following is likely the problem if a stall speed is 600 rpm or more lower than specification?
a) A freewheeling stator in the torque converter b) A torque converter that is not full of fluid c) A stuck stator in the torque converter d) A transmission that has a seized clutch a) A freewheeling stator in the torque converter
During a converter stall test, which of the following could indicate a stuck or seized stator?
a) Higher than normal stall speed b) Extremely low stall speed
c) Straight to the transmission sump d) To the front lube circuit b) To the transmission cooler
When the engine is idling and you are in park or neutral, which of the following would be happening in the torque converter?
a) Both the impeller and the turbine are stopped, and the stator is turning. b) The impeller, the stator, and the turbine are all turning at close to the same speed. c) The impeller is turning; the stator is locked; and the turbine is stopped. d) Both the impeller and the turbine are turning, and the stator is locked. b) The impeller, the stator, and the turbine are all turning at close to the same speed.
Which of the following allows equipment to start up virtually load free?
a) Fluid coupler b) Stator c) Turbine d) Torque converter a) Fluid coupler
The converter shell is comprised of two halves. The rear half has the shape of a hollowed-out donut and is called a___________.
a) pump drive hub
b) torus c) vortex d) stator b) torus
The torque _____________ phase occurs any time the torque converter is increasing the engine's torque output to the transmission's input shaft.
a) multiplication phase b) coupling phase c) lock-up d) cool down a) multiplication phase
The torque converter shell or housing is physically attached, though not directly, to the __________.
a) transmission b) engine crankshaft c) turbine d) flex plate b) engine crankshaft
Which of the following is the driving member of the torque converter and is part of or
What type of systems restricts the engine fueling until turbo boost is high enough?
a) Smoke control b) Exhaust c) Conveying d) Hydraulic a) Smoke control
What type of noises that seem to emanate from the converter, but do not change, could indicate transmission front pump problems?
a) Clicking b) Whining c) Grinding d) Hissing b) Whining
The stator wheel is only unlocked during what phase? a) Coupling b) Lock-up c) Torque multiplication d) Cool-down a) Coupling
The stator wheel's axial position is usually controlled by ____________.
a) thrust bearings or washers b) the rotating impeller c) the clearance between the elements d) changing the curvature of the elements a) thrust bearings or washers
When installed in the transmission, what drives the transmission oil pump gears?
a) Impeller b) Driveshaft c) Pump drive hub d) Turbine c) Pump drive hub
Which of the following lock-up clutch components is usually located in the front half of the converter shell?
a) Backing plate b) Friction disc c) Ground shaft d) Hydraulic piston d) Hydraulic piston
d) Systematic b) Modulated
In order for the torque converter to obtain maximum torque multiplication, the stator must be __________ to redirect the fluid leaving the turbine.
a) held stationary b) engaging c) freewheeling d) rotating a) held stationary
If engine rpm does not stabilize and continues to rise or the temperature rises above the maximum levels, what test should be stopped immediately?
a) Stall test b) Road test c) Pressure test d) Lock-up converter test a) Stall test
What would be the second check on the newly reassembled torque converter?
a) Heat b) Leak
c) Fluid level d) End play b) Leak
The torque converter places enormous load and shear forces on the transmission fluid that create tremendous amounts of __________.
a) torque b) heat c) friction d) pressure b) heat
What would be the output on the ring gear of a planetary gear set when the carrier is input and the sun gear is the held component?
a) Minimum forward reduction b) Maximum forward reduction c) Maximum forward overdrive d) Minimum forward overdrive d) Minimum forward overdrive
Which of the following will produce a direct ratio from a planetary gear set?
a) Ring gear input, carrier output, sun gear held
output?
a) 1.4 to 1 b) 0.4 to 1 c) 3.5 to 1 d) 2.5 to 1 c) 3.5 to 1
Which of the following planetary gear train control devices can be used to hold members stationary?
a) The sprag or roller type one-way clutch b) All of the choices can be used as holding devices. c) The hydraulic clutch d) The servo and band mechanism b) All of the choices can be used as holding devices.
Which of the following planetary gear train control devices can sometimes be adjusted from the outside of the transmission?
a) The hydraulic clutch b) The sprag-type one-way clutch c) The servo and band mechanism d) The roller-type one-way clutch c) The servo and band mechanism
Why do we sometimes use a roller-type one-way clutch to hold a member of the planetary gear set?
a) To save money b) To prevent engine braking when decelerating c) All of the choices are correct. d) To provide a much smoother engagement than a hydraulic clutch b) To prevent engine braking when decelerating
Which of the following is considered the strongest planetary gear train control device?
a) Servo and band mechanism b) Roller-type one-way clutch c) Hydraulic clutch d) Sprag-type one-way clutch c) Hydraulic clutch
The power flow through two interconnected planetary gear sets is best described as _________ power flow.
a) versatile b) double reverse c) compound d) reverse c) compound
a) epicyclical
In simple planetary gear sets, what revolves around the sun gear like planets in our solar system?
a) Pinions b) Ring gears c) Carriers d) Epicyclical gears a) Pinions
What type of gears will be noisier in operation, but they create no axial thrust?
a) Bevel-cut b) Helical-cut c) Spur-cut d) Spiral-bevel cut c) Spur-cut
If the carrier is the held or reaction member of the gear set, then the results will always be_______________.
a) a forward reduction ratio b) reverse c) a forward underdrive ratio
d) a forward overdrive ratio b) reverse
When the carrier is the held member, the result is always ___________ and the carrier pinions act as idler gears.
a) direct drive b) a forward overdrive c) reverse d) a forward reduction c) reverse
Which of the following is the strongest planetary gear train control device?
a) Hydraulic clutch b) Hydraulic piston c) Sprag-type one-way clutches d) Brake bands a) Hydraulic clutch
We have an expert-written solution to this problem! What gear set uses a separate planetary gear set as the input to a Ravigneaux gear set and produces six forward speeds, including two overdrives and one reverse?
a) Wilson
a) maximum forward overdrive b) minimum forward overdrive c) reverse reduction d) maximum forward reduction b) minimum forward overdrive
We have an expert-written solution to this problem! Reaction plates are normally splined to the ____________.
a) transmission output shaft b) brake band c) planetary gear component d) clutch hub d) clutch hub
With planetary gears, even though there is no control device holding a planetary gear component, the component can still act as a(n)____________ if it requires a load to cause it to turn.
a) servo piston b) idler gear c) held member d) epicyclical gear c) held member
The planetary gear set can be used to create __________, allowing torque and speed to pass through the gear set unchanged.
a) minimum forward overdrive b) no axial thrust c) no radial thrust d) a direct drive d) a direct drive
In the Simpson planetary gear set, the high and reverse clutch that inputs to the sun gear has a _________attached to it.
a) clutch hub b) friction plate c) reaction plate d) brake band d) brake band
What gear set was originally a three-speed gear set able to provide an overdrive with minor modification?
a) ZF b) Ravigneaux c) Wilson d) Simpson b) Ravigneaux
