Download C of Q 310T Prep| 310t Exam| 2 SETS COMPLIED With complete solu"on| Updated A+ and more Exams Nursing in PDF only on Docsity!
C of Q 310T Prep| 310t Exam| 2 SETS COMPLIED With
complete solu"on| Updated A+
- Which of the following clutch components is a driven member?! a. clutch cover b. clutch fricon disc c. intermediate plate d. pressure plate
b. clutch fricon disc
- Which of the following is not a part of the clutch cover assembly?! a. pressure spring b. release lever c. pressure plate d. adapter ring
d. adapter ring
- Which of the following clutch components is splined to the input sha of the transmission?! a. clutch fricon disc b. pressure plate c. release bearing d. flywheel
a. clutch fricon disc
- What is the funcon of a current clutch brake used in a heavy-duty drivetrain?! a. minimize gear clash during a neutral to first gear shi b. minimize gear clash during downshi s to all raos c. minimize gear clash during upshi s to all raos d. none of the above
a. minimize gear clash during a neutral to first gear shi
- Which of the following driving procedures will result in clutch or driveline damage?! a. driving with a foot on the clutch pedal b. using the clutch as a brake to hold the truck on a hill and incline
c. coasng downhill with the transmission in gear and the clutch disengaged d. all of the above
d. all of the above
- Which of the following could be a cause of poor clutch release?! a. damaged drive pins b. worn clutch linkage c. worn release bearing d. all of the above
d. all of the above
- How o en should a clutch be inspected and lubricated?! a. every month b. every 6,000 to 10,000 miles c. any me the chassis is lubricated d. all of the above
d. all of the above
- When adjusng clutch linkage, Technician A says that pedal free travel should be about 1½ to 2 inches. Technician B says that free travel should be more than ½ inch measured at the release forks. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B
a. Technician A only
- When servicing clutches, Technician A always wears an OSHA-approved parculate mask. Technician B uses compressed air to clean off clutch components before removing a clutch pack. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B
a. Technician A only
- When regarding the operaon of a typical 15½- inch clutch, which of the following components constantly rotates at engine rpm?! a. rear clutch disc b. front clutch disc c. intermediate plate d. clutch brake
c. intermediate plate
- When inspecng the mang faces of a clutch bell housing, which of the following can be regarded as the crical wear area?! a. at the 12 o'clock posion b. at the 3 o'clock posion c. between 2 o'clock and 10 o'clock counterclockwise d. between 3 o'clock and 8 o'clock clockwise
d. between 3 o'clock and 8 o'clock clockwise
- Which of the following adjustments is made on nonsynchronized transmissions only?! a. pedal height b. total pedal travel c. clutch brake squeeze d. free travel
c. clutch brake squeeze
- A driver complains of a hard clutch pedal. Technician A says that the problem may be damaged bosses on the release yoke assembly. Technician B says that the clutch linkage may be worn or damaged. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B
c. both A and B
- Technician A says that when the driver releases (disengages) the clutch while coasng downhill, the clutch may overheat. Technician B says that overheang may result when the driver rides
the clutch pedal. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B
c. both A and B
- There are grooves worn in a clutch pressure plate. Technician A says that the clutch discs could be worn or damaged. Technician B says that the clutch pressure springs could be worn or damaged. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B
a. Technician A only
- Which of the following should be used to remove minor heat discoloraon from a clutch pressure plate?! a. cleaning solvent with a nonpetroleum base b. ammonia c. emery cloth d. none of the above
c. emery cloth
- Which of the following statements is/are correct about geartrains?! a. They transmit speed and torque unchanged. b. They decrease speed and increase torque. c. They increase speed and decrease torque. d. all of the above
d. all of the above
- Which of the following gear raos indicates the most amount of overdrive?! a. 2.15: b. 1: c. 0.85: d. 0.64:
a. single countersha b. twin countersha c. triple countersha d. double planetary
b. twin countersha
- Which of the following is true of a twin-countersha standard transmission?! a. It divides input torque between two separate sha s. b. It allows the face width of each gear to be reduced. c. It allows the main sha to float between the countersha s. d. all of the above
d. all of the above
- In a range shi air control system, which component distributes inlet air pressure to both the lowand high-range air hoses running to the range cylinder?! a. a slave valve b. a spliBer valve c. an air regulator d. an air compressor
a. a slave valve
- To provide for overdrive gearing in the high- and low-auxiliary transmission ranges, which of the following components is added to the basic range-shi air control system?! a. a spliBer cylinder b. a buBon-actuated shi lever valve c. an addional slave valve d. both a and b
d. both a and b
- What component retains a shi rail in posion following a shi ?! a. a detent ball b. a slave valve c. a range cylinder d. a dog clutch
a. a detent ball
- An auxiliary mechanical drive for truck accessories driven by the transmission is known as a(n)?! a. transfer case b. power take-off (PTO) unit c. auxiliary transmission d. synchronizer
b. power take-off (PTO) unit
- Which of the following statements is true regarding the funcon of a transfer case?! a. It transfers torque from the transmission to a front drive axle. b. It transfers torque from the transmission to the rear drive axle(s). c. It may provide an addional gear reducon in the drivetrain. d. all of the above
d. all of the above
- Which of the following components in a typical heavy-duty, twin-countersha transmission could be described as floang?! a. countersha s b. the main sha c. the input sha d. the output sha
b. the main sha
- Which of the following OEM-approved lubricants would produce the longest service life in a standard transmission?! a. synthec E-500 gear lube b. SAE 50 grade heavy-duty engine oil c. mulpurpose or EP gear lube d. SAE 50 grade transmission fluid
a. synthec E-500 gear lube
- A er breaking in a new transmission filled with E-500 synthec lube on a truck used in a linehaul applicaon, when should the first oil change take place?! a. between 3,000 and 5,000 miles of service b. a er 25,000 miles of vocaonal service
from the vehicle. d. A gearshi tower cannot be separated from a shi rail assembly.
b. An auxiliary secon can be removed and overhauled without removing the transmission from the chassis.
- A driver complains of driveline vibraon. Which of the following would be the least likely cause?! a. clutch failure b. res out of balance c. output sha nut improperly torqued d. failed synchronizer
d. failed synchronizer
- A driver complains that the vehicle jumps out of gear when driven over a bumpy road surface. Technician A says that the problem could be worn detent notches in the shi rail. Technician B says that the problem could be worn gear clutch teeth. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B
a. Technician A only
- Which of the following would most likely result in hard shi ing?! a. sliding clutch gears worn to a taper b. lack of lubricant in remote shi linkage c. weak detent springs d. worn shi fork pads
b. lack of lubricant in remote shi linkage
- Technician A says that lack of lubricaon damage can be caused in a standard transmission when coasng with the clutch depressed. Technician B says that when towing a truck from the front, the axle sha s should be pulled. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B
b. Technician B only
- Which of the following is said by transmission OEMs to cause most transmission bearing failures?! a. lack of lubricaon b. dirt c. improper shi ing d. operaon on rough highways
b. dirt
- When removing a transmission from a truck, Technician A states that it is usually necessary to uncouple the clutch from the flywheel before separang the transmission from the flywheel housing. Technician B says that when a transmission is being removed, it should be held in alignment with the engine to prevent the flywheel pilot bearing from being damaged. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B
c. both A and B
- Technician A says that an advantage of using synthec transmission lubes is that they are compable with all other gear lubes. Technician B says that high gear lube level in a standard transmission can cause aeraon and result in lubricaon failures. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B
d. neither A nor B
- Which of the following transmission components are splined to the main sha in a standard, twin countersha transmission?! a. first speed gear b. sliding clutch c. countersha gears d. idler gear
b. sliding clutch
c. the turbine d. the flexplate
c. the turbine
- Which of the torque converter components is responsible for torque mulplicaon?! a. the pump/impeller b. the stator c. the turbine d. the lockup clutch
b. the stator
- What medium is used to transfer energy through a torque converter when it is not in lockup mode?! a. engine oil b. transmission fluid c. fricon discs d. brake fluid
b. transmission fluid
- Where is the stator located in a torque converter assembly?! a. between the flexplate and pump/impeller housing b. between the pump/impeller and turbine c. between the turbine and the first clutch of the transmission d. on the cranksha
b. between the pump/impeller and turbine
- When is rotary fluid flow at a maximum during torque converter operaon?! a. at full stall b. at inial pickup c. at coupling phase d. at torque mulplicaon phase
c. at coupling phase
- In a torque converter, which type of fluid flow has the effect of mulplying torque?! a. rotary flow b. vortex flow c. primary flow d. secondary flow
b. vortex flow
- In which of the following phases would the drive efficiency of a torque converter be at 100 percent?! a. coupling phase b. torque mulplicaon c. secondary phase d. lockup
d. lockup
- What is the funcon of split guide rings in a torque converter?! a. to reduce turbulence b. to maximize turbulence c. to cool transmission fluid d. to mulply torque
a. to reduce turbulence
- In order for torque mulplicaon to take place in a torque converter, which of the following should be true?! a. The pump/impeller must turn faster than the turbine. b. The turbine must turn faster than the pump/ impeller. c. The stator must freewheel. d. The lockup clutch must be engaged.
a. The pump/impeller must turn faster than the turbine.
- Which of the following is true during the torque converter coupling phase?! a. Turbine speed exactly equals impeller speed. b. Turbine speed is just slightly slower than impeller speed c. Impeller speed is slightly slower than turbine speed. d. Torque mulplicaon is at maximum.
b. Turbine speed is just slightly slower than impeller speed
- At torque converter coupling phase?! a. vortex flow is at a minimum b. rotary flow is at a minimum c. the lockup clutch disengages d. slippage rao is at a maximum
a. vortex flow is at a minimum
- What is the funcon of mulple-disc clutches in a truck hydromechanical automac transmission?! a. to hold components staonary b. to lock components together to transfer torque c. to open and close hydraulic valves d. both a and b
c. to open and close hydraulic valves
- In a close rao transmission, all powerflows must pass through the __________ before reaching the output sha . a. front planetary gearset b. rear planetary gearset c. low planetary gearset d. center sun gear sha
c. low planetary gearset
- What assists governor pressure in moving any shi signal sha s during an upshi ?! a. the priority valve b. the modulator valve c. the trimmer valve d. the inhibitor valve
b. the modulator valve
- What component helps avoid shi shock by reducing pressure to the clutch apply circuits during inial applicaon and then gradually increasing the pressure?! a. the priority valve b. the modulator valve c. the trimmer valve d. the inhibitor valve
c. the trimmer valve
- Which type of hydraulic retarder is located between the torque converter and the transmission gearing?! a. an input retarder b. an output retarder c. a torque retarder d. none of the above
a. an input retarder
- Which type of hydraulic retarder applies a fricon clutch while the unit is charging with hydraulic fluid?! a. an input retarder b. an output retarder c. a torque retarder d. all of the above
b. an output retarder
- Which of the following does the most to determine the posion of the governor valve?! a. input sha speed b. output speed c. main pressure d. accelerator posion
b. output speed
- Which of the following does most to determine modulator pressure?! a. engine speed b. torque converter turbine speed c. range shi posion d. accelerator pedal posion
d. accelerator pedal posion
- Which of the following devices has an operang principle similar to that of a hydraulic retarder?! a. a torque converter b. a planetary gearset c. a hydraulic clutch d. an S-cam brake
a. a torque converter
- How many planetary gearsets are used in an Allison five-speed automac transmission?! a. 2 b. 3 c. 4 d. 5
c. 4
c. between 120°F and 160°F (49°C and 70°C) d. between 160°F and 200°F (70°C and 93°C)
b. between 60°F and 120°F (70°C and 49°C)
- When the transmission input speed is increased, which of the following should happen to the oil level in the sump?! a. The oil level lowers. b. The oil level rises. c. There is no effect on the oil level. d. The oil aerates.
a. The oil level lowers.
- What effect will an increase in oil temperature have on the transmission oil level?! a. to lower the oil level b. to raise the oil level c. no effect d. to aerate the oil
b. to raise the oil level
- The _________ is located on top of the transmission and its funcon is to prevent pressure buildup within the transmission housing. a. auxiliary filter b. governor c. breather d. release valve
c. breather
- Technician A suggests that it is good pracce to install an auxiliary filter a er a transmission failure that resulted in debris being introduced into the hydraulic circuit. Technician B changes the auxiliary filter every 5,000 miles. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B
a. Technician A only
- What procedure should be used to idenfy whether the engine or transmission is at fault a er a drivetrain complaint in a chassis equipped with an automac transmission?! a. a stall test b. shi point adjustment c. an oil analysis d. all of the above
a. a stall test
- An automac transmission upshi s prematurely. Technician A says that the mechanical modulator might have to be adjusted. Technician B says that the shi valve might have to be adjusted. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A or B
c. both A and B
- If the engine stall speed is more than 150 rpm above the stall speed specified by the engine manufacturer, which of the following is more likely?! a. an internal transmission problem b. an engine problem c. a torque converter problem d. a drive axle carrier problem
a. an internal transmission problem
- A stall speed test meets specificaon on a transmission with an oil overheat problem. Which of the following is a more likely cause?! a. an engine problem b. a stuck torque converter stator c. a freewheeling torque converter stator d. either a or c
b. a stuck torque converter stator
- A stall speed that tests 35 percent below the OEM engine specificaon would most likely indicate?! a. an engine problem
