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Clutch and Transmission Systems: Q&A for Engineering Students, Exams of Advanced Education

Louisiana Tech University Advanced Education

A series of questions and answers related to clutch systems and transmissions, focusing on components, functions, maintenance, and troubleshooting. It covers topics such as clutch components, clutch cover assemblies, clutch linkage adjustments, gear ratios, transmission types, and lubrication. The questions are designed to test knowledge of heavy-duty drivetrain systems and related service procedures, making it a valuable resource for students and technicians in the field. Useful for university students, high school students and lifelong learners.

Typology: Exams

2024/2025

Available from 05/14/2025

Smartsolutions 🇺🇸

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C OF Q 310T PREP QUESTIONS AND CORRECT ANSWERS 100%

ACCURATE!!

1. Which of the following clutch components is a driven member?!

a. clutch cover

b. clutch friction disc

c. intermediate plate

d. pressure plate - ANSWER b. clutch friction disc

2. 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 - ANSWER d. adapter ring

3. Which of the following clutch components is splined to the input shaft of the

transmission?!

a. clutch friction disc

b. pressure plate

c. release bearing

d. flywheel - ANSWER a. clutch friction disc

4. What is the function of a current clutch brake used in a heavy-duty drivetrain?!

a. minimize gear clash during a neutral to first gear shift

b. minimize gear clash during downshifts to all ratios

c. minimize gear clash during upshifts to all ratios

Partial preview of the text

Download Clutch and Transmission Systems: Q&A for Engineering Students and more Exams Advanced Education in PDF only on Docsity!

C OF Q 3 10 T PREP QUESTIONS AND CORRECT ANSWERS 1 00 %

ACCURATE!!

Which of the following clutch components is a driven member?! a. clutch cover b. clutch friction disc c. intermediate plate d. pressure plate - ANSWER b. clutch friction 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 - ANSWER d. adapter ring
Which of the following clutch components is splined to the input shaft of the transmission?! a. clutch friction disc b. pressure plate c. release bearing d. flywheel - ANSWER a. clutch friction disc
What is the function of a current clutch brake used in a heavy-duty drivetrain?! a. minimize gear clash during a neutral to first gear shift b. minimize gear clash during downshifts to all ratios c. minimize gear clash during upshifts to all ratios

d. none of the above - ANSWER a. minimize gear clash during a neutral to first gear shift

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. coasting downhill with the transmission in gear and the clutch disengaged d. all of the above - ANSWER 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 - ANSWER d. all of the above
How often should a clutch be inspected and lubricated?! a. every month b. every 6,000 to 10,000 miles c. any time the chassis is lubricated d. all of the above - ANSWER d. all of the above
When adjusting 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

Failure analysis determines that the facing of a clutch disc has burst. Technician A says that the cause is the driver using the clutch as a brake. Technician B says that the problem might be the driver coasting downhill with the transmission in gear and the clutch disengaged. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B - ANSWER b. Technician B only
When installing a 14-inch clutch, Technician A installs new drive pins in the flywheel. Technician B files the drive pin slots to ensure that proper clearances are met. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B - ANSWER a. Technician A only
When regarding the operation 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 - ANSWER c. intermediate plate
When inspecting the mating faces of a clutch bell housing, which of the following can be regarded

as the critical wear area?! a. at the 12 o'clock position b. at the 3 o'clock position c. between 2 o'clock and 10 o'clock counterclockwise d. between 3 o'clock and 8 o'clock clockwise - ANSWER 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 - ANSWER 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 - ANSWER c. both A and B
Technician A says that when the driver releases (disengages) the clutch while coasting downhill, the clutch may overheat. Technician B says that overheating may result when the driver rides the clutch pedal. Who is correct?!

Which of the following gear ratios indicates the most amount of overdrive?! a. 2.15: b. 1: c. 0.85: d. 0.64:1 - ANSWER d. 0.64:
Which type of gear is more likely to develop gear whine at higher speeds?! a. a spur gear b. a helical gear c. a worm gear d. all of the above - ANSWER a. a spur gear
When an idler gear is placed between the driving and driven gear, the driven gear?! a. rotates in the same direction as the driving gear b. rotates in the opposite direction of the driving gear c. remains stationary - ANSWER a. rotates in the same direction as the driving gear
When sliding gearshift mechanisms are used, which gears do they control?! a. high and low gears in the auxiliary section b. first and reverse gears in the main box c. direct and overdrive gears in the auxiliary section d. all of the above - ANSWER d. all of the above
Which type of transmission requires double-clutching between shifts?! a. synchronized b. nonsynchronized - ANSWER b. nonsynchronized

The component used to ensure that the main shaft and the main shaft gear about to be locked to it are rotating at the same speed is known as a?! a. synchronizer b. sliding clutch c. transfer case d. PTO unit - ANSWER a. synchronizer
Which of the following is the most widely used standard transmission geartrain arrangement in heavy-duty trucks?! a. single countershaft b. twin countershaft c. triple countershaft d. double planetary - ANSWER b. twin countershaft
Which of the following is true of a twin-countershaft standard transmission?! a. It divides input torque between two separate shafts. b. It allows the face width of each gear to be reduced. c. It allows the main shaft to float between the countershafts. d. all of the above - ANSWER d. all of the above
In a range shift 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 splitter valve

d. all of the above - ANSWER d. all of the above

Which of the following components in a typical heavy-duty, twin-countershaft transmission could be described as floating?! a. countershafts b. the main shaft c. the input shaft d. the output shaft - ANSWER b. the main shaft
Which of the following OEM-approved lubricants would produce the longest service life in a standard transmission?! a. synthetic E-500 gear lube b. SAE 50 grade heavy-duty engine oil c. multipurpose or EP gear lube d. SAE 50 grade transmission fluid - ANSWER a. synthetic E-500 gear lube
After breaking in a new transmission filled with E-500 synthetic lube on a truck used in a linehaul application, when should the first oil change take place?! a. between 3,000 and 5,000 miles of service b. after 25,000 miles of vocational service c. after 100,000 miles of linehaul service d. after 500,000 miles of linehaul service - ANSWER d. after 500,000 miles of linehaul service
Which of the following would indicate that transmission oil in a truck standard transmission is at the correct level?!

a. Oil is visible through the filler hole. b. Oil is reachable with the first finger joint through the filler hole. c. Oil is level with the filler hole. d. Oil is at the high level on the dipstick. - ANSWER c. Oil is level with the filler hole.

Oil is discovered to be leaking from the rear seal area of a standard transmission. Technician A says that the problem could be a damaged speedometer sleeve O-ring or gasket. Technician B says that the problem could be caused by a cracked bearing cover. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B - ANSWER c. both A and B
Technician A says that a damaged transmission output yoke can be repaired by installing a yoke sleeve kit. Technician B says that a damaged transmission output yoke should always be replaced. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B - ANSWER c. both A and B
Which of the following statements is true?! a. A transmission must be disassembled to replace an input shaft. b. An auxiliary section can be removed and overhauled without removing the transmission from the chassis.

Technician A says that lack of lubrication damage can be caused in a standard transmission when coasting with the clutch depressed. Technician B says that when towing a truck from the front, the axle shafts should be pulled. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B - ANSWER b. Technician B only
Which of the following is said by transmission OEMs to cause most transmission bearing failures?! a. lack of lubrication b. dirt c. improper shifting d. operation on rough highways - ANSWER 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 separating 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 - ANSWER c. both A and B

Technician A says that an advantage of using synthetic transmission lubes is that they are compatible with all other gear lubes. Technician B says that high gear lube level in a standard transmission can cause aeration and result in lubrication failures. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B - ANSWER d. neither A nor B
Which of the following transmission components are splined to the main shaft in a standard, twin countershaft transmission?! a. first speed gear b. sliding clutch c. countershaft gears d. idler gear - ANSWER b. sliding clutch
Technician A says that when disassembling a standard, twin countershaft transmission, the main shaft must be removed before removal of the countershaft bearings. Technician B says that before timing the auxiliary countershafts, the countershaft bearings must be fully seated. Who is correct?! a. Technician A only b. Technician B only c. both A and B d. neither A nor B - ANSWER b. Technician B only
Which one of the following statements is true of a torque converter when comparing it with a standard fluid coupling?!

b. the stator c. the turbine d. the lockup clutch - ANSWER 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. friction discs d. brake fluid - ANSWER 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 crankshaft - ANSWER b. between the pump/impeller and turbine
When is rotary fluid flow at a maximum during torque converter operation?! a. at full stall b. at initial pickup c. at coupling phase d. at torque multiplication phase - ANSWER c. at coupling phase
In a torque converter, which type of fluid flow has the effect of multiplying torque?! a. rotary flow b. vortex flow c. primary flow

d. secondary flow - ANSWER 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 multiplication c. secondary phase d. lockup - ANSWER d. lockup
What is the function of split guide rings in a torque converter?! a. to reduce turbulence b. to maximize turbulence c. to cool transmission fluid d. to multiply torque - ANSWER a. to reduce turbulence
In order for torque multiplication 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. - ANSWER 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 multiplication is at maximum. - ANSWER b. Turbine speed is just slightly slower than impeller speed

When the planetary carrier of a simple planetary gearset is the held member?! a. there is a reverse in rotation direction at the output member b. direct 1?!1 drive occurs c. an overdrive condition results d. an underdrive condition results - ANSWER a. there is a reverse in rotation direction at the output member
What results if a large external tooth gear is meshed with and driving a smaller external tooth gear?! a. Output speed increasesoutput direction is the same as input. b. Output speed decreases output direction is the reverse of input. c. Output speed increases output direction is the reverse of input. d. Output speed decreases output direction is the same as input. - ANSWER c. Output speed increases output direction is the reverse of input.
What is the function of multiple-disc clutches in a truck hydromechanical automatic transmission?! a. to hold components stationary b. to lock components together to transfer torque c. to open and close hydraulic valves d. both a and b - ANSWER c. to open and close hydraulic valves
In a close ratio transmission, all powerflows must pass through the __________ before reaching the output shaft. a. front planetary gearset b. rear planetary gearset c. low planetary gearset

d. center sun gear shaft - ANSWER c. low planetary gearset

What assists governor pressure in moving any shift signal shafts during an upshift?! a. the priority valve b. the modulator valve c. the trimmer valve d. the inhibitor valve - ANSWER b. the modulator valve
What component helps avoid shift shock by reducing pressure to the clutch apply circuits during initial application and then gradually increasing the pressure?! a. the priority valve b. the modulator valve c. the trimmer valve d. the inhibitor valve - ANSWER 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 - ANSWER a. an input retarder
Which type of hydraulic retarder applies a friction 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 - ANSWER b. an output retarder

Clutch and Transmission Systems: Q&A for Engineering Students, Exams of Advanced Education

Related documents

Partial preview of the text

Download Clutch and Transmission Systems: Q&A for Engineering Students and more Exams Advanced Education in PDF only on Docsity!

C OF Q 3 10 T PREP QUESTIONS AND CORRECT ANSWERS 1 00 %

ACCURATE!!