AUT 141 Midterm - Manual Transmissions/Transaxles

_____ vehicles combine features of both rear- and front-wheel drive systems so power can be delivered to all wheels all the time or when the conditions or driver selects two- or four-wheel drive.

$-AWD or FWD -FWD or RWD -Hybrid -All-terrain

_____ synchronizers consist of a hub (called a clutch hub), sleeve, blocking ring, and inserts or spring-and-ball detent devices.

$-Block -Disc and plate -Plain -Pin

_____ force tends to pull the object toward the center of the circle, whereas _____ force tends to push the object away from the center.

$-Centripetal; centrifugal -Centrifugal; centripetal -Centripetal; gravitational -Centrifugal; balanced

_____ are a necessary part of transmission and driveline service.

$-Service manuals -Lifting tools -Jack stands -Power tools

_____ are versatile measuring tools used for a direct reading of inside and outside diameters and depth.

$-Sliding calipers -Straight edges -Micrometers -Dial indicators

What is the most common type of synchronizer?

$-block -disc and plate -plain -pin

A _____ assembly is used to connect and disconnect the engine from the transmission.

$-clutch -gear -bearing -flywheel

Which component is the driven member of the clutch assembly?

$-clutch disc -flywheel -pressure plate assembly -release yoke

A _____ is a unit which replaces the conventional release fork, pivot ball, linkage, and throw-out bearing.

$-concentric slave cylinder -pressure plate -slave cylinder -master cylinder

The spring used in most pressure plates is a single _____.

$-diaphragm spring -coil spring -fulcrum ring -semicentrifugal spring

What type of calipers are easy to read and typically can be switched for SAE or metric measurement?

$-digital calipers -dial calipers -vernier calipers -portable calipers

When the clutch is engaged, spring force clamps the friction disk between the pressure plate and the _____.

$-flywheel -differential -reaction plate -clutch pedal

The _____ acts as a balancer for the engine and it smooths out, or dampens, engine torsional vibrations caused by firing pulses.

$-flywheel -flexplate -clutch disc -clutch shaft

Synchronizing devices are normally used when shifting into _____.

$-forward gears -reverse -all gears -neutral

The two separate shafts in a transaxle are called _____ shafts.

$-input and output -horizontal and vertical -forward and reverse -synchromesh

Professional work ethics in an automotive shop include following proper procedures, being neat in your appearance, following basic safety rules, and _____.

$-keeping your work area clean -working as fast as you can -doing what you think is best -leaving tools laid out to save time for other coworkers

Synchronizing devices in the transmission synchronize gears that are about to be _____.

$-locked -unlocked -stopped -started

A _____ transmission is found in vehicles which have a transaxle mounted directly to the rear differential and use a shift shaft located at the front of the transmission.

$-remote -zeroshift -self-shifting -automatic

A _____ transmission uses two or more shafts mounted in parallel, with sliding spur gears arranged to mesh with each other to provide a change in speed or direction.

$-sliding gear -collar shift -constant mesh -synchromesh

In the diaphragm-spring clutch, forward movement of the throw-out bearing causes the diaphragm spring to _____.

$-straighten -expand -contract -engage the disc

Which character of a vehicle's VIN represents the country of origin (manufacture)?

$-the first -the third -the eighth -the tenth

What tool displays the amount of torque exerted on a bolt when pressure is applied to the tool's handle?

$-torque wrench -hand ratchet -end wrench -air impact gun

The effect on torque on a properly tightened bolt is that it will be "spring loaded" or _____.

$-torqued to stretch slightly -at its elastic limit -have stripped threads -preloaded

Which substance should be used to flush battery acid, fuel, or solvents which get into your eyes?

$-water -milk -baking soda -baking powder

One hundred pounds of force applied to a 24 inch torque wrench would provide how much torque?

-240 ft.lbs -2400 ft.lbs $-200 ft.lbs -240 inch pounds

To determine the circumference of a tire, a technician needs to multiply the tire diameter by _____.

-3.281 $-3.14 -2.2 -the tire's thickness

_____ in a transmission that must be meshed to obtain reverse gear; it is used only in reverse, and does not transmit power when the transmission is in any other position?

-Counter gear $-Reverse idler gear -Reverse drive gear -First gear

_____ is the trade name for a new gear change system from the United Kingdom that replaces normal synchronizers to provide a change in gear ratios without interrupting the flow of engine torque to the wheels.

-Disc and plate $-Zeroshift -Self-shifting -Overdrive

Which government agency controls all safety and health issues of the automotive industry?

-EPA -Department of Health and Human Services -OSHA -Department of Transportation

_____ tools are typically used by technicians because they have more torque, weigh less, and require less maintenance.

-Electric -Battery-operated $-Pneumatic -Gasoline-driven

A typical machinist's rule is based on the _____ system of measurement and has scales based on 1/8-, 1/16-, 1/32-, and 1/64-inch intervals.

-New World -metric $-Imperial -German

_____ are one of the most commonly used types of fasteners, and include bolts, nuts, screws, and similar items that allow a technician to install or remove parts easily.

-Studs $-Threaded fasteners -Bearings -Fillets

_____ should be immediately informed of all accidents that occur in the shop.

-The EPA $-Your supervisor -OSHA -The manufacturer

A one-inch gear is meshed with and driving a two-inch gear. Which statement is correct?

-The driven gear will travel less distance. $-The driven gear will turn with more force. -The driven gear will turn with less force. -The amount of work will increase.

_____ are provided by manufacturers and suppliers in order to provide detail of the chemical composition and precautionary information for all products that can present health or safety hazards.

-Warning labels -Hazardous wastes disclosures $-Material Safety Data Sheets -Repair manuals

What pin moves out of its notch and prevents the other shift rails from moving so that the transmission cannot be in two gears at once?

-clutch $-interlock -detent -zeroshift

The _____ assembly precisely locates the rail and shift fork and provides feel to the driver that a shift has been made.

-clutch -interlock $-detent -zeroshift

The primary purpose of a _____disc is to absorb power impulses from the engine that would otherwise be transmitted directly to the transmission.

-clutch -rigid $-flexible -friction

The _____ is a Y-shaped member into which the release bearing is attached.

-clutch linkage -pressure plate $-clutch fork -hub

What are the main components of the drive train?

-clutch, transmission, differential, and engine -clutch, transmission, differential, and torque converter $-clutch, transmission, differential, and drive axles -clutch, transmission, differential, and gear system

A(n) _____ is an atom or molecule which has lost or gained one or more electrons.

-element -oxide $-ion -neutron

Which is the correct cycle for a modern four-stroke cycle engine?

-exhaust, intake, combustion, compression $-combustion, exhaust, intake, compression -compression, exhaust, intake, combustion -intake, combustion, exhaust, compression

The clutch cover is bolted to the _____.

-friction disk $-flywheel -car frame -engine block

When tightening bolts, Newton-meters and foot-pounds are measures of _____.

-horsepower -effort -power $-torque

How often should hazardous materials training be given?

-monthly -quarterly -annually -only for new hires

Vehicles with automatic transmissions have _____ instead of flywheels.

-pilot bearings $-flexplates -clutch discs -clutch shafts

In the semicentrifugal clutch, the force of the pressure plate against the friction disk increases with vehicle speed because of weights located on the _____.

-pressure plate -flywheel $-release levers -clutch shaft

A _____ transmission has parallel shafts fitted with gears in constant mesh.

-sliding gear $-collar shift -constant mesh -synchromesh

A _____ transmission is a constant mesh, collar shift transmission with synchronizers that equalize the speed of the shaft and gear before they are engaged.

-sliding gear -collar shift -constant mesh $-synchromesh

The release levers in the typical coil spring type clutch pivot on the _____ and release lever yokes to move the pressure plate through its engagement and disengagement operations.

-springs -levers -threaded bolts $-pedestals

When a gasoline container is opened, the fumes will _____.

-stay in the container $-spill over the neck and go to the floor -rise into the atmosphere -liquefy

What fasteners prevent rotary motion between two parts, such as a pulley and shaft?

-studs $-setscrews -bearings -bolts

Safety in an automotive repair shop is the responsibility of the employer and _____.

-the EPA -the customers -local regulatory agencies $-employees

A voluntary certification program for automotive, heavy-duty truck, auto body repair, and engine machine shop technicians is offered by _____.

-the automotive manufacturers association $-the NIASE -local OSHA Consultation Offices -the federal government

Torque is a measurement of _____.

-the rate power is produced -engine efficiency -the amount of work performed $-rotating or turning effort

The twisting force used to turn a fastener against the friction between the threads and between the head of the fastener and the surface of the component is called _____.

-twist -rotation -power $-torque

A caustic material is defined as being _____.

-volatile -thick $-corrosive -pathogenic

Technician A says fatigue breaks are the most common type of bolt failure. Technician B says overtightening the bolt causes a fatigue break. Who is more correct?

A Only

Technician A says universal joints allow the drive shaft to change angles in response to rear axle movements. Technician B says universal joints keep the drive shaft length constant as the drive shaft changes angles. Who is correct?

A Only

Technician A says the third prong on a 110-volt electrical plug is for a safety ground. Technician B says the third prong on a 110-volt electrical plug can be removed before use. Who is correct?

A only

When discussing clutch problems, Technician A says that a stretched clutch cable could cause gear clash when shifting. Technician B says that a leaking slave cylinder could cause premature release bearing wear. Who is correct?

A only

When discussing common causes of problems with clutch systems with adjustable linkage, Technician A says that often problems can be corrected by properly adjusting the clutch linkage. Technician B says that excessive clutch pedal free travel can indicate an excessively worn clutch disc. Who is correct?

A only

When discussing overdrive gears, Technician A says that the typical ratio is 0.70 to 0.90:1. Technician B says that the typical ratio is 1.0:1. Who is correct?

A only

When discussing the possible causes of clutch chatter, Technician A says that clutch chatter can be caused by a clutch disc that has been saturated with oil. Technician B says that a flywheel that has insufficient lateral runout can cause clutch chatter. Who is correct?

A only

When reviewing the procedure for adjusting a clutch pedal, Technician A says that 1 inch of pedal free travel is normal on most vehicles. Technician B says that the clutch master cylinder pushrod should be adjusted for constant light pressure on the piston. Who is correct?

A only

A bearing-type noise is heard immediately when the clutch pedal is depressed. As the pedal is pushed to the floor, the noise remains about the same. When the clutch pedal is released, the noise disappears. Technician A says that the clutch pilot transmission input bearing could be at fault. Technician B says that the clutch release bearing could be at fault. Who is correct?

B Only

Final drive ratio is being discussed. Technician A says a transmission gear ratio of 3.63 and a final drive axle ratio of 3.52, the overall gear ratio is 7.11. Technician B says the overall gear ratio is 12.78. Who is correct?

B Only

A clutch master cylinder is being replaced. Technician A says that this procedure does not require any adjustments. Technician B says that failure to bleed the hydraulic system properly can result in excessive clutch pedal free play. Who is correct?

B only

When discussing ways to determine if a pilot bushing bearing is faulty, Technician A says that a faulty pilot bearing will squeal constantly when the engine is running. Technician B says that a careful inspection of the transmission input shaft can determine the condition of the pilot bushing bearing. Who is correct?

B only

When discussing worn clutch components, Technician A says that normal clutch wear will result in a decrease in clutch pedal free play on a vehicle equipped with linkage-type actuation. Technician B says that a worn release bearing fork pivot will result in excessive clutch pedal free play on linkage-type clutch systems. Who is correct?

B only

While discussing the ways to eliminate the problems caused by removing too much material from a flywheel while it was resurfaced, Technician A says the flywheel should be replaced so that a longer release bearing can be installed. Technician B says the problems may be corrected by installing a precision shim between the flywheel and the crankshaft. Who is correct?

B only

A clutch replacement has just been performed on a vehicle. The transmission shifts perfectly when the engine is turned off. However, when the engine is started, severe gear clashing occurs whenever shifting into reverse gear is attempted. Shifting into the forward ranges is very difficult. Technician A says that there may be excessive clutch pedal free-play. Technician B says that there may be air in the clutch hydraulic system. Who is correct?

Both A and B

A customer says that occasionally when he is at a stoplight with the transmission in first gear and the clutch pedal depressed the vehicle will begin to move by itself. Technician A says that there may be insufficient clutch pedal free-play. Technician B says that the clutch master cylinder may be leaking internally. Who is correct?

Both A and B

Technician A says a self-adjusting clutch control cable may adjust itself when the pedal is depressed. Technician B says self adjusting cable-type clutches have constant-running release bearings. Who is correct?

Both A and B

Technician A says blocking rings are often made of brass or bronze because of the high heat produced by friction. Technician B says some synchronizer rings can contain powdered metal, Kevlar, and organic frictional materials. Who is correct?

Both A and B

Technician A says most current vehicles with cable clutch linkages are self-adjusting. Technician B says some current vehicles with cable clutch linkages have a manual adjusting system. Who is correct?

Both A and B

Technician A says some vehicles have the transmission remotely mounted from the differential. Technician B says the transaxle includes the transmission and final drive. Who is correct?

Both A and B

Technician A says torsional springs allow the clutch disc and hub to twist slightly. Technician B says torsional springs cushion the sudden load on the disc when it is quickly engaged. Who is correct?

Both A and B

When discussing self-adjusting clutch cables, Technician A says that a toothed wheel and a pawl are used to adjust the cable for clutch disc wear. Technician B says that the self-adjusting unit maintains the desired amount of free-play. Who is correct?

Both A and B

When discussing the causes of rapid clutch disc wear, Technician A says that driving habits influence how long a clutch assembly will last. Technician B says that insufficient pedal free travel will cause the disc to wear rapidly. Who is correct?

Both A and B

When discussing the operation of a synchronizer, Technician A says that the synchronizer inserts force the blocking ring against the conical face of the gear, which slows the speed of the gear and allows for engagement. Technician B says that by matching the speed of the blocking ring and the gear, the synchronizer sleeve is able to engage with the gear dog teeth. Who is correct?

Both A and B

When discussing the operation of a vehicle with a dual-mass flywheel, Technician A says that the flywheel should be checked for excessive rotation between the primary and secondary plates. Technician B says that replacing the dual-mass flywheel with a single-mass unit might result in neutral-rollover gear rattle. Who is correct?

Both A and B

When discussing the possible causes for damage to the surface of a pressure plate, Technician A says that a worn clutch disc can score the surface. Technician B says that insufficient pedal free travel or riding the clutch can cause it to overheat. Who is correct?

Both A and B

When installing a pressure plate, Technician A says that pressure plate bolts are tightened one at a time in a circular pattern. Technician B says that the dowel pins locate the pressure plate to ensure that proper balance of the clutch assembly is maintained. Who is correct?

Both A and B

While discussing power-flow through the forward gears of a typical transaxle, Technician A says the main speed gears freewheel around the output shaft unless they are locked to the shaft by the synchronizers. Technician B says the main speed gears are in constant mesh with their mating gears on the input shaft and rotate whenever the input shaft rotates. Who is correct?

Both A and B

While discussing reverse gear, Technician A says if the transmission has a synchronized reverse gear, the reverse synchronizer sleeve moves to engage with reverse gear. Power comes in through the input shaft, into the counter gear, through the reverse idler gear, and into the reverse gear on the main shaft. The reverse gear rotates the synchronizer sleeve, which rotates the hub and main shaft in a reverse direction. Technician B says if reverse is a nonsynchronized gear, a reverse-gear shift relay lever slides the reverse idler gear into contact with the countershaft reverse gear and the reverse gear on the output shaft. The reverse idler gear causes the reverse output shaft gear to rotate counterclockwise. Who is correct?

Both A and B

_____ fires are those in which wood, paper, and other ordinary materials are burning.

Class A

_____ fires are those involving flammable liquids, such as gasoline, diesel fuel, paint, grease, oil, and other similar liquids.

Class B

_____ fires are electrical fires.

Class C

_____ fires are a unique type of fire in which the burning material is metal.

Class D

When discussing shift mechanisms, Technician A says that the detent system prevents the engagement of more than one gear at a time. Technician B says that the interlock system places the shift rail and fork in an exact position. Who is correct?

Neither A nor B

When reviewing the procedure for installing a clutch disc, Technician A says that the disc should always be installed with its hub and springs toward the engine. Technician B says that the splines of the disc should be clean, dry, and never oiled or greased. Who is correct?

Neither A nor B

A bell housing is another name for a clutch housing. (TF)

True

Clutch pedal free play travel is necessary to help protect the throwout bearing from unnecessary wear. (TF)

True

Clutch slippage while the clutch is engaged is particularly noticeable during acceleration and shifting. (TF)

True

Dual clutches used in self-shifting manual transmission designs improve shifting quality and driveability. (TF)

True

The clutch assembly is placed between the engine and transmission on nearly all cars and trucks. (TF)

True

The clutch disc is covered with frictional material on both sides. (TF)

True

The clutch shaft extends from the front of the transmission and is splined. (TF)

True

Worn linkage can make precise clutch free play adjustments difficult. (TF)

True