Driveline Components: Master the Power Transmission System

Question 1

Which of these components is NOT part of a vehicle's driveline system?

Accepted Answer

Alternator

Answer

Driveshaft

Answer

Differential

Answer

Axles

Question 2

Which driveline component allows wheels to spin at varying speeds during turns?

Accepted Answer

Differential

Answer

Driveshaft

Answer

Axle

Answer

Transmission

Question 3

What is the main job of a driveshaft in a car?

Accepted Answer

Connecting the transmission to the differential to send power.

Answer

Soaking up engine vibrations before they reach the wheels.

Answer

Supporting the vehicle's suspension system.

Question 4

The primary function of a driveshaft is to:

Accepted Answer

Transmit power from the transmission to the differential

Answer

Support the vehicle

Answer

Control the speed of the wheels

Answer

Change the direction of power flow

Question 5

The purpose of a universal joint is to:

Accepted Answer

Allow for angular misalignment between two shafts

Answer

Reduce vibrations in the driveline

Answer

Provide a flexible connection between components

Answer

Increase the speed of the driveshaft

Question 6

What is the key difference between an open differential and a locking differential?

Accepted Answer

Ability to allow wheels to rotate independently or lock them together

Answer

Cost

Answer

Application in vehicle types

Answer

Strength

Question 7

A benefit of using a limited slip differential is:

Accepted Answer

Improved traction on slippery surfaces

Answer

Reduced tire wear

Answer

Increased fuel efficiency

Answer

Lower repair costs

Question 8

What component allows for changes in driveshaft length as the suspension moves?

Accepted Answer

Driveshaft slip yoke

Answer

Universal joint

Answer

Differential

Answer

Transmission

Question 9

When working with driveline components, which potential hazard should you be aware of?

Accepted Answer

Rotating shafts and hot surfaces

Answer

Chemical spills

Answer

Electrical shock

Answer

Noise pollution

Question 10

Which driveline component transmits power from the transmission to the wheels?

Accepted Answer

Driveshaft

Answer

Clutch

Answer

Differential

Answer

Axle

Question 11

What is the primary function of a differential in a driveline?

Accepted Answer

To allow wheels on each side of the axle to rotate at different speeds

Answer

To increase the torque output of the transmission

Answer

To transmit power from the transmission to the driveshaft

Question 12

Rear-wheel drive vehicles generally use which type of axle?

Accepted Answer

Solid axle

Answer

Independent axle

Answer

Portal axle

Answer

Beam axle

Question 13

What is the main advantage of using carbon fiber for driveshafts instead of steel?

Accepted Answer

Reduced weight and enhanced strength

Answer

Lower cost

Answer

Improved durability

Question 14

What is the purpose of a universal joint within a driveline?

Accepted Answer

To accommodate changes in the angle of the driveshaft

Answer

To transmit power from the transmission to the differential

Answer

To increase the torque output of the transmission

Question 15

Which driveline component transmits power from the differential to the wheels?

Accepted Answer

Axle

Answer

Differential

Answer

Clutch

Answer

Driveshaft

Question 16

What primary benefit does an independent axle offer over a solid axle?

Accepted Answer

Reduced unsprung weight and enhanced handling

Answer

Lower cost

Answer

Increased durability

Answer

Simplified maintenance

Question 17

Which material is commonly used for driveshafts due to its strength and durability?

Accepted Answer

Steel

Answer

Rubber

Answer

Aluminum

Answer

Carbon fiber

Question 18

What is the primary purpose of a constant velocity joint?

Accepted Answer

To enable smooth power transfer even when the shaft is angled

Answer

To increase the torque output of the transmission

Answer

To transmit power from the transmission to the differential

Question 19

Which of the following is NOT a crucial component of the driveline?

Accepted Answer

Engine

Answer

Axle

Answer

Driveshaft

Answer

Differential

Question 20

What is the primary purpose of a driveshaft?

Accepted Answer

To transmit power from the transmission to the differential.

Answer

To limit friction between the wheels and the road surface.

Answer

To allow wheels to move independently.

Question 21

Where in the driveline is the differential typically located?

Accepted Answer

Between the driveshaft and the axles.

Answer

Beneath the engine.

Answer

Directly on the wheels.

Answer

Inside the transmission's housing.

Question 22

What is the main role of an axle in the driveline?

Accepted Answer

To establish a connection between the differential and the wheels.

Answer

To serve as an energy reservoir for acceleration.

Answer

To minimize vibrations originating from the engine.

Answer

To act as a pivotal point for the wheels.

Question 23

What is the main function of a CV joint?

Accepted Answer

To enable the driveshaft to articulate and change angles.

Answer

To reduce wear on the differential.

Answer

To enhance the ride quality.

Answer

To prevent wheel lock-ups.

Question 24

Which type of axle is commonly utilized in front-wheel-drive vehicles?

Accepted Answer

Independent axle

Answer

Beam axle

Answer

Solid axle

Answer

Portal axle

Question 25

What is the primary purpose of a propshaft?

Accepted Answer

To transmit power from the transmission to the rear axle.

Answer

To serve as a pivotal point for the wheels.

Answer

To reduce vibrations originating from the engine.

Question 26

Which of the following is a common issue that can affect the driveline?

Accepted Answer

Driveline vibrations

Answer

Engine overheating

Answer

Brake failure

Answer

Transmission slippage

Question 27

What is the predominant cause of driveline vibrations?

Accepted Answer

An unbalanced driveshaft

Answer

Loose differential mountings

Answer

Bent axle

Answer

Worn CV joints

Question 28

What is the main job of the driveshaft in a car?

Accepted Answer

It carries power from the transmission to the rear axle.

Answer

It steers the car.

Answer

It controls the car's speed.

Question 29

What kind of joint connects the driveshaft to the transmission and the rear axle?

Accepted Answer

Universal joint

Answer

Ball joint

Answer

Spherical joint

Answer

Hinge joint

Question 30

What does the differential do in a vehicle?

Accepted Answer

It lets the wheels on the same axle turn at different speeds.

Answer

It helps the wheels stop.

Answer

It makes the engine more powerful.

Question 31

Which type of differential is most common in passenger cars?

Accepted Answer

Open differential

Answer

Posi-traction differential

Answer

Locking differential

Answer

Limited-slip differential

Question 32

What is the purpose of the axles in a car?

Accepted Answer

They connect the wheels to the differential.

Answer

They help the wheels stop.

Answer

They control how fast the car goes.

Answer

They send power from the engine to the transmission.

Question 33

Which type of axle is usually found in rear-wheel drive cars?

Accepted Answer

Live axle

Answer

Half-shaft axle

Answer

Independent axle

Answer

Drive shaft axle

Question 34

What does the CV joint do in a front-wheel drive car?

Accepted Answer

It lets the driveshaft send power while the wheels are turning.

Answer

It controls how fast the car goes.

Answer

It helps the wheels stop.

Question 35

Which of these is NOT a common part of a driveshaft?

Accepted Answer

Brake calipers

Answer

Center support bearing

Answer

Universal joints

Answer

Yoke

Question 36

What is the main job of the propeller shaft in a car?

Accepted Answer

It sends power to the rear axle in a rear-wheel drive car.

Answer

It helps the wheels stop.

Answer

It connects the wheels to the differential.

Question 37

Why is a U-joint used in a driveshaft?

Accepted Answer

It lets the driveshaft send power even when the car is turning.

Answer

It connects the driveshaft to the transmission.

Answer

It helps the wheels stop.

Question 38

Which of the following is NOT a function of a driveshaft?

Accepted Answer

To provide support to the vehicle

Answer

To allow for changes in wheel speed

Answer

To reduce vibrations

Answer

To transmit power from the transmission to the differential

Question 39

What type of differential is commonly used in front-wheel drive vehicles?

Accepted Answer

Open differential

Answer

Locked differential

Answer

Limited-slip differential

Answer

Torque-sensing differential

Question 40

Which component connects the differential to the wheels?

Accepted Answer

Axle

Answer

Transmission

Answer

Universal joint

Answer

Driveshaft

Question 41

What is the purpose of a universal joint in a driveline?

Accepted Answer

To allow for changes in the angle between two shafts

Answer

To transmit torque

Answer

To reduce friction

Question 42

Which of the following is NOT a symptom of a worn-out driveshaft?

Accepted Answer

Improved fuel efficiency

Answer

Vibrations

Answer

Noise

Question 43

What is the primary purpose of a differential?

Accepted Answer

To allow wheels to rotate at different speeds while transmitting power

Answer

To reduce friction in the driveline

Answer

To increase torque to the wheels

Question 44

Which of the following is a type of rear-axle configuration?

Accepted Answer

Solid axle

Answer

Independent suspension

Answer

McPherson strut

Answer

Double wishbone

Question 45

What is the purpose of a limited-slip differential?

Accepted Answer

To provide traction in low-traction situations

Answer

To increase fuel efficiency

Answer

To improve handling

Answer

To reduce noise

Question 46

Which component is responsible for transmitting power from the driveshaft to the differential?

Accepted Answer

Yoke

Answer

Carrier

Answer

Ring gear

Answer

Pinion

Question 47

What is the difference between a constant-velocity (CV) joint and a universal joint?

Accepted Answer

A CV joint allows for constant angular velocity, while a universal joint does not.

Answer

A CV joint is used in front-wheel drive vehicles, while a universal joint is used in rear-wheel drive vehicles.

Answer

A universal joint is more durable than a CV joint.

Question 48

Which driveline component is responsible for allowing the wheels to turn at different speeds during cornering?

Accepted Answer

Differential

Answer

Axle

Answer

Driveshaft

Answer

Transmission

Question 49

What type of joint is typically used to connect the driveshaft to the differential?

Accepted Answer

Universal joint (U-joint)

Answer

Ball joint

Answer

Spherical joint

Answer

Constant velocity (CV) joint

Question 50

A driveshaft with a constant velocity (CV) joint at both ends is typically found in which type of vehicle?

Accepted Answer

Front-wheel drive

Answer

Rear-wheel drive

Answer

Four-wheel drive

Answer

All-wheel drive

Question 51

What is the primary function of the axles in a driveline?

Accepted Answer

To transmit power from the differential to the wheels.

Answer

To steer the wheels.

Answer

To support the weight of the vehicle.

Question 52

Which type of differential allows power to be sent to only one wheel during a turn?

Accepted Answer

Limited-slip differential

Answer

Torsen differential

Answer

Posi-traction differential

Answer

Open differential

Question 53

What is the purpose of the slip yoke in a driveshaft?

Accepted Answer

To accommodate changes in driveshaft length during suspension movement.

Answer

To support the weight of the driveshaft.

Answer

To provide a constant velocity joint.

Question 54

A vehicle with a rear-wheel drive drivetrain will typically have the driveshaft connected to which component?

Accepted Answer

Rear axle

Answer

Transmission

Answer

Front axle

Question 55

Which type of axle is typically used in a front-wheel drive vehicle?

Accepted Answer

Half-shaft

Answer

Solid axle

Answer

Independent axle

Answer

Live axle

Question 56

A driveshaft with a constant velocity (CV) joint at both ends is typically found in which type of vehicle?

Accepted Answer

Front-wheel drive

Answer

Four-wheel drive

Answer

Rear-wheel drive

Answer

All-wheel drive

Question 57

You are inspecting a driveshaft and notice excessive play in the U-joint. What is the most likely cause of this problem?

Accepted Answer

Worn U-joint bearings

Answer

Broken driveshaft

Answer

Damaged differential

Answer

Loose transmission mount