Front

What is a universal joint?

Back

A universal joint is a mechanical device that allows for the transmission of rotary motion between two shafts that are not in line with each other, enabling movement around obstructions in tight spaces.

Front

What is the purpose of a lubricator in an air system?

Back

The purpose of a lubricator in an air system is to lubricate pneumatic tools and prevent wear, ensuring smooth operation and longevity of the tools.

Front

What types of energy do power tools run on?

Back

Power tools run on electrical, pneumatic, or hydraulic energy.

Front

What are rib joint pliers used for?

Back

Rib joint pliers are designed to grip large, irregularly shaped objects, providing a strong hold for various tasks.

Front

What are the three principles that apply to the operation of a hydraulic brake system?

Back

The three principles are Pascal's Law, incompressibility of fluids, and mechanical advantage. These principles explain how pressure is applied equally in all directions in a hydraulic system.

Front

Define Pascal's Law.

Back

Pascal's Law states that a change in pressure applied to an enclosed fluid is transmitted undiminished to all portions of the fluid and the walls of its container.

Front

What is the function of a flexible coupling?

Back

A flexible coupling connects two shafts while allowing for misalignment and movement, reducing stress on the connected components.

Front

What is the role of pneumatic tools in an automotive shop?

Back

Pneumatic tools use compressed air to operate, providing high power and efficiency for tasks such as drilling, grinding, and impact wrenching.

Front

Explain the concept of mechanical advantage in hydraulic systems.

Back

Mechanical advantage in hydraulic systems refers to the ability to amplify force through the use of incompressible fluids, allowing a small input force to produce a larger output force.

Front

What is the significance of friction in power tools?

Back

Friction is the resistance that occurs when two surfaces interact, which can lead to wear and heat generation in power tools, affecting their performance and lifespan.