PAE Final Exam(4): Mechanical Systems Quiz

What is the main function of mechanical systems?

• Increasing manual labor

• Storing electrical energy

• Converting energy into useful work

• Reducing automation

Which design principle focuses on reducing potential failure points?

• Efficiency

• Simplicity

• Scalability

• Reliability

Class 2 levers place the load between:

• The fulcrum and effort

• The user and the tool

• The handle and wheels

• The load and distance

What mechanical advantage does a block and tackle system with 4 rope segments provide?

• 2

• 3

• 4

• 5

Inclined planes reduce effort by:

• Increasing the height of the slope

• Distributing force over a longer distance

• Decreasing the length of the slope

• Requiring more mechanical input

Screws are examples of which simple machine?

• Lever

• Pulley

• Inclined plane

• Wheel and axle

Which of the following is an example of an inclined plane?

• Levers

• Inclined planes

• Pulleys

• Wedges

Compound machines combine two or more:

• Electrical systems

• Simple mechanical systems

• Chemical reactions

• Complex algorithms

Which system uses pulleys to achieve mechanical advantage?

• Electric drill

• Block and tackle

• Crowbar

• Screw jack

In which industry is a wheel and axle system commonly used?

• Farming

• Automotive

• Pharmaceuticals

• Textile