Ch8 - Quiz 1 - Mechanical Advantage

What is the primary focus of mechanical engineering?

• Designing and building software applications

• Designing, building, and maintenance of mechanical and fluid systems

• Designing and building electrical systems

• Designing and building chemical processing plants

How many mechanical engineers are estimated to be working in the United States?

• Less than one hundred thousand

• Over one quarter of a million

• Over one million

• Over half a million

What is an example of a mechanical invention from over 2000 years ago?

• Hydraulic pump

• Internal combustion engine

• Archimedes' screw pump

• Steam engine

What is the rate at which work is performed or energy is transmitted called?

• Energy

• Power

• Work

• Force

What is the ability to do work called?

• Force

• Work

• Power

• Energy

Which type of motion is movement in a straight line?

• Linear Motion

• Rotary Motion

• Reciprocating Motion

• Friction

What is the mechanical advantage gained by using an inclined plane?

• Increasing the distance

• Decreasing the distance

• Increasing the force

• Decreasing the force

What is a screw adapted from to provide its mechanical advantage?

• Pulley

• Inclined plane

• Lever

• Wedge

What is a combination of two inclined planes called?

• Lever

• Screw

• Wedge

• Pulley

What do compound machines use to transfer power?

• Software applications

• Simple machines

• Electrical systems

• Chemical processing plants