Solving engineering problems

What mathematical technique is often required to be calculated to understand material us, cost, weight, etc.?

• A) Area and volume

• B) Ratios

• C) Scale

• D) Costings

Ohm's Law is commonly used in electronics for calculating the correct resistor to use with an LED or the amount of amps of a circuit. True or False?

• True

• False

Estimates are used for ______ in engineering design.

• cost analysis

• structural integrity

• material selection

• aesthetic design

Ratios are calculated by equations to determine mechanical advantage in gears, levers and pulleys. True or False?

• True

• False

The purpose of linear dimensions in engineering design is to:

• provide a visual representation of the design

• ensure accurate measurements and specifications

• enhance the aesthetic appeal of the design

• reduce the cost of production

Engineers must specify what materials are to be used to produce each component part within their design solution.

• True

• False

List two types of tests that can be conducted to ensure materials are suitable for the task intended.

• Tensile and compression tests

• Color and texture tests

• Weight and volume tests

• Temperature and humidity tests

What are the characteristics of materials that are indicated by tests such as impact testing and tension testing?

• Strength and ductility

• Color and texture

• Weight and density

• Temperature and pressure

Methods for shaping material should focus on:

• Efficiency and precision

• Cost and time

• Safety and sustainability

• All of the above

Heat and chemical treatments should focus on the need to ______ or temper materials.

• anneal

• harden

• cool

• melt