Engineering Units and Conversions

What is meant by the SI System?

• Systeme Internationale

• Metric System

• Yes in Spanish

• Special Instructions

All of the following are simple units (not derived from other units) except

• Meters

• Newtons

• Seconds

• Liters

What is the correct unit for Energy?

• Joule (J) (Kg m²/s²)

• Newton (N) (Kg m/s²)

• Watt (W) (Kg m²/s³)

• Horsepower (hp)

What is the key to converting 235 cubic inches to cubic yards.

• Google

• using one conversion factor (1 yard = 36 inches) and using a power of three for the conversion

• using one conversion factor (12 inch = 1 foot) and using a power of three for the conversion

• using two conversion factors (1 ft = 12 inches) and (1 yard = 3 feet) and using a power of two in conversion.

What is the first step in all unit coversions

• Find the conversion factor

• Write the known value as a fraction over 1

• show all of my work

• cancel units

What is the correct unit for Power?

• Newton (N)

• Joule (J)

• Watt (W)

• Power (P)

What is the correct unit for Energy?

• Watt (W)

• Joule (J)

• Newton (N)

• Heat (H)

Which item is NOT a derived unit?

• Ampere (A) (also called an Amp)

• Newton (N)

• Watt (W)

• Joule (J)

Which item below is the best definition of Precision?

• combination of accuracy and reliability

• reliablity

• accuracy

• nice tight "grouping"

How many significant figures are in 12,000,000?

• Eight (8)

• Four (4)

• Two (2)

• None