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WorksheetsEngineering Units and Conversions
Total questions: 20
Worksheet time: 10mins
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.
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
How many significant figures are in 0.00245
Five (5)
Six (6)
Three (3)
Two (2)
How many significant figures are in 12,500.0
Six (6)
Three (3)
Five (5)
Two (2)
Which of the following is a valid method of estimation?
WAG
Upper & Lower Bounds
Guessing
Fermi
how accurate is an "Order of Magnitude" estimation
25%
100%
a power of 10
it is exact
Should you consider how "reasonable" an estimation is?
Yes
No
It does not matter
Can something be repeatable but not accurate?
Yes
No
Can something be accurate but not repeatable?
Yes
No
Can
Which one of the following is a Dimension?
Meter
Second
Length
Liter
Which of the following is NOT a unit?
seconds
time
meters
Newtons
What item below describes the United State's acceptance of the metric system?
complete adoption
none, as we are too stubborn to adopt any of it.
partially adopted
only adopted in a very few select industrial areas.
