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UA Star Exam
Practice questions for the UA Star exam
49
Mechanical Engineering
Not Applicable
01/05/2020

Additional Mechanical Engineering Flashcards

 


 

Cards

Term
Volume = ? x ? x ?
Definition
L x W x H
Term
Volume of a cylinder = ?
Definition
(0.7854 x D)^2 x H
Term
How many square inches are in 1 square foot?
Definition
144 square inches
Term
How many cubic inches are in 1 cubic foot?
Definition
1728 cubic inches
Term
How many cubic inches are in 1 gallon?
Definition
231 cubic inches
Term
How many gallons are in 1 cubic foot?
Definition
7.48 gallons
Term
Density = Weight ? Volume
Definition
Weight/Volume
Term
Volume = Weight ? Density
Definition
Weight/Density
Term
Weight = Volume ? Density
Definition
Volume x Density
Term
What is the density of water in cubic feet?
Definition
62.4 pounds per cubit feet
Term
What is the density of water in cubic inches?
Definition
0.0361 pounds per cubic inch
Term
What is the density of sea water in cubic feet?
Definition
64 pounds per cubic foot
Term
what is the density of sea water in cubic inches?
Definition
0.0370 pounds per cubic inch
Term
What is the density of gasoline in pounds per cubic foot?
Definition
44 pounds per cubic foot
Term
What is the density of gasoline in pounds per cubic inch?
Definition
0.0254 pounds per cubic inch
Term
What is the density of mercury in pounds per cubic foot?
Definition
848.7 pounds per cubic foot
Term
What is the density of mercury in pounds per cubic inch?
Definition
0.491 pounds per cubic inch
Term
How much more dense is mercury than water?
Definition
Mercury is 13.6 times denser than water
Term
How many feet in a mile?
Definition
5,280 feet
Term
How many inches in a mile?
Definition
63,360 inches
Term
Convert Lbs/Cu.Ft. to Lbs/Cu.In.
Definition
Lbs/cu.ft. / 1728
Term
Convert Lbs/Cu.In. to Lbs/Cu.Ft.
Definition
Lbs/Cu.In. x 1728
Term
Convert cubic feet to cubic inches
Definition
Cubic feet x 1728
Term
Convert cubic inches to cubic feet
Definition
Cubic inch / 1728
Term
Force equals...
Definition
Area x PSI
Term
Pressure equals...
Definition
Force / Area
Height x Density
Term
Convert height in feet to PSI
Definition
PSI = H(Ft.) x 0.433
Term
Convert height in inches to PSI
Definition
PSI = H(In.) x 0.0361
Term
Convert height in feet to PSF
Definition
PSF = H(Ft.) x Density (Lbs./Cu.Ft.)
Term
Convert height in inches to PSIG
Definition
H(In.) x Density (Lbs./Cu.In.)
Term
Convert PSF to PSI
Definition
PSF / 144
Term
Volume = Area ? Height
Definition
Area x Height
Term
Find density in cubic inches using specific weight
Definition
D = Sp.Wt. x 0.0361 lbs/cu.in.
Term
Find density in cubic foot using specific weight
Definition
D = Sp.Wt. x 62.4 lbs/cu.ft.
Term
Find specific weight
Definition
Density of a substance / density of water
Term
Mechanical advantage = Resistance ? Energy
Definition
MA = R / E
Term
Resistance = Mechanical advantage ? Energy
Definition
R = MA x E
Term
What is the weight of air at STP?
Definition
0.0807 lbs/cu.ft.
Term
What is the weight of air at 70 degrees F?
Definition
0.075 lbs/cu.ft.
Term
How much does atmospheric pressure at sea level counterbalance a column of mercury?
Definition
30 inches high
Term
How much is atmospheric pressure?
Definition
14.7 PSI
Term
Find PSIA
Definition
PSIA = Atmospheric pressure + Gauge Pressure
Term
Find PSIA using Inches of Mercury
Definition
PSIA = (Hg" x 0.491) + Gauge Pressure
Term
Find PSIA using vacuum pressure
Definition
PSIA = Atmospheric pressure - Vacuum Pressure
Term
Convert inches of mercury to PSI
Definition
PSI = Hg" x 0.491
Term
Convert PSI to inches of mercury
Definition
Hg" = PSI/0.491
Term
Convert Celsius to Fahrenheit
Definition
F = (C x 1.8) + 32
Term
Convert Fahrenheit to Celsius
Definition
C = (F - 32) / 1.8
Term
How many pounds are in 1 gallon of water?
Definition
8.33 pounds
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