Joules / second can be expanded to what other metric unit?
N * m / sec
Provide an example of an open and closed fluid system
Open = City water system, Closed = Circulatory system
What is the unit for (q) Charge moved?
Coulombs
What unit is needed to solve for Power but not needed to solve for work?
Time
It is standard to see a capitol P represent ______ and a lower case p represent_______ in an equation
Power, Pressure
A 3 horse power engine is equivalent to how many watts?
2238 watts
1 horsepower is equivalent to what other English unit?
1 Ft * lb / sec
The volume-flow rate when 25 gallons of gasoline are moved in 5 minutes. Find the flow rate
5 gal / min
Solve for current if a 9-volt battery has a 3 ohm resistor.
3 amps
A crate weighing 980 Newtons is lifted through a distance of 2 meters in a time of 2 seconds. The winch pulls the cable through a distance of 8 meters with a force of 272 Newtons in the same 2 seconds.
Find Input Power (In watts)
1088 watts
A hydraulic cylinder has an area of 10cm2. It delivers a force of 1000 N and moves a load a distance of 10 cm in 1 sec.
Find mechanical output power.
100 watts
What is the equation for Ohm's law
I = V/R
A hydraulic cylinder lifts a steel casting. The casting weighs 200 pounds. It is raised 3 feet in 4 seconds at a constant speed. What is the horsepower of the cylinder?
0.27 horsepower
A pump raises 25 gallons of gasoline to a height of 15 feet in 5 minutes. (The weight density of gasoline is 42 Ib/ft3, and 7.48 gallons = 1 ft3)
Find the pressure difference (∆p) between a 15-foot column of gasoline.
630 lb/ft2
The unit for watt is equivalent to 3 other deviations of the following units (volts, amps, and ohms). List all 3.
Volt x Amp
Amp2 x Ohm
Volt2 / Ohm