NEW
Font size
WorksheetsPOE Semester 1 Review
Total questions: 10
Worksheet time: 5mins
5. According to the following thread note what does 3/8 mean?
3/8-20UNC-2A-3
Threads per Inch
Pitch
Diameter of Screw
Length of Screw
9.What can a gear train do?
Changes output direction
Changes force
Changes speed
All the above
17. If a simple machine requires an effort force that is less than the force of the load being moved then that machine exhibits _____________.
Rotary Motion
Mechanical Advantage
Static Equilibrium
Linear Motion
15. A POE student is using a ramp to raise an object 4 feet above the ground and a length of 12.65 feet. The mechanical advantage of the ramp is:
.316
1.05
3.16
3
19.A light bulb with 15 ohms of resistance is hooked up to a 1.5 volt battery. The current running through the light bulb will be _________.
.67 Amps
10 Amps
22.5 Amps
.1 Amps
20.Calculate Current Total
.012 amps
1.5 amps
.043 amps
.86 amps
23.Calculate the unknown quantity.
3.08 v
.308 v
30.8 v
32.Two resistors with 15 ohms of resistance each are connected in series to a 1.5-volt battery. The current running through the system will be ___________.
.5 amps
1 amps
.05 amps
.02 amps
34.A circuit has an applied voltage of 120 volts and a current of 250 mA. What is the resistance in the circuit?
480 Ohms
30 Ohms
2.1 Ohms
.48 Ohms
33.In a series circuit, increasing the resistance while keeping voltage the same will cause the current to:
Increase
Decrease
Stay the same
Go to zero
