Pressure
Energy
Power
Efficiency
Electrical Currents
100

Pressure is typically expressed as this universal unit over area.

What is force?

100

Energy is typically expressed as force times this universal unit.

What is distance?

100

Power is typically expressed as this universal unit over time.

What is energy?

100

Efficiency is the ratio of this universal unit to "power in"

What is power out or usable power?

100

This universal unit is the external force applied to a circuit

What is voltage?

200

Per Pascal's law, hydro pressure of a submerged object is the product of the density of water, the height of the water column, and this property.

What is gravity?

200

The energy resulting from a change of position (lift or drop)

What is potential energy?

200

The unit of power in the SI system

What are watts?

200

Efficiency is always measured between 0% and X%.

What is 100%?

200

This universal unit is typically measured in amperes

What is current?

300

Name a pressure unit in the SI system other than Pascal.

What is mm Hg/atm?

300

The energy from a change in temperature (heating or cooling)

What is thermal energy?

300

The unit of total energy you pay for when you receive your light bill.

What is a kilowatt-hour?

300

The power out is less than the power in due to the loss of this energy form.

What is heat/ heat loss / heat waste?

300

The name of this formula: V=IR

What is Ohm's Law?

400

Name a pressure unit in the USCS other than psi or psf

What is in Hg, bar, or ft H2O

400

The energy that depends on mass and velocity

What is kinetic energy?

400

The amount of power required to provide 2000 calories of energy in 30 minutes

4.65 Watts

400

The efficiency of a motor rated for 80 watts if only 60 watts is used to perform a task and the rest is lost as heat.

What is 75%?

400

Current measures how many of this subatomic particle are flowing in an electrical circuit.

What is an electron?

500

The maximum force needed to crush a sample of brass alloy if the maximum amount of pressure allowed on the brass alloy is 344 Mpa before crushing, and you consider a rectangular prism component with a cross section of 0.39 inches by 0.51 inches.

How much is 44,720 N?

500

The energy in joules of a 300 g mass lifted 25 ft in the air on Mars if the gravity on Mars is 3.7 m/s^2

8.5 J

500

A motor has an output of 25 watts. For the motor to operate and transfer 11,850 calories of energy, the motor must operate for this long.

How much is 33 minutes?

500

The efficiency of a 50 watt rated winch which needs 2 minutes to raise a 55 kg trunk to a 3rd floor window 8 meters above ground floor.

What is 72%

500

The resistance in ohms of a computer system that requires a 5 volt power supply capable of delivering a peak power of 205 watts.

What is 0.122 ohms?