Root-mean square (RMS) is a mathematical formula for:

A) Measuring the pressure drop across an air filter.
B) Calculating the electrical power passing through a alternating current circuit.
C) Determining the physical resistance of an AC motor.
D) Determining the price of a replacement compressor.


B

Trades & Technology

You might also like to view...

What should be done before removing a piston from a liner?

A. remove the crankshaft B. remove the main caps C. hone a crosshatch D. scrape away the carbon ridge

Trades & Technology

The most common service factor appearing on a motor's nameplate is _____.

a. 1.15 b. 1.5 c. 2 d. 2.15

Trades & Technology

Sketch an organizational chart for a typical structural CAD department.

What will be an ideal response?

Trades & Technology

Dropping or piling steel framing members on top of an electrical extension cord could create a(n) _____

a. tripping hazard b. fire hazard c. unusable framing member d. electrical hazard

Trades & Technology