In what year was the self-starter introduced?
A) 1902 B) 1912 C) 1908 D) 1900
B
You might also like to view...
Autotransformers are often used by power companies to provide a ____ increase or decrease to the line voltage.
a. small b. constant d. proportional c. variable d. proportional
How much residue does moldboard plowing typically leave?
a. 0 to 15 percent c. 20 to 30 percent b. 10 to 25 percent d. greater than 30 percent
A variable frequency drive is a system for controlling the rotational speed of an electric motor by:
A) Controlling the voltage amplitude supplied to it. B) Varying the load applied to it. C) Controlling the frequency of the power supplied to it. D) Varying the current flow to it.
Tank heaters are capable of providing a specific amount of hot water per hour, referred to as the ____ rating, based on the tank size, efficiency rating and the fuel type.
A. hourly B. timed C. measured D. first hour