____ electrical conductor(s) that electricians install in electric motor circuits must be protected for both overcurrent and overload conditions.
a. Every
b. Most
c. Some
d. No
a. Every
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Problem 1.47 A load P is supported as shown by a steel pin that has been inserted in a short wooden member hanging from the ceiling. The ultimate strength of the wood used is 60 MPa in tension and 7.5 MPa in shear, while the ultimate strength of the steel is 145 MPa in shear. Knowing that b = 40 mm, c = 55 mm, and d = 12 mm, determine the load P if an overall factor of safety of 3.2 is desired.
From a global perspective, the War of 1812 was
A. a highly significant conflict. B. more important to Europeans than to Americans. C. of little importance. D. responsible for the defeat of Napoleon. E. more important than the American Revolution.
Reinforcing bars should be _____
a. heated with a torch before bending b. bent no more than 90 degrees c. lubricated before bending d. bent cold AGRICULTURAL MECHANICS AND METAL TECHNOLOGIES - TX. ED., VOL. 1 MODULE 27304-14 EXAM 2 Copyright © 2017 NCCER. Permission is granted to reproduce this page provided that copies are for local use only and that each copy contains this notice.
Electrical symbols are used to show the ________ of light fixtures, receptacles, security systems, switches, and telephones on a floor plan
A) Wattage B) Location C) Infrastructure D) Wiring schematic