The organization(s) that test and list circuit breakers is/are _____.
a. IEEE
b. OSHA and NEMA
c. CSA and UL
d. UL and NEMA
c. CSA and UL
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____________________ fuses are used today in almost all fuse applications.
Fill in the blank(s) with the appropriate word(s).
Which of the following is a true statement about rigging hardware?
a. Shouldered eyebolts are not acceptable for lifting operations. b. Screw-pin shackles require a cotter key to be installed in the end of the pin. c. Serrated-jaw clamps are the only type of hardware that needs no rated load information. d. Plate clamps are designed to lift only one plate at a time.
Organizing for operations management involves which of the following?
a. job design b. departmentalization c. delegation and decentralization d. All of these are involved. e. None of these are involved.
For the single-phase three-wire system in Fig. 12.77, find currents IaA, IbB, and InN.
 figure 1.png)
Figure 12.77