What is the lowest acceptable overvoltage category rating for an ammeter that will be used to test industrial lighting and outdoor conductors?

A) CAT I B) CAT II C) CAT III D) CAT IV


D

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The minimum tread width required by building codes for a nonresidential stair is _________.

A) 12.5 in. B) 11.5 in. C) 12.0 in. D) 11.0 in. E) 13.0 in.

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For which one of the following types of tungsten electrodes can the electrode tip be balled (spherical)?

a. thoriated b. zirconiated c. lanthanated d. ceriated

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Air systems used only for heating generally require _____

a. more airflow than systems used for cooling b. less airflow than systems used for cooling c. the same airflow as a system used for cooling d. twice the airflow of a system used for cooling

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List the common types of driving recesses used by threaded fasteners

What will be an ideal response?

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