____ glass is used in areas where the glazing is subject to possible breakage or security of glazed openings is required.

A. Low-E
B. Laminated
C. Insulating
D. Reflective


Answer: B

Trades & Technology

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An electrical ____ is a tradesman who oversees and manages the building, maintenance, and troubleshooting of electrical and electronic systems.

a. apprentice b. inspector c. estimator d. foreman

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Answer the following statement(s) true (T) or false (F)

1. DC series motors that can run at no load may generate runaway speeds and literally throw themselves apart. 2. A drum controller was used on crane motors, elevators, machine tools, and other applications in heavy industry. 3. The reverse direction of a drum controller is accomplished by reversing the current in both the armature circuit and the shunt and series fields. 4. Three-terminal and four-terminal starting rheostats are still widely used. 5. Drum controllers are still frequently used with AC as well as DC motors.

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The effect of early 19th-century industrialization on the trans-Allegheny West was to encourage

A. specialized, cash-crop agriculture. B. slavery in the trans-Allegheny West. C. self-sufficient farming. D. farmers to abandon agriculture and sell their land to move to cities for better economic opportunities. E. higher tariffs.

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All of the following would immediately rule out the reuse of a valve EXCEPT ____.

A. bent stem B. burned face C. excessive carbon deposits D. non-visible margin

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