The grid system should be squared ________
A) After installing the ceiling tiles
B) Before determining the level molding line.
C) After the first full panel slot is squared and completed
D) Before the first full panel slot is squared and completed
C
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Article __________ in the NEC® covers the requirements for swimming pools, hot tubs, and hydromassage tubs.
a. 110 b. 250 c. 440 d. 680
Technician A says that worm bearing preload is also called worm end play. Technician B says that sector lash is also known as gear lash. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians A and B D) Neither technician A nor B
The main advantage of semiconductor RAM is its ability to:
A) retain stored data when power is interrupted or turned off. B) be randomly accessed. C) be written into and read from rapidly. D) be sequentially accessed.
A problem that can cause fluting to occur on a bearing is _____
A) misalignment B) a broken cam C) electric arcing D) thrust failure