Welding cable may only be installed in a _____.
a. dedicated cable tray
b. nonmetallic cable tray
c. cable tray with steam and drainage pipes
d. cable tray in hoistways
a. dedicated cable tray
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There are three lines of defense against refrigerant leaks in a service valve: the back seat, the packing gland, and the ____________________.
Fill in the blank(s) with the appropriate word(s).
The accompanying figure shows a bar joist. What is feature 3?
A. Top chord B. Bottom chord C. Open web D. Support point
The tread of the rear wheels on a car is increased 92 millimeters from the year before. What is the increase in tread expressed to the nearest tenth of an inch?
A. 3.5 B. 3.6 C. 3.7 D. 3.8
Match the temperature in degrees Celsius with the correct equivalent Fahrenheit temperature.
A. 100°C B. 0°C C. 25°C D. -45°C E. 10°C F. -17°C