Two angles are complementary if they add up to how many degrees?
What will be an ideal response?
90°
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Per 29 CFR 1926.1416, Category I operational aids that fail must be repaired within _____.
a. 3 days b. 7 days c. 15 days d. 30 days
A carnival ride properly powered through a disconnect switch within 6 feet (1.8 m) of the operator can also be opened from the operator’s console using a _____.
a. rheostat b. positive locking device c. shunt trip d. site-isolating device
All computer networks require some type of networking software to run the ___________
A. LAN B. MAC C. IEEE D. DCE
Polling _______
A) is more efficient than interrupt-driven processor operation B) has the processor operate normally until a device signals that it requires servicing C) requires the processor to periodically check each device to see which if any of them require servicing D) None of the above