What is the maximum value out of a binary counter which has three flip-flops?
A) 3 B) 7 C) 8 D) 12
B
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Titanium becomes sensitive to embrittlement by oxygen, nitrogen, and hydrogen at temperatures above _____
a. 500°F (260°C) b. 1,000°F (538°C) c. 6,000°F (3,316°C) d. 10,000°F (5,538°C)
In the HVAC/R industry, __________ are often used to shift sections of metal ductwork during installation to prevent surface damage.
A. ball peen hammers B. cold chisels C. rubber mallets D. wooden mallets
What type of register accepts data inputs one bit at a time and outputs all its data bits at the same time?
A) Serial in/Serial out B) Parallel in/Parallel out C) Parallel in/Serial out D) Serial in/Parallel out
This is the opening inside the chimney that allows the smoke and combustion gases to pass from the firebox away from the structure:
A. chimney liner B. flue C. chimney anchors D. chimney cap E. chimney hood