When the radial marks or dots on an IFI fastener are spaced more than 60-degrees apart, which of the following should be true?
A. Grade 2 fastener
B. Grade 5 fastener
C. Grade 6 fastener
D. Grade 8 fastener
Answer: B
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The process of using heat to soften metal so it can be bent or formed has been used ____.
A. as long as mankind has worked with metals B. since the 13th century C. since the 16th century D. since the Industrial Revolution
UPS battery back-up systems in hospitals _________________
A. are used to power the hospital's entire load during a blackout B. are used to reduce peak demand C. are used to start emergency generators during a power outage D. are used to provide power during the transition period which is the time it takes for an emergency generator to start and come on line
One of the advantages of building on an infill lot is the green home certification points can be earned
Indicate whether the statement is true or false
The most common method for removing surface contamination is _____
a. chemical cleaning b. mechanical cleaning c. brief soaking in water d. wire brushing by hand