In the stud-weld symbol, the number of stud welds is placed in parentheses ____ the symbol.
A. above
B. below
C. to the left
D. to the right
Answer: B
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The space between the sling or chain and the load can become a _____.
a. place to hold b. pinch point c. center of gravity d. safe point
An Indium-Gallium-Arsenide-Nitrogen alloy developed at Sandia National Laboratory is said to have potential uses in electricity-generating solar cells. The new material is expected to have a longer life, and it is believed to have a 40% efficiency rate, which is nearly twice that of standard silicon solar cells. The useful life of a telecommunications satellite could be extended from 10 to 15 years by using the new solar cells. What rate of return could be realized if an extra investment now of $950,000 would result in extra revenues of $450,000 in year 11, $500,000 in year 12, and amounts increasing by $50,000 per year through year 15?
What will be an ideal response?
What are TAB contractors commissioned to do on HVACR systems?
A) Train technicians on how to operate systems. B) Perform quality control checks on a system. C) Complete installation of the entire system. D) Calibrate test instruments.
Technician A says that CFM is a measurement of air pressure. Technician B says that psi is a measurement of air pressure. Who is correct?
A. Technician A only B. Technician B only C. Both Technicians A and B D. Neither Technician A nor B