Mechanical joints are not pressure-tight; they may be rigid or loose.
Answer the following statement true (T) or false (F)
True
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____ will do a better job than cleats or dogs if the weldment's parts must be moved more than about 1/2 in.
A. Jacks B. Hammers C. Anvils D. Abrasive grinding disks
____ in a system means that the feedback signal is in phase with the input signal.
a. Positive feedback b. Oscillation c. Synchronicity d. Amplification
What is the meaning of the term "material change of use"?
A. A change in purpose for which premises are used B. A change in the circumstances in which premises are used C. A change in the purpose for or the circumstances in which premises are used D. A change in the purpose for or the circumstances in which water fittings are used
A(n) ____ is often used for testing and performance evaluations.
A. pictorial assembly B. prototype C. engineer's sketch D. research and development sketch E. none of the above