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

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____ in a system means that the feedback signal is in phase with the input signal.

a. Positive feedback b. Oscillation c. Synchronicity d. Amplification

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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

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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

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