(a) Some martensitic transformations are completely reversible, however, there may be a large difference in the size of the hysteresis loop that couples a complete temperature induced cycle. Explain why, in some cases, the size of the hysteresis is large and in others it is small.
(b) The martensite transformation in steel is normally not reversible. Rationalize this fact.
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If conductors are to be used in a location with a higher ambient temperature, the ampacity of the conductor must be ____.
A. kept constant B. doubled C. reduced D. increased by 20 amperes
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Of all of the techniques for ocean thermal energy conversion (OTEC), the one that has the added advantage of also generating fresh water from sea water is the closed cycle OTEC System
Indicate whether the statement is true or false.
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During a complete combustion cycle in a four-cycle engine, the crankshaft revolves how many degrees?
A) 720 B) 240 C) 180 D) 360
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Hydro-boost systems store pressure for reserve braking
Indicate whether the statement is true or false
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