(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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A. kept constant B. doubled C. reduced D. increased by 20 amperes
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.
During a complete combustion cycle in a four-cycle engine, the crankshaft revolves how many degrees?
A) 720 B) 240 C) 180 D) 360
Hydro-boost systems store pressure for reserve braking
Indicate whether the statement is true or false