Inefficiency of a motor due to heat dissipation is the result of which type of physical motor losses?
What will be an ideal response?
copper losses
mechanical losses (friction)
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In certain applications, the function of a part requires defining the symmetry deviation of a width feature of size relative to a datum center plane or datum axis. In this application, the symmetry tolerance also limits the ____________________ of the derived median plane.
Fill in the blank(s) with the appropriate word(s).
The Indo-European peoples were agents of
a. cultural penetration and engagement. b. the spread of techniques for growing grains. c. the dissemination of African art forms. d. the rise of urban civilizations.
Which of the following is a correct form of Boolean addition?
A) 0 + 1 = 1 B) 0 + 1 = 0 C) 0 ? 0 = 0 D) 0 ? 1 = 0
The total reactance of a series RLC circuit at resonance is ________
A) capacitive B) zero C) infinity D) equal to the resistance