____________________ motor stators have coils of wire placed around the circumference of the stator core, which form electro-magnets when energized, and create magnetic pole fields.
Fill in the blank(s) with the appropriate word(s).
Induction
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A long cylindrical rod with a diameter of 3.0 cm is placed in the air. The rod is heated by an electrical current so that the surface temperature is maintained at 200°C. The air temperature is 21°C. Air flows over the rod with a convective heat transfer coefficient of 5.0 W/m2-K. Consider the emissivity of the rod to be 0.92. Ignoring the end effects of the rod, determine the heat transfer rate per unit length of the rod (a) via convection and (b) via radiation.
Given: Ts = 200°C = 473 K; Tf = Tsurr = 21°C = 294 K; h = 5.0 W/m2-K; ? =0.92; D = 3.0 cm = 0.03 m What will be an ideal response?
IDENTIFY TEST PROCESS SYMBOLS AND DIAGRAMS
The Ford eCVT transmission is similar to the Toyota power-split EXCEPT that ________.
A) The motors are placed one above the other B) It uses automatic transmission fluid C) It uses only one motor D) None of these
What could local communities do to improve their air quality? What can individuals do?
What will be an ideal response?