List two ways in which the torque in a given DC motor can be changed.
What will be an ideal response?
Vary the applied voltage.
Change the field or armature current by using a variable resistor.
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In a single-phase motor, the resistance of the run winding will be _____.
a. less than that of the start winding b. slightly more than that of the start winding c. equal to that of the start winding d. exactly twice that of the start winding
Who drove a diesel powered truck loaded with 3 1/2 tons from coast to coast in the 1930s using $11.38 of fuel?
A. Presper B. Cummins C. Ford D. Eckert
A broiler chicken's feed efficiency is about how many pounds of feed for one pound of weight gain?
A. 1.9 B. 3 C. 6.5 D. 9
All voltage should be turned off when making a resistance measurement
Indicate whether the statement is true or false