A bipolar BLDC motor is used to drive a reversible torque. The voltage of the dc source is 400 V, k? = 1.0 Vs, and the armature resistance of the motor is 1.0 V. At a modulation factor of 100%, the motor is running at 500 rpm. Compute the modulation factor that rotates the machine at 100 rpm.

What will be an ideal response?


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A two stroke engine has a power stroke every other crankshaft revolution.

Answer the following statement true (T) or false (F)

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What components on an oil furnace should be changed annually?

A) The fuel line filter B) The fuel line filter, nozzle, ignition transformer and electrodes C) The fuel line filter and the nozzle D) The fuel line filter, nozzle and electrodes

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A finishing tool used to obtain a smooth finished surface is the _____.