The motor that has its series and parallel field windings connected in the same direction are called ____________________ compound motors.

Fill in the blank(s) with the appropriate word(s).


cumulative

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The load of the motor is a drilling machine. At 1150 rpm, the load torque is 150 Nm. The motor is driven by a constant v/f technique. When the frequency of the supply voltage is reduced to 50 Hz, calculate the following:

A three-phase, 60 Hz, six-pole, Y-connected, 480 V induction motor has the
following parameters

a. Motor speed
b. Maximum torque at 60 Hz and 50 Hz
c. Motor Current at 50 Hz

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Express 46.0965° as degrees, minutes, and seconds.  Round the answer to the nearest second.

Fill in the blank(s) with the appropriate word(s).

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The most commonly used pump in water and sewage systems is the

a. centrifugal pump b. screw-feed pump c. air lift pump d. rotary displacement pump e. reciprocating displacement pump

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What is the correct reading on the ruler as represented by the letter C reduced to lowest terms?

What will be an ideal response?

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