A 20 hp, 480 V, 60 Hz, three-phase induction motor has a rated speed at full load of 3500 rpm, stator resistance of 1 ?, rotor resistance of 1 ?, and equivalent winding reactance of 5 ?. Compute the starting time of the motor at full load and at full voltage and frequency. Assume that the load torque is constant. The inertia of the motor is 3 Nm sec2 .
What will be an ideal response?
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Heat moves into and out of buildings by three different routes: conduction, ____, and radiation.
A. induction B. convection C. expression D. equilibrium
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Define reactive power.
What will be an ideal response?
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The term _____ refers to traditional publications targeted to farmers, their suppliers, and vendors
a. agricultural publications b. farm press c. rural readers d. agricultural media
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Troubleshooting Walk-In / Medium Temp - Diagnosis: Restriction in the liquid line Notice temperature drop across filter-drier
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