Write the mesh-current equations for the circuit in Fig. 3.115. Next, determine the values of I1, I2, and I3.


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Airflow switches are generally used to ensure that ____ before the compressor is permitted to start.

a. a pre-set temperature has been reached b. air has reached saturation point c. a pre-set pressure has been reached d. air is moving across the evaporator coil

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The transmission is in first gear, which has a 2.5:1 ratio, and the rear axle has a ratio of 2:1. The overall gear ratio is ________.

A) 5:1 B) 2:1 C) 2.5:1 D) 4.5:1

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A half-wave, single-phase ac-to-dc converter is loaded by an impedance of l0 mH inductance in series with l0 ? resistance. The ac voltage is 110 v (rms). For ? equal to 30o and 90o , calculate the following:

a. Conduction period b. Average current of the load c. Average voltage of the load d. Power

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A rhombus is a parallelogram whose sides and angles are all equal. 

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

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