1) After the conductors have been installed in conduits or raceways, it is accepted practice to test the installation for grounds and shorts. This test requires a(n) _________. a) ammeter b) faradmeter c) voltmeter d) ohmmeter 2) Most dual-voltage single-phase motors will be of the _______ type, which contains both run and starting windings. a) synchronous b) monophase c) split-phase d) biphase 3) The speed of the wound-rotor induction motor can be controlled by the amount of _______ connected in the rotor circuit. a) voltage b) resistance c) capacitance d) inductance 4) The torque reaches maximum when the rotor and stator currents are _________ with each other. a) 60 degrees out of phase b) in phase c) 150 degrees out of phase d) 120 degrees out of phase 5) SCRs and GTOs are ______ and have the ability to handle a greater amount of current than transistors. a) capacitors b) thyristors c) integrated circuits d) resistors 6) The _______ operates like an electric check valve; it permits the current to flow through it in only one direction. a) inductor b) diode c) resistor d) capacitor 7) Three-phase motors can be constructed to operate in either wye or _______. a) star b) Kennelly c) delta d) Cycle 8) The force acting at the rim of the rotor multiplied by the radius from the center of the rotor is called the ________. a) horsepower b) torque c) rotor speed d) angular momentum 9) An induction motor is much like a(n) ________, except that the secondary winding and core are mounted on a shaft set in bearings. a) limit switch b) ohmmeter c) transformer d) voltmeter 10) Although the __________ compound motor gives a more constant speed at all loads, the motor is somewhat unstable. a) armature b) shunt c) cumulative d) differential

quiz 1 review class 4

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