5 1-41.   When a control transformer is at electrical zero, the rotor is perpendicular to what winding? 1. S1 2. S2 3. S3 4. R2 1-42.   If a control transformer is held at electrical zero and the control transmitter is turned 90 degrees counterclockwise, what is (a) the amplitude of the induced voltage in the rotor of the control transformer, and (b) the phase relationship of this voltage and the excitation voltage to the control transmitter? 1.   (a) Maximum (b) out-of-phase 2.   (a) Maximum (b) in phase 3.   (a) Minimum (b) out-of-phase 4.   (a) Minimum (b) in phase 1-43.   Which of the following terms applies to the output of a control transformer? 1.   Mechanical movement 2.   Deflection angle 3.   Output voltage 4.   Error signal 1-44.   If the output of a control transformer is zero, what is the relationship of the rotors of the control transformer and the control transmitters? 1.   In correlation 2.   Out of correlation 3.   In correspondence 4.   Out of correspondence 1-45.   Synchro capacitors are used to provide which of the following characteristics in a synchro system? 1.   Improved accuracy 2.   Reduced oscillations 3.   Wider frequency response 4.   Higher load-carrying capacity 1-46.   Which of the following synchro devices uses a synchro capacitor? 1.   TX 2.   RX 3.   TDR 4.   CDX 1-47.   What type of current is eliminated by synchro capacitors? 1.   Loss 2.   Rotor 3.   Stator 4.   Magnetizing Stator 1-48.   In what configuration are synchro capacitors connected in a synchro circuit? 1.   Wye, across the rotor windings 2.   Delta, across the rotor windings 3.   Wye, across the stator windings 4.   Delta, across the stator windings 1-49.   To maintain system accuracy, where are synchro capacitors physically placed in a synchro circuit? 1.   Close to the TX or RX 2.   Close to the TDX, CDX, or CT 3.   Midway between the TX and CT 4.   Far away from the TDR, CDX, or CT 1-50.   Synchro systems that transmit data at two different speeds are referred to by which of the following terms? 1.   Dual-speed 2.   Two-speed 3.   Twin-speed 4.   Each of the above 1-51.   Multispeed synchro systems have which of the following advantages over single- speed synchro systems? 1.   Easier to troubleshoot and align 2.   Fewer moving parts 3.   Greater accuracy 4.   All of the above