1-11. What part of a synchro provides a point
for external connections?
1. The terminal board
2. The slip ring
3. The stator
4. The brush
1-12. Which of the following terms is defined
as the amount of load a machine can
1. Radian force
2. Load factor
1-13. Which of the following units should be
used in measuring the amount of turning
force of a synchro?
1-14. An overloaded synchro will probably
exhibit which of the following
3. Excessive temperature
4. Noisy operation
1-15. A synchro receiver has which of the
following characteristics that is NOT
found in an ordinary transformer?
1. A primary that can rotate in relation
to the secondary
2. A primary magnetically coupled to
3. A step-up turns ratio
4. An air core
1-16. When a synchro transmitter is in the
zero-degree position, the rotor is aligned
in what manner?
1. With winding S1
2. With winding S2
3. With winding S3
4. Between winding S1 and S2
1-17. Maximum voltage is induced in a stator
winding of a synchro transmitter when
the rotor and the stator winding have
what angle between them?
1. 0 degrees
2. 30 degrees
3. 60 degrees
4. 90 degrees
1-18. Which of the following factors does
NOT affect the amplitude of the voltage
induced in a stator winding of a synchro
1. The angular displacement between
the rotor and stator
2. The amplitude of the primary voltage
3. The speed of data transmission
4. The turns ratio of the synchro
1-19. Damping is necessary for which of the
following synchro devices?
3. Control transformer
4. Differential transmitter
1-20. The primary purpose of damping is to
reduce which of the following conditions
in a synchro device?
1. Readings 180º out of phase
4. Each of the above