AES Test 1 Questions With Verified Answers

What is the principal advantage of the series-wound dc motor? - Answer High starting torque. If a generator is equipped with a vibrator-type voltage regulator, the actual time the voltage regulator points remain open? - Answer Depends on the load being carried by the generator. What is a cause of generator brush arcing? - Answer Low spring tension. The starting current of a series-wound dc motor, in passing through both the field and armature windings, produces a... - Answer High starting torque. The only practical method of maintaining a constant voltage output from an aircraft generator under varying conditions of speed and load is to vary the? - Answer Strength of the magnetic field. If the reverse current cutout relay contact points fail to open after the generator output has dropped below battery potential, current will flow through the generator armature? - Answer Opposite the normal direction and through the shunt field in the normal direction. The commutator of a generator? - Answer Changes alternating current produced in the armature into direct current as it is taken from the armature. An ammeter in a battery charging system is for the purpose of indicating the? - Answer Rate of current used to charge the battery. Which type of dc generator is not used as an airplane generator? - Answer Series wound.