M17 Propellers Sub-Module No 4(Quiz No:1)

Propeller Synchronizing

Quiz

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1. Synchronizing system is used to reduce excess of ?
   1.   Egt
   2.   Rpm
   3.   Noise and vibration
2. If the two signals are different the synchronizer control generates______ which is sent to the slave propeller unit ?
   1.   A dc pulse
   2.   Ac pulse
   3.   Intermittent
3. Each pulse signal rotates the shaft a fixed amount,This distance is called ?
   1.   Volt
   2.   Step
   3.   Current
4. FADEC controlled engines operate in different modes depending on ? .
   1.   Propeller lever setting
   2.   The fuel configuration
   3.   The flight onfiguration
      and power lever setting
5. In synchrophasing system the pulse generator serves the same function as _________ in the synchronization system ?
   1.   Dc genrator
   2.   A tachogenerator
   3.   Pulsating dc genrator
6. A tachometer-generator is also called ?
   1.   Pulsating dc genrator
   2.   Frequency generator
   3.   Dc genrator
7. Each propeller governor contains a rotating magnet and a magnetic pickup that produces _________ as the governor rotates ?
   1.   Alternating current
   2.   Dc current pulsating
   3.   Dc current
8. Synchrophasing is a refinement of-------- ?
   1.   Fuel air mixture
   2.   Angular displacement
   3.   Synchronization
9. A twin-engine aircraft uses _____ as the master engine ?
   1.   Right engine
   2.   Left engine
   3.   Tail engine
10. What is the condition of synchronizer system during takeoff and landing ?
    1.   Intermittent
    2.   On
    3.   Off