Which engine type is most suitable for rotary-wing UAVs?
Gas turbine
What is the function of engine cowling during flight? o A. Increase drag o B. Reduce cooling o C. Direct airflow
C
What is the main benefit of rotary engines in UAVs? o A. High fuel consumption o B. Low power-to-weight ratio o C. Smooth operation
C
What is the purpose of engine control rods?
Transmit control inputs
What is the main difference between rotary and piston engines? o A. Rotary engines have valves o B. Rotary engines have more moving parts o C. Rotary engines use rotors instead of pistons
C
What causes the rotor to rotate in a Wankel engine?
Pressure from combustion gases
What is the purpose of vibration isolating shock mounts?
Reduce engine movement
What is the function of the intake port in a rotary engine?
Supply fuel-air mixture
What is the function of the engine mount inspection? o A. Check fuel flow o B. Check for cracks and wear o C. Check oil pressure
B
What is the role of the spark plug in a rotary engine?
Ignite fuel-air mixture
What is the main concern when installing control cables?
Routing and tension
What is the function of the cowling seal? o A. Prevent air leakage o B. Increase thrust o C. Reduce weight
A
What is the main reason for using reduction drives in rotary engines? o A. Increase RPM o B. Reduce fuel consumption o C. Match propeller speed
C
What is the function of the control rod clevis?A. Connect to throttle B. Connect to firewall C. Connect to propeller
A
What is used to seal wiring through firewalls? o A. Rubber grommets o B. Plastic tubes o C. Metal clamps
A
What is the main structural component that supports the engine?
Engine mount
What is the main reason for using Dynafocal mounts?
Reduce vibration
What is the function of the accessory gearbox?
Drive engine accessories
What is the main concern when routing fluid lines?
Avoiding hot areas
What is the main reason for sealing firewall edges?
Prevent fire spread
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