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Longitudinal (fore and aft) clearance of constant-speed propeller blades or cuffs must be at least 1/2 inch (12.7 mm) between propeller parts and stationary parts of the aircraft. This clearance is with the propeller blades

At what stage in a turbine engine are gas pressures the greatest?

During the inspection of an engine control system in which push-pull control rods are used, the threaded rod ends should

Why is an aircraft reciprocating engine oil tank on a dry sump lubrication system equipped with a vent line?

If an engine is equipped with a float-type carburetor and the engine runs excessively rich at full throttle, a possible cause of the trouble is a clogged

Oil accumulation in the cylinders of an inverted in-line engine and in the lower cylinders of a radial engine is normally reduced or prevented by

One cause of afterfiring in an aircraft engine is

Which of the following is NOT used to detect fires in reciprocating engine nacelles?

A fire detection system that operates on the rate-of-temperature rise is a

(Refer to Figure 5.) With power applied to the bus bar, what switch changes will allow the ignition exciters test switch to function?