13. (8404.) If a rigid tube is too short for the flare to reach its seat before tightening, pulling it into place by tightening
A—is acceptable.
B—may distort the flare.
C—may distort the cone.
14. (8427.) What is used to flush a system normally serviced with MIL-H-5606 hydraulic fluid?
A—Methyl ethyl ketone or kerosene.
B—Naphtha or varsol.
C—Lacquer thinner or trichlorethylene.
15 (8445.) Pressure is a term used to indicate the force per unit area. Pressure is usually expressed in
A—pounds per square inch.
B—pounds per inch.
C—pounds per cubic inch.
16. (8462.) The air that is expended and no longer needed when an actuating unit is operated in a pneumatic system is
A—exhausted or dumped, usually overboard.
B—returned to the compressor.
C—charged or pressurized for use during the next operating cycle.
17. (8025.) When dope-proofing the parts of the aircraft structure that come in contact with doped fabric, which of the following provide an acceptable protective coating?
1. Aluminum foil. 2. Resin impregnated cloth tape.
3. Any one-part type metal primer. 4. Cellulose tape.
A—1and 2.
B—3 and 4.
C—1 and 4.
18. (8025.) When dope-proofing the parts of the aircraft structure that come in contact with doped fabric, which of the following provide an acceptable protective coating?
1. Aluminum foil. 2. Resin impregnated cloth tape.
3. Any one-part type metal primer. 4. Cellulose tape.
A—1and 2.
B—3 and 4. C—1 and 4.