Basic Electricity
The three kinds of circuit-protection devices used most commonly in aircraft circuits are....
Circuit Breakers
Fuses
Current Limiters
What is likely to occur if unhydrated was primer is applied to unpainted aluminum and then about 30-40 minutes later a finish topcoat, when the humidity is low?
Corrosion
In order to reconstruct lost or destroyed aircraft maintenance records, what is it necessary to establish?
Total time-in-service of the airframe.
The maximum weight of an aircraft is the
empty weight plus useful load.
What is the normal duration of a mechanic certificate with airframe and/or powerplant ratings?
Until surrendered, suspended, or revoked.
What is the formula for Power?
(Distance Moved) x (Force Exerted) divided by (Time)
If you double the number of coils in an inductor, field strength will...
double
A correct use for acetone is to....
remove grease from fabric.
Who is responsible for the upkeep of the required maintenance records for an aircraft?
The aircraft owner or operator.
An aircraft's LEMAC and TEMAC are defined in terms of distance from...
the datum.
The replacement of a damaged vertical stabilizer with a new identical stabilizer purchased from the aircraft manufacturer is considered a...
major repair.
The desired effect of using winglets on an aircraft's wingtips is to...
increase the lift to drag ratio.
When referring to an electrical circuit diagram, what point is considered to be at zero voltage?
The ground reference.
The rust or corrosion that occurs with most metals is the result of....
a tendency for them to return to their natural state.
During an annual inspection, if a defect is found which makes the aircraft unairworthy, the person disapproving must...
provide a written notice of the defect to the owner.
When accomplishing loading computations for a small aircraft, necessary information obtained from the weight and balance records would include...
current empty weight and empty weight CG.
Who is authorized to repair an aircraft instrument?
A certificated repair station approved for that instrument.
The speed of sound in the atmosphere changes how?
In a series RL circuit, the current increases to approximately _____ % of its full value in 1 time constant after the circuit is closed.
63%
The lifting or flaking of the metal at the surface due to delamination of grain boundaries caused by the pressure of corrosion residual product buildup is called....
exfoliation.
What is the status of data used as a basis for approving major repairs or alterations for return to service?
Data must be FAA-approved prior to its use for that purpose.
In the process of weighing an airplane toward obtaining the CG, the arms from the weighing points always extend...
parallel to the centerline of the airplane.
14 CFR part 65 contains information for the certification of...
airmen other than flight crewmembers.
The total piston displacement of a specific engine is...
the volume displaced by all the pistons during one revolution of the crankshaft.
In a parallel circuit with four 6-Ohm resistors across a 24-volt battery, what is the total voltage across resistor-three in the circuit?
24 Volts
What should be done to prevent rapid deterioration when oil or grease come in contact with a tire?
Wipe the tire with a dry cloth followed by a washdown and rinse with soap and water.
An aircraft was not approved for return to service after an annual inspection and the owner wanted to fly the aircraft to another maintenance base. What must the owner obtain prior to flight?
The owner must obtain a special flight permit.
When dealing with weight and balance of an aircraft, the term "maximum weight" is interpreted to mean the maximum...
authorized weight of the aircraft and its contents.
Who may perform a 14 CFR Part 91 100-hour inspection on an airframe?
Any certificated mechanic with an airframe rating.
Newton's Third Law of Motion, generally termed the, "Law of Action and Reaction", states:
For every action there is an equal and opposite reaction.
Transfer of electrical energy from one circuit to another without the aid of electrical connections is called...
Induction.
Electrical contact between an anodic area and a cathodic area and the presence of an electrolyte.
Who is responsible for making the entry in the maintenance records after an annual, 100-hour, or progressive inspection?
The person approving or disapproving for return to service.
Most modern aircraft are designed so that if all seats are occupied, full baggage weight is carried, and all fuel tanks are full, what will be the weight condition of the aircraft?
Who should initiate filling in FAA Form 337 associated with major repair work to control system linkages?
The certified airframe mechanic who performed the maintenance action required.
If two actuating cylinders which have the same cross sectional area but different lengths of stroke are connected to the same source of hydraulic pressure, they will exert....
equal amounts of force and will move at the same rate of speed.