The speed of sound in the atmosphere correct answers -Changes with a change in temperature.
The material specifications for a certain aircraft require that a replacement oil line be fabricated from 3/4-inch 0. aluminum alloy tubing. What is the inside dimension of this tubing? correct answers ...
The speed of sound in the atmosphere correct answers -Changes with a change in
temperature.
The material specifications for a certain aircraft require that a replacement oil line be
fabricated from 3/4-inch 0.072 5052-0 aluminum alloy tubing. What is the inside
dimension of this tubing? correct answers - 0.606 inch.
What is the maximum duration of a temporary airman certificate? correct answers - 120
days.
The term that describes the combined resistive forces in an ac circuit is? correct
answers - Impedance.
What is the opposition to the flow of AC produced by a magnetic field with generated
back voltage (EMF) called? correct answers - Inductive reactance.
Which statement(s) is/are true regarding tiedown of small aircraft?
1. Manila (hemp) rope has a tendency to stretch when it gets wet.
2. Nylon or dacron rope is preferred to manila rope.
3. The aircraft should be headed downwind in order to eliminate or minimize wing lift.
4. Leave the nosewheel or tailwheel unlocked. correct answers - 2
Which atmospheric conditions will cause the true landing speed of an aircraft to be the
greatest? correct answers - High temperature with high humidity.
An aircraft with an empty weight of 1,800 pounds and an empty weight CG of +31.5 was
altered as follows:
1. two 15-pound passenger seats located at +72 were removed;
2. structural modifications increasing the weight 14 pounds were made at +76;
3. a seat and safety belt weighing 20 pounds were installed at +73.5; and
4. radio equipment weighing 30 pounds was installed at +30.
What is the new empty weight CG? correct answers - +31.61.
An aircraft had an empty weight of 2,886 pounds with a moment of 101,673.78 before
several alterations were made. The alterations included:
1. removing two passenger seats (15 pounds each) at +71;
2. installing a cabinet (97 pounds) at +71;
3. installing a seat and safety belt (20 pounds) at +71; and
4. installing radio equipment (30 pounds) at +94.
The alterations caused the new empty weight CG to move correct answers - 1.62
inches aft of the original empty weight CG.
, A 14-ohm resistor is to be installed in a series circuit carrying .05 ampere. How much
power will the resistor be required to dissipate? correct answers - At least 35 milliwatts.
Certificated mechanics with a powerplant rating may perform? correct answers - 100-
hour inspections required by the Federal Aviation Regulations on powerplants,
propellers, or any components thereof, and may release the same to service.
Which tool can be used to measure the alignment of a rotor shaft or the plane of rotation
of a disk? correct answers - Dial indicator.
The best tool to use when cutting aluminum tubing, or any tubing of moderately soft
metal is a correct answers - Hand operated wheel-type tubing cutter.
Which of the following would best illustrate complacency? correct answers - Jill checks
off an inspection checklist item she didn't do because it is not a critical component and
she has never found any defects on all her previous inspections.
The replacement of fabric on fabric-covered parts such as wings, fuselages, stabilizers,
or control surfaces is considered to be a correct answers - Major repair even though no
other alteration or repair is performed.
When making a rearward weight and balance check to determine that the CG will not
exceed the rearward limit during extreme conditions, the items of useful load which
should be computed at their minimum weights are those located forward of the? correct
answers - Datum.
The electrolyte of a nickel cadmium battery is highest when the battery is? correct
answers - In a fully charged condition.
Circular magnetization of a part can be used to detect which defects? correct answers -
Defects parallel to the long axis of the part.
On a fillet weld, the penetration requirement includes what percentage(s) of the base
metal thickness? correct answers - 25 to 50 percent.
Each person performing an annual or 100-hour inspection shall use a checklist that
contains at least those items in the appendix of? correct answers - 14 CFR Part 43.
A primary reason why ordinary or otherwise nonapproved cleaning compounds should
not be used when washing aircraft is because their use can result in? correct answers -
Hydrogen embrittlement in metal structures.
During an annual inspection, if a defect is found which makes the aircraft unairworthy,
the person disapproving must? correct answers - Provide a written notice of the defect
to the owner.
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