Exam (elaborations)
FAA A&P Mechanics General Oral and Practical Questions and Answers
- Course
- Institution
FAA A&P Mechanics General Oral and Practical Questions and Answers
[Show more]
Content preview
FAA A&P Mechanics General Oral andPractical Questions and Answers
What is the most important law applicable to the study of electricity? - -
Ohm's Law (I = E ÷R)
- What are the elements of Ohm's Law? - -Voltage (E), current (I), and
resistance (R)
- What are the sources of electrical power? - -Mechanical (generator),
chemical (battery), photoelectric (light), and thermal (heat)
- What does an electrical circuit consist of? - -A source of electrical pressure
or EMF, resistance in the form of an energy consuming electrical device or
load, and conductors, usually in the form of copper or aluminum wires, to
provide a path for electron flow.
- What represents capacitance in an AC circuit? - -A capacitor (condenser)
- What is the function of a capacitor? - -To store electricity
- What is inductance? - -A voltage that is induced in a coil in an AC circuit.
This voltage is opposite in direction to the applied voltage, and opposes any
change in the alternating current.
- What is impedance? - -It is the combined effect of resistance, inductive
reactance, and capacitive reactance in an AC circuit
- What is the unit of measurement of power in a DC circuit? - -The watt.
Amperes times volts equals watts (P = I × E). 746 watts equals 1
horsepower.
- What is a kilowatt? - -It is 1,000 watts
- In a DC circuit, what occurs when voltage is increased while resistance
remains constant? - -There will be an increase in current.
- What are three types of DC electrical circuits? - -They are series circuits,
parallel cicuits, and series-parallel circuits
- A 24 volt lead-acid battery has how many cells? - -It has 12 cells. Each cell
is rated at 2 volts.
, - What should be the specific gravity of the electrolyte in a fully charged
lead-acid battery? - -It should be between 1.275 and 1.300
- What instrument is used to determine the specific gravity of the electrolyte
in a lead-acid battery? - -A hydrometer
- Why can't a hydrometer be used to determine the charge of a nickel-
cadmium battery? - -The specific gravity of the electrolyte in a nickel-
cadmium battery does not change appreciably during charge or discharge of
the battery
- When using a hydrometer to check the charge of a lead-acid battery, at
what temperatures must a correction factor be applied to the reading? - -
Adjustments must be made if the temperature of the elextrolyte is above
90°F or below 70°F.
- What is electromagnetic induction? - -It is the transfer of electrical energy
by means of a magnetic field. This is the principle of transformer operation.
- How are battery compartments protected against corrosion? - -They are
coated with special corrosion resistant paints such as bituminous paint
- What should be the correct electrolyte level in a properly serviced battery?
- -It should be approximately 3/8 inches above the plates. If the battery has
baffle plates above the cell plates, the electrolyte level should be up to the
holes in the baffle plate in each cell
- What type of lines are used on aircraft drawings to indicate hidden views? -
-A hidden view line is a medium width line made up of short dashes. It
represents an edge that cannot be seen when looking at the part from a
specific postion
- What type of lines are used on aircraft drawings to indicate alternate
positions? - -Alternate position lines are medium width lines composed of
one long and two short evenly spaced dashes. They are used to show the
alternate position of a part or the relative position of a missing part
- What type of lines are used on aircraft drawings to indicate center lines? -
-Center lines are composed of alternate long and short dashes, and are used
to indicate the center of an object or part of an object
- Define "tolerance" as used in aircraft drawings - -It is the sum of plus and
minus allowence figures when a dimension shows an allowable variation
- Define "clearance" as used in aircraft drawings - -Clearance is the
dimension given for fits between moving parts
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Nursephil2023. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now