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A&P General Oral Practice Questions > Basic Physics > Flashcards

Basic Physics Flashcards

1
Q
  1. What is matter?
A

Anything that occupies space & has mass

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2
Q
  1. What are the different states of matter?
A

Solid
Liquid
Gas
Plasma

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3
Q
  1. What are two types of fluids?
A

Liquids & gas

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4
Q
  1. When a fluid passes through the middle section of a Venturi, what pressure & velocity change occurs?
A

Pressure drops & velocity increases

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5
Q
  1. Are liquids compressible?
A

No

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6
Q
  1. What is the standard atmospheric pressure at sea level?
A

29.92 inches of HG

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7
Q
  1. What is the standard day temperature?
A

59 degrees F

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8
Q
  1. What is the name of the atmospheric phenomenon where cool are is trapped near the earth by warm air?
A

Temperature Inversion

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9
Q
  1. What is the speed of sound through the air under standard sea level conditions?
A

662 knots or 761 mph

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10
Q
  1. What is meant by the density of air?
A

The mass of a given volume of air

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11
Q
  1. What determine the density of the air?
A

Temperature & pressure acting on it

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12
Q
  1. What does specific gravity mean?
A

Ratio of pure water to substance’s density

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13
Q
  1. What are the three basic parts of a lever?
A

Fulcrum
Force of effort
Resistance

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14
Q
  1. What is a first class lever, and give an example?
A

When a fulcrum is located between the effort and the resistance. I.E. a seesaw

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15
Q
  1. In what direction is force transmitted to a confined liquid?
A

Force is transmitted equally in all directions because it cannot be compressed

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16
Q
  1. What is the formula for computing force, pressure, and area?
A

Force = pressure x area

17
Q
  1. What is kinetic energy?
A

Energy created from its movement

18
Q
  1. What is potential energy?
A

Energy that is stored and can be turned into kinetic energy

19
Q
  1. What is absolute zero?
A

-273 degrees C all motion of atoms cease

20
Q
  1. What are the two factors involved in work?
A

Force & movement through a measurable distance

21
Q
  1. How is pressure expressed in hydraulics and pneumatics?
A

Pounds per square inch (PSI)

22
Q
  1. Name the forms of energy that can be converted into heat energy?
A 
Mechanical 
Electrical
Chemical
Radiant
Nuclear
Solar
23
Q
  1. What are the three methods of heat transfer?
A

Conduction
Convection
Radiation

24
Q
  1. What are the three types of friction?
A

Rolling
Sliding
Static

25
Q
  1. What are the four forces experienced in flight?
A

Gravity
Thrust
Lift
Drag

26
Q
  1. What is an autorotation?
A

Helicopter rotor blades continue to spin without engine power as air flows through the rotor

27
Q
  1. How does blade flapping help compensate for dis symmetry of lift in a helicopter main rotor system?
A

By increasing the angle of attack on the retreating blade, & decreasing angle of attack on the advancing blade

28
Q
  1. What is the name of the imaginary line the runs from the leading edge to the trailer edge of an airfoil?
A

Chord line

29
Q
  1. What function do wing mounted vortex generators serve?
A

Prevent airflow separation from the upper surface of the wing

30
Q
  1. What is directional stability?
A

Ability of an aircraft to avoid yawing

31
Q
  1. What is magnetism?
A

Motion of electric charge, resulting in attractive & repulsive forces between objects

A&P General Oral Practice Questions (12 decks)

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