Answers Graded A+
describe the result of adding a large positive number to a smaller negative number
- ANSWER--a smaller positive number
how do you convert a fraction to a decimal - ANSWER--divide the top number by
the bottom number
what is the key step that must be performed in order to add or subtract unlike
fractions - ANSWER--you must find the lowest common denominator
how do you divide 1 fraction by another fraction - ANSWER--invert the divisor
and multiply the numerators and denominators
how can you convert a decimal to a percent - ANSWER--multiply the decimal by
100 and add a percent sign
how do you convert a fraction to a percent - ANSWER--convert to a decimal, then
multiply by 100
how can you convert a decimal to the nearest equivalent fraction - ANSWER--
multiple the decimal by the desired denominator. the result is the numerator
what are 2 different ways a ration can be expressed - ANSWER--as a fraction, with
a colon between 2 numbers, using the word "to" between 2 numbers
what is a proportion - ANSWER--a statement of equality between 2 or more ratios
what is meant by the root of a number - ANSWER--a root is 2 or more equal
smaller numbers that when multiply together equal the specified number
how do you find a square of a number - ANSWER--multiply it by itself
what is a common method of making computations involving very large or very
small numbers - ANSWER--convert the numbers into scientific notation
how is 100,000 expressed as a power of 10 - ANSWER--10 to the power of 5
what is the formula used to find the area of a rectangle and of a triangle -
ANSWER--rectangle=L*W
, FAA General Oral Exam Questions With Correct
Answers Graded A+
Triangle=.5B*H
define pi - ANSWER--pi is a constant that expresses the relationship between the
circumference of a circle and its diameter. approx equal to 3.146
describe a trapezoid - ANSWER--a closed 4 sided figure with 2 parallel side and 2
sides that are not parallel
what is the formula for computing the area of a circle - ANSWER--pi*r^2
define matter - ANSWER--any substance that occupies space and has mass
matter may exist in what 3 states - ANSWER--solid liquid and gas
define kinetic energy - ANSWER--energy in motion
work is the product of what 2 factors - ANSWER--force and distance moved
what are the parts of a lever - ANSWER--a rigid bar and a pivot point called a
fulcrum
a wheelbarrow is an example of what type of lever - ANSWER--2nd class
are all 3 states of matter affected by thermal expansion and if so what state is
affected the most - ANSWER--yes, gas
what is a British thermal unit - ANSWER--he amount of heat energy required to
change 1 lb of water 1 degree farenheit
name the 3 methods of heat transfer - ANSWER--convection, radiation,
conduction
what term defines the temp at which all molecular motion stops - ANSWER--
absolute 0
can liquids be compressed - ANSWER--no
, FAA General Oral Exam Questions With Correct
Answers Graded A+
what are the customary units to express hydraulic or pneumatic pressure in the U.S
- ANSWER--PSI
describe how pressure is transmitted when a force is applied to a confined liquid -
ANSWER--transmitted equally in all directions
what formula expresses the relationship between force pressure and area -
ANSWER--force=pressure*area
what is the approximate speed of sound at sea level on a standard day - ANSWER-
-661 knots
what is the atmospheric pressure at sea level on a standard day - ANSWER--29.92
inches of mercury
on a standard day, what is the value for temp - ANSWER--59 degrees F
what are the factors that determine density altitude - ANSWER--temp and
atmospheric pressure
what is the term used to describe the ratio between the amount of moisture actually
present in the atmosphere as compared to the amount the air could hold if it were
completely staturated - ANSWER--relative humidity
what are the 4 forces acting on an airplane in flight - ANSWER--lift, gravity, thrust
and drag
what is the term that describes the angle between the relative wind and the chord
line of an airfoil - ANSWER--the angle of attack
what are the factors that will cause an airplane to stall - ANSWER--angle of attack
exceeds a critical angle and the airflow separates from the upper surface and
become turbulent
what are the principle effects that result from lowering flaps while in flight -
ANSWER--lift increases, drag increases and stall speed decreases