FAA GENERAL ORAL EXAM WITH 250
ACTUAL EXAM QUESTIONS AND WELL
ELABORATED ANSWERS UPDATE
ALREADY GRADED A (BRAND NEW!!)
What formula is used to find the area of a rectangle and of a triangle? - ANSWER-
Rectangle: A=LxW
Triangle: A=1/2(BxH)
Define Pi: - ANSWER-Pi is a constant that expresses the relationship between the circumference of a circle and its diameter and is approximately equal to 3.1416
Describe the result of adding a large positive number and a smaller negative number. - ANSWER-The result is a smaller positive number, and is the same as ignoring the signs and subtracting the smaller number from the larger.
How do you convert a fraction into a decimal? - ANSWER-Divide the top number (numerator) by the bottom number (denominator)
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 on fraction by another? - ANSWER-You invert the divisor an multiply the numerators together and the denominators together
How can you convert a decimal into a percent? - ANSWER-Multiply the decimal by 100 and add the percent sign. 1 / 4
How do you convert a fraction into a percent? - ANSWER-Convert it to a decimal, move the decimal point two places to the right and add the percent sign.
How do you change a decimal into the nearest equivalent fraction? - ANSWER- Multiply the decimal by the desired denominator. The result becomes the numerator in the fraction.
What are two different ways that a ration may be expressed? - ANSWER-1. As a Fraction
- By placing a colon between the two numbers
- By using the word "to" between the two numbers
What is a proportion? - ANSWER-A statement of equality between two or more ratios
What is meant by the root of a number? - ANSWER-A root is two or more equal smaller numbers that, when multiplied together, equal the specified number.
How do you find the square of a number? Give an example. - ANSWER-Multiply the number by itself. 2x2=4
What is a more common method of making computations involving very large or very small numbers more manageable? - ANSWER-Convert the numbers into scientific notation by using powers of 10.
How is 100,000 expressed as a power of 10? - ANSWER-10 to the 5th power.
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Describe a trapezoid. - ANSWER-A trapezoid is a closed, four-sided figure having two parallel sides and two sides that are not parallel.
What is the formula for computing the area of a circle? - ANSWER-A= (pi)r^2
Define matter: - ANSWER-Any substance that occupies space and has mass.
Matter may exist in what tree states? - ANSWER-Solid, liquid and gas.
Define kinetic energy. - ANSWER-Kinetic energy is the energy of motion
Work is the product of what two factors? - ANSWER-Force and the distance moved.
What are the parts of a lever? - ANSWER-A rigid bar and a pivot point called the fulcrum.
A wheelbarrow is an example of what class of lever? - ANSWER-A Second class lever
Are all three states of matter affected by the thermal expansion and if so, which state is affected most? - ANSWER-All three states are affected, with gases being affected the most
What is a British Thermal Unit? - ANSWER-The amount of heat energy required to change the temperature of 1 pound of water 1 degree Fahrenheit.
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Name the three methods of heat transfer? - ANSWER-Conduction convection and radiation.
What term defines the temperature at which all molecular motion ceases? - ANSWER-Absolute zero.
Can liquids be compressed? - ANSWER-No, liquids are generally considered incompressable.
What are the customary units used to express hydraulic of pneumatic pressure in the United States? - ANSWER-Pounds per Square Inch
Describe how pressure is transmitted when a force is applied to a confined liquid? - ANSWER-Pressure is transmitted equally in all directions.
What formula expresses the relationship between force, pressure and area? - ANSWER-Force equals area times pressure.
What is the approximate speed of sound at sea level on a standard day? - ANSWER-661 knots or 340 meters per second
What is the atmospheric pressure at sea level on a standard day? - ANSWER-29.92 inches of mercury or 1013.2 millibars.
On a standard day at sea level, what is the value for temperature - ANSWER-59 degrees f or 15 degrees c
What are the factors that determine density altitude? - ANSWER-Temperature and atmospheric pressure
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