Airframe and Powerplant – General Exam
Questions And Answers
Describe the result of adding a large positive number and a smaller
negative number -
correct answer ✅result is smaller positive number, same as
ignoring the signs and subtracting smaller number
How do you convert a fraction into a decimal? -
correct answer ✅Divide the top number by bottom number
What is the key step in order to add or subtract unlike fractions -
correct answer ✅finding the lowest common denominator
How do you divide one fraction by another -
correct answer ✅Invert divisor (flip over the second fraction) and
multiply both numerators and denominators (top and bottom
numbers)
How can you convert a decimal into a percent -
correct answer ✅Multiply decimal by 100 and add % sign, or move
decimal TWO places to the RIGHT and add %
,Airframe and Powerplant – General Exam
Questions And Answers
How do you convert a fraction to a percent -
correct answer ✅Convert to decimal, move decimal two places to
the right, add %
How do you change a decimal to nearest equivalent fraction -
correct answer ✅Multiply decimal by desired denominator, result
becomes numerator of fraction (try to get closest to whole number)
Two different ways a ratio can be expressed? -
correct answer ✅1- as a fraction
2- placing a colon between the numbers (5:54)
3- using the word "to" between the numbers
What is a proportion? -
correct answer ✅a statement of equality (=) between two or more
ratios: 1/2 = 4/8, 45/90 = x/100
What is meant by the root of a number? -
correct answer ✅A root is two or more equal smaller numbers
that when multiplied equal the specified number: the second
(square) root of 9 is 3, the fifth root of 32 is 2
, Airframe and Powerplant – General Exam
Questions And Answers
How do you find the square of a number? Give an example. -
correct answer ✅multiply the number times itself- 4 X 4=16, 10 X
10= 100
What is a common method of making computations involving very
large or very small numbers more manageable? -
correct answer ✅Convert the numbers into scientific notation by
using powers of 10. (7,234,000= 7.234 X 10^6)
How is 100,000 expressed as a power of 10? -
correct answer ✅10 to the fifth
what formula is used to find the area of a rectangle? -
correct answer ✅A=L(length) X W(width)
Area of a triangle? -
correct answer ✅1/2 X B (base) X H (height)
Define Pi -
correct answer ✅A constant that expresses the relationship
between circumference and diameter of a circle, approximately
Questions And Answers
Describe the result of adding a large positive number and a smaller
negative number -
correct answer ✅result is smaller positive number, same as
ignoring the signs and subtracting smaller number
How do you convert a fraction into a decimal? -
correct answer ✅Divide the top number by bottom number
What is the key step in order to add or subtract unlike fractions -
correct answer ✅finding the lowest common denominator
How do you divide one fraction by another -
correct answer ✅Invert divisor (flip over the second fraction) and
multiply both numerators and denominators (top and bottom
numbers)
How can you convert a decimal into a percent -
correct answer ✅Multiply decimal by 100 and add % sign, or move
decimal TWO places to the RIGHT and add %
,Airframe and Powerplant – General Exam
Questions And Answers
How do you convert a fraction to a percent -
correct answer ✅Convert to decimal, move decimal two places to
the right, add %
How do you change a decimal to nearest equivalent fraction -
correct answer ✅Multiply decimal by desired denominator, result
becomes numerator of fraction (try to get closest to whole number)
Two different ways a ratio can be expressed? -
correct answer ✅1- as a fraction
2- placing a colon between the numbers (5:54)
3- using the word "to" between the numbers
What is a proportion? -
correct answer ✅a statement of equality (=) between two or more
ratios: 1/2 = 4/8, 45/90 = x/100
What is meant by the root of a number? -
correct answer ✅A root is two or more equal smaller numbers
that when multiplied equal the specified number: the second
(square) root of 9 is 3, the fifth root of 32 is 2
, Airframe and Powerplant – General Exam
Questions And Answers
How do you find the square of a number? Give an example. -
correct answer ✅multiply the number times itself- 4 X 4=16, 10 X
10= 100
What is a common method of making computations involving very
large or very small numbers more manageable? -
correct answer ✅Convert the numbers into scientific notation by
using powers of 10. (7,234,000= 7.234 X 10^6)
How is 100,000 expressed as a power of 10? -
correct answer ✅10 to the fifth
what formula is used to find the area of a rectangle? -
correct answer ✅A=L(length) X W(width)
Area of a triangle? -
correct answer ✅1/2 X B (base) X H (height)
Define Pi -
correct answer ✅A constant that expresses the relationship
between circumference and diameter of a circle, approximately
