Math Study Questions

## Mathematics Section A

1A-1

• What power of ten is equal to 1,000,000.

1A-2

• Which of the following is equal to the square root of (-1776 / -2) - 632?

1A-3

• Find the square root of 3,722.1835.

1A-4

• 8,019.0514 * 1/181 is equal to the square root of.

1A-5

1A-6

• Find the value of 10 raised to the -6 power

1A-7

• What is the square root of 4 raised to the 5th power?

1A-8

• The number 3.47 multiplied by 10 to the negative fourth power is equal to?

1A-9

• Which alternative answer is equal to 16,300?

1A-10

• Find the square root of 124.9924

1A-11

• What is the square root of 16 raised to the 4th power?

1A-12

• The result of 7 raised to the third power plus the square root of 39 is equal to?

1A-13

• Find the square root of 1,824

1A-14

• What power of ten is equal to 1,000,000,000?

1A-15

1A-16

1A-17

• Select the fraction which is equal to 0.0250.

1A-18

1A-19

• If the volume of a cylinder with the piston at bottom center is 84in^3 and the piston displacement is 70in^3 the compression ratio is.

1A-20

1A-21

• What is the speed of a spur gear with 42 teeth driven by a pinion gear with 14 teeth turning at 420 RPM?

1A-22

• An engine develops 108 horsepower at 87% power what horsepower would be developed at 65% power?

1A-23

• A certain aircraft bolt has an overall length of 1 1/2 inches with a shank length of 1 3/16 inch and a threaded portion length 5/8 inch what is the grip length?

1A-24

• Select the fraction equivalent for a 0.0625 inch thickness of aluminium

1A-25

1A-26

• What is the speed ratio of the input gear with 36 teeth meshed to a gear with 20 teeth?

1A-27

• A pinion gear with 14 teeth is driving a spur gear with 42 teeth at 140RPM. Determine the speed of the pinion gear.

1A-28

• An engine of 98 horsepower maximum is running at 75% power. What is the horsepower being developed?

1A-29

• The parts department profit is 12% on a new magneto. How much does the new magneto cost if the selling price is \$145.60?

1A-30

• A blue print shows a hole of 0.17187 to be drilled. Which fraction size drill bit is most nearly equal?

1A-31

• If an engine is turning 1,965 RPM at 65% power what is the maximum RPM?

1A-32

• Which decimal is most nearly equal to a bend radius of 31/64?

1A-33

• 64 engines are what percentage of 80 engines?

1A-34

• The radius of a piece of round stock is 7/32. Select the decimal which is most nearly equal to the diameter.

1A-35

• Maximum life for a certain part is 1,100 hours. Recently 15 of these parts were removed from different aircraft with an average life of 835.3 hours. What percentage of the maximum part life has been achieved.

1A-36

• What is the ratio of ten feet to thirty inches.

1A-37

• Maximum life for a certain part is 1,100 hours. Recently 15 of these parts were removed from different aircraft with an average life of 835.3 hours. What percentage of the maximum part life has been achieved.

1A-38

• What is the ration of a gasoline fuel load of 200 gallons to one of 1,680lbs?

1A-39

1A-40

## Mathematics Section B

1B-1

1B-2

1B-3

1B-4

1B-5

1B-6

1B-7

1B-8

1B-9

1B-10

1B-11

1B-12

1B-13
Reserved

1B-14

1B-15

• An airplane flying a distance of 750 miles used 60 galons of gasoline. How many gallons will it need to travel 2,500 miles?

1B-16

• An airplane flying a distance of 875 miles used 70 gallons of gasoline. How many gallons will it need to travel 3,000 miles?

## Mathematics Section C

1C-1

• What size sheet of metal is required t fabricate a cylinder 20 inches long and inches in diameter? (Note: C = (3.1416)D)

1C-2

• A rectangular-shaped fuel tank measures 60 inches in length, 30 inches in width, and 12 inches in depth. How many cubic feet are within the tank?

1C-3

• Select the container size that will be equal in volume to 60 gallons of fuel. (7.5gal = 1 cu. ft.)

1C-4

• What is the piston displacement of a master cylinder with a 1.5 inch diameter bore and a piston stroke of 4 inches?
• A - 9.4247 cubic inches Answer
• B - 7.0686 cubic inches Answer
• C - 6.1541 cubic inches Answer

1C-5

• How many gallon of fuel will be contained in a rectangular-shaped tank with masures 2 feet in width, 3 feet in length, and 1 foot 8 inches in depth? (7.5 gal = 1 cu. ft.)

1C-6

• A rectangular-shaped fuel tank measures 27 and 1/2 inches in length, 3/4 foot in width, and 8 and 1/4 inches in depth. How many galons will the tank contain? (231 cu in. = 1 gal)

1C-7

• A four-cylinder aircraft engine has a cylinder bore of 3.78 inches and is 8.5 inches deep. With the piston on bottom center, the top of the piston measures 4.0 inches from the bottom of the cylinder. What is the approximate piston displacement of this engine?

1C-8

• A rectangular-shaped fuel tank measures 37 and 1/2 inches in length, 14 inches in width, and 8 and 1/4 inches in depth. How many cubic inches are within the tank?

1C-9

• A six-cylinder engine with a bore of 3.5 inches, a cylinder height o 7 inches and a stroke of 4.5 inches will have a total piston displacement of
• A - 256.88 cubic inches Answer
• B - 259.77 cubic inches Answer
• C - 43.3 cubic inches Answer

1C-10

• What is the surface area of a cube where a side measures (edge) 7.25?

1C-11

1C-12

1C-13

1C-14

• Refer to general figure 57 Determine the area of the triangle formed by points A, B, and C. A to B = 7.5 inches. A to D = 16.8 inches

1C-15

page revision: 4, last edited: 16 Oct 2009 19:39