Math Study Questions

## Mathematics Section A

**1A-1**

**1A-2**

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

**1A-3**

**1A-4**

**1A-5**

**1A-6**

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

**1A-7**

**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**

**1A-14**

**1A-15**

**1A-16**

**1A-17**

**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**

**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**

**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**

- Refer to General Figure 59

**1A-40**

- Refer to Figure 65. Which of the figures is using scientific notation.

## Mathematics Section B

**1B-1**

- Refer to Figure 69 Solve the equation.

**1B-2**

- Refer to General Figure 52 Solve the equation.

**1B-3**

**1B-4**

**1B-5**

**1B-6**

**1B-7**

**1B-8**

**1B-9**

**1B-10**

**1B-11**

- Refer to general figure 58 Solve the equation

**1B-12**

- Refer to general figure 60 Solve the equation

**1B-13**

**Reserved**

**1B-14**

- Refer to general figure 70 Which alternative answer is equal to 5.59?

**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?

**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

**1C-10**

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

**1C-11**

- Refer to general figure 54 Compute the area of the trapezoid.

**1C-12**

- Refer to general figure 55 Find the area of the triangle shown.

**1C-13**

- Refer to general figure 56 Compute the area of the trapezoid.

**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**

- Refer to general figure 71 What is the volume of a sphere with a radius of 4.5 inches?

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