MATHEMATICS

70問 • 1年前

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

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

Select the fractional equivalent for a 0.0625-inch- thick sheet of aluminum.

1/16

Which if the figure is using scientific notation? 1. 3.47x 104 = 34, 700 2. 2(410) 2,097,152

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

0.4844

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

1:1.8

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

349.24

A blueprint shows a hole of 0.171787 to be drilled. Which fraction size drill bit is most nearly equal?

11/64

Express 7/8 as a percent.

87.5 percent

Which alternative answer is equal to 16,300?

1.63x10 to the fourth power.

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 he approximate piston displacement of this engine?

200 cubic inches

The total piston displacement of a specific engine is

The volume displaced by all the pistons during one revolution of the crankshaft.

Find the area of the triangle shown. 3” 7.5” 4”

6 square inches

Maximum life for a certain part is 1100 hours. Recently, 15 of these parts were removed from different aircraft with an average life of 835.3 hours. What percent of the maximum part life has been achieved?

75.9 percent

Find the value of 10 raised to the negative sixth power.

0.000001

What is the ratio of 10 feet to 30 inches?

4:1

Solve the equation. -6[-9(-8+4)-2(7+3)] =

-96

Solve the equation √31 2 + √43 2 (17)2 =

.0419.

Solve the equation. 4- 3[-6(2+3) + 4] =

What size of sheet metal is required to fabricate a cylinder 20 inches long and 8 inches in diameter? (note C= pi x D)

20 inches x25-9/64 inches.

1.21875 is equal to

39/32

An engine develops 108 horse power at 87 percent power. What horsepower would be developed at 65 percent power?

Select the fraction which is equal to 0.0250.

1/40

Find the square root of 1824

42.708x10 to the negative second power

Find the square root of 1746

41.7852

The parts department’s profit is 12 percent on a new part. How much does the part cost if the selling rice is $145.60?

$130.00

Find the square root of 3,722.1835

61.0097

A certain aircraft bolt has an overall length of 1-1/2 inches, with a shank length of 1-3/16 inches, and a threaded portio length of 5/8 inch. What s the grip length.

5625 inch

Find the cube of 64

262, 144

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

315.375 sq. in.

. A rectangular shaped fuel tank measures 27-1/2 inches in length, ¾ foot in width, and 8-1/4 inches in depth. How (231 cu in = 1 gal)

8.83

Solve the equation (√100 + √36 − √16=

Sixty-five engines are what percent of 80 engines?

81 percent

Solve the equation (−35 + 25)(−7) + (𝜋)(16)−2 √25

14.002

Convert the binary number 1111 to decimal form.

What is the ratio of a gasoline fuel load of 200 gallons to one of 1680 pounds?

5:7

What is defined as a group of bits representing a complete piece of information?

Byte

Solve the equation. (64x3/8) ÷ ¾ =

What power of 10 is equal to 1,000,000,000?

10 to the ninth power

If the volume of a cylinder with the piston at the bottom center is 84 cubic inches and the piston displacement is 70 cubic inches, then the compression ratio is

6:1

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

200

What is the piston displacement of a master cylinder with a 1.5 inch diameter bore and a piston stroke of 4 inches?

7.0686 cubic inches

Find the square root of 124.924

1,118x10 to the negative second power

Compute the area of trapezoid. 4 inches 2 inches 6 inches

10 square feet

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

12.5

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

140 RPM

Which alternative answer is equal to 5.59?

(√𝟑𝟏) + (√𝟒𝟑) ÷ 𝟏𝟕𝟐

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

0.4375

If an engine is turning 1,965 rpm at 65 percent power, what is its maximum rpm?

3023

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

420 RPM

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 B C A D

63 square inches

How much current does a 30-volt, 1/2 horsepower motor that is 85 percent efficient draw from the bus? (note: 1 horsepower = 746 watts)

14.6 amperes

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

What force is exerted on the piston in a hydraulic cylinder if the area of piston is 1.2 square inches and the fluid pressure is 850 PSI?

1,020 pounds

A 6 cylinder engine with bore of 3.5 inches, a cylinder height of 7 inches and a stroke of 4.5 inches will have total piston displacement of

259.77 cubic inches

Solve the equation. −4√125 −6√−36 =

-5.20

What is the squareroot of 16 raised to the fourth power?

256

The number 3.47x 10 to the negative fourth power is equal to

000347

Solve the equation (−5 + 23)(−2) + (3−3)(√64) −27 ÷ 9

11.9

Select the decimal which is most nearly equal to 77/64

1.2031

Solve the equation. (32x 3/8) ÷ 1/6 =

Solve the equation. ½ (-30+34)5

Solve the equation. [4 x -3) +(-9x2)] ÷2=

-15

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

4331.25

Compute the area of the trapezoid 9’ 5’ 12’

52.5 square feet

Express 5/8 as a percent

62.5 percent

An engine of 98 horse power maximum Is running at 75 percent power. What is the horsepower being developed?

73.50

Solve the equation. (-3+2) (-12 – 4)+(-4+6) x3

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

8.0 cubic feet

Solve the equation. -4+6+103 (√1296) =

36002

airlaw

ユーザ名非公開 · 119問 · 1年前

airlaw