Jeppesen General CH 1 Mathematics

C) 10 to the sixth power

(1-1) What power of 10 is equal to 1,000,000 A) 10 to 4th. B) 10 to 5th. or, C) 10 to 6th

B) 1/40

(1-16) Fraction equal to 0.0250 A) 1/4. B) 1/40. or, C) 1/400

C) 87.5%

(1-18) Express 7/8 as a percent. A) 8.75% B) .875% or, C) 87.5%

C) 140 RPM

(1-19) Speed of a spur gear with 42 teeth driven by a pinion gear with 14 teeth at 420 RPM A) 588 RPM. B) 160 RPM. or, C) 140 RPM

C, 16

(1-2) Which of the following is equal to the square root of {-1776}÷{-2}-632. A) 128. B) 256. or, C) 16

A) 80

(1-20) An engine developing 108 HP at 87% power would develop how many HP AT 65% power A) 80. B) 70. or, C) 64

A) 1/16

(1-22) Fractional equivalent of 0.0625 A) 1/16. B) 1/32. or, C) 3/64

A) 12

(1-38) Solve figure 69 Equation or, square root of 100 plus square root of 36 minus square root of 16. A) 12. B) 60. or, C) 76.

C) 5

(1-39) Solve figure 52 Equation. A) 115. B) 4.472. or, C) 5

C) 9,801

(1-4) 8,019.0514 x 1/81 is equal to the square of A) 9,108. B) 9,081. or, C) 9,801.

A) 10.

(1-46) 1/2{-30+34}5 A) 10. B) 95. or, C) 160.

C) 1118 x 10 to the Negative 2nd

(1-10) Square Root of 124.9924 A) 111.8 x 10 to the 3rd. B) 0.1118 x 10 to Negative 2. or, C) 1,118 x 10 to the Negative 2nd.

C, 256

(1-11) Square root of 16 raised to the 4th power A) 1024. B) 4096. or, C) 256.

A, 349.24

(1-12) 7 Raised to the 3rd power plus the square root of 39 A) 349.24. B) .34924. or, C) 343.24.

C, .42708 x 10 to the 2nd

(1-13) Square root of 1824 A) 42.708 x 10 to Negative 2nd. B) .42708. or, C) .42708 x 10 to the 2nd.

C) 10 to the 9th power

(1-14) Power of 10 equal to 1,000,000,000 A) 6th. B) 10th. or, C) 9th. Power

C) .0419

(1-15) solve figure 53 equation or, square root of 31 + square root of 43 ÷ product of 17 squared. A) .0297. B) .1680. or, C) .0419.

C) 39/32

(1-17) 1.21875 is equal to A) 83/64. B) 19/16. or, C) 39/32.

A) .5625

(1-21) A bolt 1 & 1/2 inch long, a shank of 1 & 3/16 inch & threads 5/8 inch, will have a grip length of A) .5625. B) .8750. or, C) .3125.

C) 62.5%

(1-23) Express 5/8 as a percent A) .625% B) 6.25% or, C) 62.5%

C) 1:1.8

(1-24) Speed ratio of a 36 tooth input meshed to a 20 tooth gear A) 9:5. B) 1:0.56. or, C) 1:1.8

B) 420 RPM

(1-25) Speed of a pinion gear with 14 teeth is driving a spur gear with 42 teeth at 140 RPM A) 588 RPM. B) 420 RPM. or, C) 240 RPM.

C) 73.50

(1-26) 98HP engine running at 75% power produces how many HP A) 87.00 B) 33.30 or, C) 73.50

C) $130.00

(1-27) how much does a magneto cost if sold for $145.60 if profit is 12% A) $128.12 B) $125.60 or, C) $130.00

A) 11/64

(1-28) Nearest Fractional drill size to be used when blueprint shows a hole of 0.17187 A) 11/64. B) 9/32. or, C) 11/32.

B) 3,023

(1-29) An engine turning 1,965 RPM at 65% Power has a max RPM of A) 2,653. B) 3,023. or, C) 3,242

C, 61.0097

(1-3) Find the square root of 3,732.1835. A) 61.00971. B) 61.00. or, C) 61.0097.

B) 0.4844

(1-30) Decimal most nearly equal to a bend radius of 31/64 A) 0.2065. B) 0.4844. or, C) 0.3164

A) 81%

(1-31) 65 engines are what percent of 80 A) 81% B) 65% or, C) 52%

B) 0.4375

(1-32) Decimal most nearly equal to 7/32 A) 0.2187. B) 0.4375. or, C) 0.3531

A) 4:1

(1-33) Ratio of 10 feet to 30 inches A) 4:1. B) 1:3. or, C) 3:1.

A) 75.9%

(1-34) 15 parts with a max life of 1,100 hours were removed from different aircraft with an average of 835.3 hours. What percent of max life is achieved A) 75.9% B) 76.9% or, C) 75.0%

A) 5:7

(1-35) Ratio of a gasoline fuel load of 200 gallons to one of 1,680 pounds A) 5:7. B) 2:3. or, C) 5:42

B) -5.20

(1-36) Solve figure 59 equation or 125÷ -4 ÷ product of -36÷ -6. A) +31.25. B) -5.20. or, C) -31.25.

B) -15

(1-40) [4 × -3] + [-9 × 2] ÷ 2 A) -30 B) -15 C) -5

C) 32

(1-41) [64 × 3/8] ÷ 3/4 A) 18. B) 24. or, C) 32.

C) 72

(1-42) [32 × 3/8] ÷ 1/6 A) 12. B) 2. or, C) 72.

A) 82

(1-43) 4 -3 [-6 {2 + 3} + 4] A) 82. B) -25. or, C) -71.

C) -96

(1-44) -6[-9{-8+4} -2{7+3}] A) -332. B) 216. or, C) -96.

A) 22.

(1-45) {-3+2}{-12-4} + {-4+6} x3 A) 20. B) 22. or, C) 28.

C) 14.00

(1-47) Solve figure 58. equation A) 174.85. B) -81.49. or, C) 14.00

A) 11.9

(1-48) Solve figure 60. Equation A) 11.9 B) 11.7 or, C) 11.09

A) 1

(1-49) Refer to fig 70. which alternative answer is equal to 5.59? A) 1. B) 2. or, C) 3.

C) 262,144

(1-5) Find the cube of 64 A) 4. B) 192. or, C) 262,144.

A) 200

(1-50) Airplane flying 750 miles on 60 gallons of gasoline, will need how many gallons to travel 2500 miles A) 200. B) 31,250. or, C) 9,375.

B) 240

(1-51) Airplane flying 875 miles on 70 gallons of gasoline, will need how many gallons to travel 3000 miles A) 250. B) 240. or, C) 144.

C) 20" x 25-9/64"

(1-52) Size of sheet metal required to fabricate a cylinder 20" long and 8" in diamete. note C=pi × D A) 20" × 25-5/32". B) 20" x 24-9/64". or, C) 20" x 25-9/64"

A) 12.5

(1-53) A rectangular shaped fuel tank measures 60" in length, 30" in width & 12" in depth. How many cubic feet are within the tank? A) 12.5. B) 15.0. or, C) 21.0.

B) 8.0 cubic feet

(1-54) Select container size equal in volume to 60 gallons of fuel A) 7.5 cubic feet. B) 8.0 cubic feet. or, C) 8.5 cubic feet.

B) 75

(1-56) 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? note 7.5 gal = 1 cu. ft. A) 66.6. B) 75. or, C) 45.

B) 8.83

(1-57) A rectangular-shaped fuel tank measures 27-1/2 inches in length, 3/4 foot in width, and 8-1/4 inches in depth. How many gallons will the tank contain? note 231 cu. in. =1 gal A) 7.366 B) 8.83 or, C) 170.156

A) 200 cubic inches

(1-58) A four-cyl engine has a bore of 3.78" & is 8.5" deep. With the piston on BDC the piston top measures 4.0" from cylinder bottom. What is the piston displacement. A) 200 cubic inches. B) 360 cubic inches. or, C) 235 cubic inches.

C) 4,331.25

(1-59) 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! A) 525. B) 433.125. Or, C) 4,331.25

B) 0.000001

(1-6) Value of 10 raised to -6th power A) 0.000010, B) 0.000001. or, C) 0.0001.

B) 259.77 cubic inches.

(1-60) A six-cylinder engine with a bore of 3.5 inches, a cylinder height of 7 inches and a stroke of 4.5 inches will have a total piston displacement of A) 256.88 cubic inches. B) 259.77 cubic inches. C) 43.3 cubic inches.

B) 315.375 sq. in.

(1-61) What is the surface area of a cube where a side (edge) measures 7.25 inches? A) 381.078 cu. in. B) 315.375 sq. in. C) 52.5625 sq. in.

A) 52.5 square feet

(1-62) Refer to figure 54, Compute the area of the trapezoid. A) 52.5 square feet B) 60 square feet C) 76.5 square feet

B) 6 square inches

(1-63) Refer to figure 55. Find the area of the triangle shown. A) 12 square inches B) 6 square inches C) 15 square inches

B) 63 square inches

(1-65) Refer to figure 57. Determine The area of the triangle formed by points A,B,& C A to B = 7.5 inches A to D = 16.8 inches A) 42 square inches. B) 63 square inches. or, C) 126 square inches

C) 381.7 cubic inches

(1-66) Refer to figure 71. What is the volume of a spare with a radius of 4.5 inches note V= 1/6× pi x D cubed A) 47.71 cubic inches. B) 381.7 square inches. or, C) 381.7 cubic inches.

A) 32

(1-7) Square root of 4 raised to 5th power A) 32. B) 64. or, C) 20.

C) .000347

(1-8) 3.47 x 10 to -4th power A) .00347. B) 34,700. or, C) .000347

A) 1.63 to the 4th

(1-9) Which is equal to 16,300 A) 1.63 to the 4th. B) 1.63 to the 3rd. or, C) 1.63 to minus 2nd.

B) 7.0686

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. B) 7.0686 cubic inches. or, C) 6.1541 cubic inches.

Arithmetic

Section A

Algebra

Section B

Geometry & Trigonometry

Section C