Worksheets1-100
Total questions: 100
Worksheet time: 50mins
Name
Class
Date
1.
1. 31x91x23x52= (Level 1)
a)
a) 3373
b)
b) 3374
c)
c) 3373916
2.
2. Work out the following sum: 4{2(5-1)-3}+8 (Level 1)
a)
a) 28
b)
b) 37
c)
c) 54
3.
3. Weight is equal to: (Level 1)
a)
a) Volume . Gravity
b)
b) Mass . Gravity
c)
c) Mass . Acceleration
4.
4. 200 kilovolts can be expressed as: (Level 1)
a)
a) 2000 volts
b)
b) 200,000 volts
c)
c) 20,000 volts
5.
5. 0.000006 volts can be written as: (Level 1)
a)
a) 6 megavolts
b)
b) 6 millivolts.
c)
c) 6 microvolts
6.
6. How many centimetres is in an inch? (Level 2)
a)
a) 25.4
b)
b) 2.54
c)
c) 0.254
7.
7. Convert 162 knots to MPH (Level 2)
a)
a) 186 mph
b)
b) 176 mph
c)
c) 196 mph
8.
8. Which of the fractions is equivalent to 0.075? (Level 2)
a)
a) 1/40
b)
b) 3/4
c)
c) 3/40
9.
9. The Lowest Common Denominator for the problem below is 1/6+1/5+1/17+1/2 (Level 2)
a)
a) 1020
b)
b) 510
c)
c) 102
10.
10. Convert into decimal the fraction 5/8 of 60 (Level 2)
a)
a) 40
b)
b) 37.5
c)
c) 37
11.
11. Algebra: (a . b)(a . b) = (Level 1)
a)
a) a² + 2ab + b²
b)
b) a²b²
c)
c) a² + b²
12.
12. Evaluate (3a + 2b)(2a-3b) = (Level 1)
a)
a) 6a - 5ab - 6b
b)
b) 6a² -5ab-6b²
c)
c) 6a + 5ab - 6b²
13.
13. 2x²z² (3x-z² ) = (Level 2)
a)
a) 6x²z² - 2x²z
b)
b) 6x²z² - 2x²z²
c)
c) 6x³z² - 2x²z4
14.
14. Remove the brackets and simplify: (x-y)(x-y) (Level 1)
a)
a) x² - 2xy - y²
b)
b) x² + y²
c)
c) x² - 2xy + y²
15.
15. Evaluate (3x² -6xy) / (x-2y) = (Level 1)
a)
a) Cannot be simplified further
b)
b) 3x-3y
c)
c) 3x
16.
16. Simplify 5(x-2y) + 3(2y-x) (Level 1)
a)
a) 4x + 4y
b)
b) 2x + 4y
c)
c) 2x - 4y
17.
17. (x - 3)(x + 5) = (Level 1)
a)
a) x² +2x
b)
b) x² +2x-15
c)
c) x² -15
18.
18. Simplify the following (w + z)(x - y)(y - w) / (y - x)(w - y)(w + z). (Level 1)
a)
a) -1
b)
b) 2
c)
c) 1
19.
19. Simplify 3x-2xy-3y +5xy-2x +2y (Level 2)
a)
a) x + 3xy-y
b)
b) 5x + 3xy - y
c)
c) x - 3xy + y
20.
20. Factorize the expression x² +7x+12 (Level 2)
a)
a) (x+3)(x+4)
b)
b) (x+2)(x+6)
c)
c) (x+1)(x+7)
21.
21. Factorize the expression 8x²-34x+21 (Level 2)
a)
a) (2x - 3)(4x - 7)
b)
b) (4x - 3)(2x - 7)
c)
c) (x - 3)(4x - 7)
22.
22. y = 5.x + 10, if y = 100, calculate x (Level 1)
a)
a) 18
b)
b) 20
c)
c) 16
23.
23. y = 10.x + 5, if y = 95, calculate x (Level 1)
a)
a) 10
b)
b) 9
c)
c) 8
24.
24. What is call for (x - 3 = 5)? (Level 1)
a)
a) The equation
b)
b) The calculation
c)
c) The solution
25.
25. Solve the equation x + 3 = 5x + 23 (Level 1)
a)
a) x = 5
b)
b) x = -3
c)
c) x = -5
26.
26. Solve the equation (x + 3)/3 = (x + 5)/2 (Level 2)
a)
a) x = -9
b)
b) x = -3
c)
c) x = 9
27.
27. Given: 5x+ 3y = 19; 3x + 2y = 12. Finding x, y (Level 2)
a)
a) x = 3, y = 3
b)
b) x = 2, y = 3
c)
c) x= 2, y = 2
28.
28. Given: 3x+ 4y = 29; 4x - y = 7. Finding x, y (Level 2)
a)
a) x = 3, y = 5
b)
b) x = 4, y = 6
c)
c) x = 4, y = 5
29.
29. Given: y² + 5y + 6 = 0. Finding y (Level 2)
a)
a) y = -5 or y = -3
b)
b) y = -4 or y = -4
c)
c) y = -2 or y = -3
30.
30. Given: 3x² + 22x + 35 = 0. Finding x (Level 2)
a)
a) x = -5 or x = -7
b)
b) x = -5 or x = -7/3
c)
c) x = -5 or x = -5/3
31.
31. Given: 5x² + 22x - 15 = 0. Finding x (Level 2)
a)
a) x = 3, x = - 5
b)
b) x = 3, x = - 6
c)
c) x = 3/5, x = - 7
32.
32. Log (A/B) equals: (Level 1)
a)
a) LogA - LogB
b)
b) LogA/LogB
c)
c) LogA - 1/LogB
33.
33. Log (A.B) equals: (Level 1)
a)
a) LogA + 1/LogB
b)
b) LogA + LogB
c)
c) LogA.LogB
34.
34. Calculate Log10² - Log10³ (Level 2)
a)
a) -1
b)
b) 1
c)
c) 0
35.
35. Simplify LogA9 - LogA4 (Level 2)
a)
a) 5.LogA
b)
b) Log5A
c)
c) LogA + 5
36.
36. Converts Binary Number 1100 to a Decimal (Level 2)
a)
a) 12
b)
b) 10
c)
c) 14
37.
37. Which of the following formula is correct for right-angled triangle ABC (angle A is 90deg ) shown? (Level 1)
a)
a) BC² = AB² + AC²
b)
b) AC² = AB² + BC²
c)
c) AB² = AC² + BC²
38.
38. A right-angled triangle has sides of 3 inches and 4 inches, what will the third side be? (Level 2)
a)
a) 5 inches
b)
b) 4 inches
c)
c) 6 inches
39.
39. Find the height of an isosceles triangle which has sides of length 13 cm and base of length 10 cm. (Level 2)
a)
a) 15
b)
b) 12
c)
c) 17
40.
40. Give the name of the triangle, which has two sides equal in length and two equal angles. (Level 1)
a)
a) Equilateral
b)
b) Isosceles
c)
c) Oblique
41.
41. An equilateral triangle has: (Level 1)
a)
a) Two equal side
b)
b) No equal sides
c)
c) Three equal sides
42.
42. A triangle with equal angles is called: (Level 1)
a)
a) Right angled
b)
b) Equilateral
c)
c) Acute
43.
43. For right-angled triangle ABC (angle C is 90deg) with sides AB=6cm; BC=4cm, calculate sin (angle A). (Level 2)
a)
a) 0.5
b)
b) 0.667
c)
c) 0.8
44.
44. For right-angled triangle ABC (angle C is 90deg) with sides AB=5cm; BC=4cm, calculate cos (angle B). (Level 2)
a)
a) 0.8
b)
b) 0.6
c)
c) 0.667
45.
45. For right-angled triangle ABC (angle C is 90deg) with sides AB=5cm; BC=4cm, calculate tan (angle B). (Level 2)
a)
a) 0.6
b)
b) 0.75
c)
c) 0.5
46.
46. What are coordinate axes consists of? (Level 1)
a)
a) x axis
b)
b) x axis and z axis
c)
c) x axis and y axis
47.
47. The point of intersection of x and y axis is called: (Level 1)
a)
a) The origin O
b)
b) Intersection point
c)
c) Intersection
48.
48. The point (3,2) may be plotted on the coordinate axes as follows: (Level 2)
a)
a) x = 2, y = 3
b)
b) x = 2, y = -2
c)
c) x = 3, y = 2
49.
49. What is the equation of a straight line with gradient m and intercept on the y axis c? (Level 1)
a)
a) y = mx + c
b)
b) y = x + mc
c)
c) y = cx + m
50.
50. The equation of a straight line is given by: (Level 1)
a)
a) y = mx + c
b)
b) y = mx² + c
c)
c) y = mx² + nx + c
51.
51. For the equation of a straight line: y = 5x + 3, 5 presents: (Level 1)
a)
a) The origin point
b)
b) The slope of the line
c)
c) The intercept on the y axis
52.
52. For the equation of a straight line: y = -3x + 6, this line cuts x axis at: (Level 2)
a)
a) y = 0; x = 2
b)
b) y = 0; x = 4
c)
c) y = 0; x = 6
53.
53. For the equation of a straight line: y = 6, which below statement is most correct? (Level 2)
a)
a) Parallel with y axis
b)
b) Parallel with y axis and cut x axis at x = 6
c)
c) Perpendicular to y axis
54.
54. 2y = 5x + 3. What is the gradient? (Level 2)
a)
a) The gradient is 5
b)
b) The gradient is (5/2 + 3)
c)
c) The gradient is 5/2
55.
55. The line with equation x = 3 is: (Level 2)
a)
a) At 45° to both axes
b)
b) Parallel to the x axis
c)
c) Parallel to the y axis
56.
56. Which angles complementary? (Level 1)
a)
a) 35º and 55º
b)
b) 45º and 135º
c)
c) 35º and 25º
57.
57. The smallest part of an element is: (Level 1)
a)
a) A compound
b)
b) An atom
c)
c) A molecule
58.
58. What do you get when you add 2H2 and O2? (Level 1)
a)
a) 2H2O
b)
b) 2HO2
c)
c) 2H2O2
59.
59. A positive ion: (Level 1)
a)
a) Has extra electrons
b)
b) Has number of protons difference with number of neutrons
c)
c) Has missing electrons
60.
60. The nucleus of an atom contains: (Level 1)
a)
a) Protons and electrons
b)
b) Protons and neutrons
c)
c) Electrons and neutrons
61.
61. The atomic mass number is the number of. (Level 1)
a)
a) Protons plus electrons
b)
b) Neutrons plus electrons
c)
c) Protons plus neutrons
62.
62. Which statement is the best correct? (Level 1)
a)
a) Each vector consists of Direction
b)
b) Each vector consists of Intensity
c)
c) Each vector consists of Direction and intensity
63.
63. In physics, which below scalars have no direction? (Level 1)
a)
a) Mass, time, force
b)
b) Mass, temperature, force
c)
c) Mass, time and temperature
64.
64. Two forces work on an object on the same time, when the result should be calculated, you need: (Level 1)
a)
a) Angle of vector only
b)
b) Length of vector only
c)
c) Angle and length of vector
65.
65. The center of gravity is depend on: (Level 1)
a)
a) The form of a body
b)
b) The mass of a body
c)
c) The density of a body
66.
66. Stress is show as: (Level 1)
a)
a) Ratio of body Weight to Area of applied Force
b)
b) Ratio of External Force to Area of applied Force
c)
c) Ratio of External Force to Area of body Surface
67.
67. When a hammer has contacted Area 0.01m² applying a Force 10 Newton applying to a table, how many Stress acts on the table? (Level 2)
a)
a) 100 Pa
b)
b) 1000 daN
c)
c) 1000 Pa
68.
68. Basic structural stresses to aircraft are: (Level 1)
a)
a) Tension, compression, torsion
b)
b) Shear, bending, tension
c)
c) Tension, compression, torsion, shear and bending
69.
69. Which statement is the best correct? (Level 1)
a)
a) Unit for tensile stress is Lb/in²
b)
b) Unit for tensile stress is N/m
c)
c) Units for tensile stress are: Lb/in² or N/m²
70.
70. Calculate compression stress on cross section Area 0.5m² with Force perpendicular to area 150N. (Level 2)
a)
a) 75N/m²
b)
b) 300N/m²
c)
c) 300N.m
71.
71. Which is the Force required on wrench handle with length 10 in to produce a torque of 300 in.lbf? (Level 2)
a)
a) 30 lbf
b)
b) 3000 lbf
c)
c) 300 lb
72.
72. Which is the Force required on torque wrench handle with length 15 in and extension with length 5 in to produce a torque of 300 in.lbf? (Level 2)
a)
a) 25 lbf
b)
b) 20 lbf
c)
c) 15 lb
73.
73. All matters exists in which states? (Level 1)
a)
a) Solid, Liquid or Gas
b)
b) Liquid or Gas
c)
c) Solid, Liquid or Lava
74.
74. When 5 MPa (725 psi) of fluid pressure is supplied to a cylinder with a piston area of 10 cm2, how many Force is generated? (Level 2)
a)
a) 7250 N
b)
b) 5000 N
c)
c) 2000 N
75.
75. A cylinder has a piston surface area 4 in² on the side without rod. When 1,000 psi of pressure is applied. How many force is produced? (Level 2)
a)
a) 4000 lbs
b)
b) 400 lbs
c)
c) 4000 N
76.
76. A cylinder has a piston surface area 4 in² on the side with rod, rod area 1 in².When 1,000 psi of pressure is applied. How many force is produced? (Level 2)
a)
a) 4000 lbs
b)
b) 3000 lbs
c)
c) 3000 N
77.
77. A block of wood of volume 2 ft³ in ocean water, density of ocean water is 64.4 lb/ft³. Find the Buoyancy Force acts on this block. (Level 2)
a)
a) 32.2 lb.ft
b)
b) 32.2 lb
c)
c) 128.8 lb
78.
78. An aircraft flies 1350 nmiles in 2h 15mins. What is the average speed? (Level 1)
a)
a) 600 nmiles/hour
b)
b) 400 nmiles/hour
c)
c) 150 nmiles/hour
79.
79. An aircraft travels at 500 km/hr for 30 minutes at steady speed. How far does it move in that time? (Level 1)
a)
a) 500 km
b)
b) 1000 km
c)
c) 250 km
80.
80. An object travels 18 km in 1 minute 30 seconds. What is its average speed? (Level 2)
a)
a) 270 m/s
b)
b) 200 m/s
c)
c) 250 m/s
81.
81. What is acceleration? (Level 1)
a)
a) Rate of change of velocity
b)
b) Rate of change of movement
c)
c) Rate of change of position
82.
82. A car travelling at a speed of 5 m/s accelerates at the rate of 1 m/s². How long will it take to reach a speed of 20 m/s? (Level 2)
a)
a) 15 secs
b)
b) 10 secs
c)
c) 20 secs
83.
83. How long will it take a car moving at 60 km/hr to travel 90 km? (Level 2)
a)
a) 40 minutes
b)
b) 75 minutes
c)
c) 90 minutes
84.
84. A cyclist goes from rest to 50 m/s in 5 seconds. What is the average acceleration? (Level 1)
a)
a) 10 m/s²
b)
b) 12 m/s²
c)
c) 14 m/s²
85.
85. A body travelling at 20 m/s accelerates to 36 m/s in 8 seconds, what is its acceleration? (Level 2)
a)
a) 8 m/s²
b)
b) 4 m/s²
c)
c) 2 m/s²
86.
86. For the acceleration caused by the earth’s gravity, standard gravity is defined as follows: (Level 1)
a)
a) G = 9,01 m/s²
b)
b) G = 9,81 m/s²
c)
c) G = 8,91 m/s²
87.
87. A ball is dropped from rest. What is its speed after 4 seconds? (Level 2)
a)
a) Approximate 80 m/s
b)
b) Approximate 40 m/s
c)
c) Approximate 60 m/s
88.
88. A body started from rest and has been falling freely for 3 seconds. At what speed is it falling? (Level 2)
a)
a) Approximate v = 19 m/s
b)
b) Approximate v = 29 m/s
c)
c) Approximate v = 39 m/s
89.
89. Which statement is the best correct? (Level 2)
a)
a) When things fall to earth, terminal velocity of things depend on: Mass, drag and height of things
b)
b) When things fall to earth, terminal velocity of things depend on: Mass and height of things
c)
c) When things fall to earth, terminal velocity of things depend on:Mass and drag of things
90.
90. The centrifugal force is caused by: (Level 1)
a)
a) The inertia of a rotating body
b)
b) The inertia of a straight line moving body
c)
c) The inertia of a linear moving body
91.
91. For circular motion, centripetal force can be calculated by: (Level 1)
a)
a) (Mass x Velocity)/Radius
b)
b) (Mass x Velocity²)/Radius
c)
c) (Mass x Velocity²)/Diameter
92.
92. For circular motion, with tangential velocity = 10m/s, mass = 5kg, radius = 0.1m, the centrifugal force is: (Level 2)
a)
a) 5N
b)
b) 15N
c)
c) 0.5N
93.
93. Which statement is the best correct? (Level 2)
a)
a) When things fall to earth, terminal velocity of things depend on: Mass, drag and height of things
b)
b) When things fall to earth, terminal velocity of things depend on: Mass and height of things
c)
c) When things fall to earth, terminal velocity of things depend on:Mass and drag of things
94.
94. Which frequencies must aircraft designers take into account when designing
aircraft structure? (Level 1)
a)
a) Vibration frequencies
b)
b) Resonant frequencies
c)
c) Harmonic frequencies
95.
95. What are purposes of gear in clocks and watches, in automobiles and aircraft? (Level 1)
a)
a) Used to gain mechanical advantage
b)
b) Used to change the direction of movement
c)
c) Used to gain mechanical advantage, or to change the direction of movement.
96.
96. The actual mechanical advantage (AMA) is: (Level 1)
a)
a) The ratio of the output force to the input force
b)
b) The ratio of the input force to the output force
c)
c) The subtraction of the output force to the input force
97.
97. A worker is able to raise a body weighing 150 N by applying a force of 75 N. What is the AMA of the machine that he is using? (Level 2)
a)
a) 3
b)
b) 2
c)
c) 4
98.
98. The mass of an object is described as: (Level 1)
a)
a) The amount of matter in an object
b)
b) Is constant regardless of its location
c)
c) The amount of matter in an object and is constant regardless of its location
99.
99. Acceleration of Gravity on earth is: (Level 2)
a)
a) 9.8 m/s²
b)
b) 32.2 ft/s²
c)
c) 9.8 m/s² or 32.2 ft/s²
100.
100. 1 US pounds equal: (Level 1)
a)
a) 0.4536 kg
b)
b) 0.4536 g
c)
c) 4.536 kg
100 %
