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BU3 Advancement > Ea basic CH2 > Flashcards

Ea basic CH2 Flashcards

1
Q
  1. By broad definition, what is the science that deals with the relationships between quantities and operations and with methods by which these relationships can be applied to determine unknown quantities from given or measured data? (Page 2-4)
A

mathematics

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2
Q
  1. What is the art of computation by the use of positive real numbers? (Page 2-4)
A

arithmetic

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3
Q
  1. What is the branch of mathematics that deals with the relations and properties of numbers by means of letters, signs of operation, and other symbols? (Page 2-4)
A

algebra

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4
Q
  1. What is the branch of mathematics that investigates the relations, properties, and measurements of solids, surfaces, lines, and angles? (Page 2-4)
A

geometry

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5
Q
  1. What is the branch of mathematics that deals with certain constant relationships that exist in triangles and with methods by which they are applied to compute unknown values from known values? (Page 2-4)
A

trigonometry

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6
Q
  1. What type of number can be expressed as the quotient, or ratio, of two whole numbers? (Page 2-4)
A

rational

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7
Q
  1. What is a real number that cannot be expressed as the ratio of two integers? (Page 2-4)
A

irrational

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8
Q
  1. What is a number that has factors other than itself and 1? (Page 2-4)
A

composite

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9
Q
  1. What is a number that has no factors except itself and 1? (Page 2-4)
A

prime

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10
Q
  1. What is the number under the radical sign called? (Page 2-7)
A

radicand

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11
Q
  1. What property of a number is 1 divided by the number? (Page 2-11)
A

reciprocal

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12
Q
  1. What is an equation in which the members are ratios? (Page 2-13)
A

proportion

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13
Q
  1. What is a real or imaginary surface in which a straight line between any two points lies wholly on that surface? (Page 2-14)
A

plane

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14
Q
  1. What is a surface on which every point lies in the same plane? (Page 2-14)
A

plane surface

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15
Q
  1. What are plane surfaces bounded by either straight or curved lines? (Page 2-14)
A

plane figures

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16
Q
  1. What is a plane figure bounded by straight-line sides called? (Page 2-14)
A

polygon

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17
Q
  1. What is the smallest possible polygon called? (Page 2-14)
A

triangle

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18
Q
  1. What is a polygon bounded by seven sides called? (Page 2-15)
A

heptagon

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19
Q
  1. What is a polygon bounded by seven sides called? (Page 2-15)
A

parallelogram

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20
Q
  1. What is a quadrilateral with no sides parallel called? (Page 2-15)
A

trapezium

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21
Q
  1. What is the formula to find the area of a triangle? (Page 2-17)
A

A = 1/2bh

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22
Q
  1. What is a part of a circle bounded by a chord and its arc? (Page 2-20)
A

segment

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23
Q
  1. What is a part of a circle bounded by two radii and their intercepted arc? (Page 2-20)
A

sector

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24
Q
  1. When plane figures are combined to form a three-dimensional object what is the resulting figure called? (Page 2-22)
A

solid

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25
Q
  1. What is a solid figure whose bases or ends are similar, equal, and parallel polygons, and whose faces are parallelograms known geometrically as? (Page 2-23)
26
Q
  1. What is a prism with parallelograms for bases? (Page 2-23)
A

parallelepiped

27
Q
  1. What system is the most common system used in angular measurement? (Page 2-25)
28
Q
  1. What states that the square of the length of the hypotenuse of any right triangle equals the sum of the squares of the lengths of the other two sides? (Page 2-29)
A

pythagorean theorem

29
Q
  1. What law states the lengths of the sides of any triangle are proportional to the sines of their opposite angles? (Page 2-32)
A

law of sines

30
Q
  1. What are the two units of measurement used throughout the world? (Page 2-37)
A

english and metric

31
Q
  1. What is used to express distances and indicate differences in their elevations? (Page 2-38)
A

linear measure

32
Q
  1. What are the standard units of linear measure? (Page 2-38)
A

foot and meter

33
Q
  1. What is the most commonly used basic unit of linear measurement in the English system? (Page 2-38)
34
Q
  1. 1 Gunter’s chain is equal to how many feet? (Page 2-39)
35
Q
  1. 1 Engineer’s chain is equal to how many feet? (Page 2-39)
36
Q
  1. 1 U.S. statute mile is equal to how many feet? (Page 2-39)
37
Q
  1. 1 nautical mile (international) is equal to how many feet? (Page 2-39)
38
Q
  1. The units of weight most frequently used in the United States for weighing all commodities except precious stones, precious metals, and drugs are the units of what so-called system? (Page 2-41)
A

avoirdupois

39
Q
  1. What is the basic unit of the metric system of weight? (Page 2-41)
40
Q
  1. In the centisimal or metric system, the full circle is divided into four quadrants, and each quadrant is divided into how many equal parts known as grads or grades? (Page 2-42)
41
Q
  1. In the mil system, the circle is divided into how many equal parts known as MILS? (Page 2-42)
42
Q
  1. What is the boiling point of water on the Centrigrade scale? (Page 2-44)
43
Q
  1. What is the boiling point of water on the Fahrenheit scale? (Page 2-44)
A

212 degrees

44
Q
  1. What is the basic unit in dry measure? (Page 2-44)
45
Q
  1. How many pounds of water are contained in the standard U.S. bushel? (Page 2-44)
46
Q
  1. What is the basic unit of liquid measure in the United States? (Page 2-45)
47
Q
  1. How many quarts are in a gallon? (Page 2-45)
48
Q
  1. How many gallons are in 1 barrel? (Page 2-45)
49
Q
  1. For petroleum products the standard barrel conatins how many gallons? (Page 2-45)
50
Q
  1. How many liters are there in a U.S. gallon? (Page 2-45)
51
Q
  1. What is the rate of flow of electrons through the circuit called? (Page 2-46)
52
Q
  1. Current is measured in units called what? (Page 2-46)
53
Q
  1. What are the units called that resistance is measured in? (Page 2-46)
54
Q
  1. What is the electromotive force required to send a current of 1 ampere through a system in which the resistance measures 1 ohm? (Page 2-46)
55
Q
  1. What is the rate of flow of electrons in a system in which the electromotive force is 1 volt and the resistance 1 ohm? (Page 2-46)
56
Q
  1. What is the resistance offered by a system in which the electromotive force is 1 volt and the current 1 ampere? (Page 2-46)
57
Q
  1. What may be defined as “electrical work per unit of time.”? (Page 2-47)
58
Q
  1. What may be defined as “electrical work per unit of time.”? (Page 2-47)
59
Q
  1. One horsepower equals about how many watts? (Page 2-48)
60
Q
  1. What is a number that, if multiplied by a value expressed in terms of one unit, will produce the equivalent value expressed in terms of a different unit? (Page 2-50)
A

conversion factor

BU3 Advancement (27 decks)

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