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CHEM ENG REVIEWER (wag kayong ano) > DAY 3- MATHEMATICAL TERMS > Flashcards

DAY 3- MATHEMATICAL TERMS Flashcards

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1
Q

Numbers which allow us to count the objects or ideas in a given collection

A

Cardinal numbers

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2
Q

Numbers which state the position of the individual objects in a sequence

A

Ordinal numbers

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3
Q

Used by romans to indicate that a number should be multiplied by 100

A

Bracket

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4
Q

Roman (multiply by 1000)

A

Vinculum

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5
Q

Multiply the numbwe by 1000000

A

Doorframe

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6
Q

Equal to the square root of negative one

A

Imaginary number

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7
Q

Positive integers that have more that two positive whole number factors

A

Composite numbers

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8
Q

Integer greater than 1 that is divisible only by 1 itself

A

Prime number

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9
Q

“Every positive integer greater than 1 is a prime or can be expressed as a unique product of primes and power of primes”

A

Fundamental theorem of arithmethic

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10
Q

The only even number that is a prime number

A

2

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11
Q

Set of two consecutive odd primes which differ by two

A

Twin primes

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12
Q

Symmetric primes are also called______

A

Euler primes

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13
Q

A prime number that remains a prime when its digits are reversed

A

Emirp

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14
Q

An integer that is equal to the sum of all its possible divisors except the number itself

A

Perfect number

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15
Q

Two integers where each is the sum of all the possible divisors of the other

A

Amicable numbers

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16
Q

Factorial symbol was introduced by

A

Christian Kramp

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17
Q

The name Celsius and Fahrenheit was named after

A

Anders Celsius and Gabriel Daniel Fahrenheit

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18
Q

Kelvin was named after British physicist

A

William Thompson

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19
Q

How many Mil are there in one revolution?

A

6400

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20
Q

If ab=0, then a=0 and b=0, this property is known as

A

Zero-Factor Property

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21
Q

Radical was first used by ________ in his Die Coss

A

Christoff Rudolff

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22
Q

It is a radical expressing an irrational number

A

Surd

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23
Q

Refers to the product of several prime numbers occuring in the denominators, each taken with its greatest multiplicity

A

Least Common Denominator

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24
Q

Number that two other numbers will divide into evenly

A

Common multiple

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25
Q

A number that divides into larger number evenly

A

Factor

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26
Q

Logarithm with base e is called

A

Natural logarithm or Napierean logarithm

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27
Q

Logarith with base 10

A

Briggsian logarithm

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28
Q

e

A

Euler’s number

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29
Q

Father of Algebra

A

Diophantus of Alexandria

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30
Q

Branch of mathematics that concerns with the selection of objects called elements

A

Combinatorics

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31
Q

Ordered arrangement of a finite number of elements

A

Permutation

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32
Q

Arrangement of the selection of objects regardless of the order

A

Combination

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33
Q

Numberical assessment of likelihood

A

Probability

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34
Q

Father of the theory of probability

A

Gerolamo Cardano

35
Q

He gave emphasis on Plane Geometry

A

Euclid

36
Q

Contributed in solid geometry

A

Archimedes

37
Q

The problems of this type of geometry can be solved by logical reasoning from an initial core of postulates (axioms)

A

Euclidean Geometry

38
Q

Other term for Full angle (equal to 360 degrees)

A

Perigon

39
Q

Two angles with a common leg

A

Adjacent angles

40
Q

Two angles whose sum is a perigon

A

Explementary angles

41
Q

A straight line which divides a geometric figure into two equal figures

A

Bisector

42
Q

Also called the centesimal degree (1/400th of the full circle)

A

Gon

43
Q

A triangle with sides 3,45 units

A

Egyptian triangle

44
Q

Triangle inscribed in a given triangle whose vertices are the feet of the three perpendiculars to the sides from point inside a given triangle

A

Pedal triangle

45
Q

Golden ratio

A

72, 72, 36

46
Q

segment of a secant bounded by the circle

A

chord

47
Q

a lime cutting the circle in two places

A

Secant

48
Q

area bounded by two radiu and the included arc

A

sector

49
Q

area bounded by a chord and the arc subtending the chord

A

segment

50
Q

A solid whose faces are plane polygons

A

Polyhedron

51
Q

Law of sines was demonstrated by ________

A

Ptolemy of Alexandria

52
Q

Law of Cosines was introduced by ______

A

Francois Viete

53
Q

A circle whose center coincides with the center of the spehere

A

Great Circle

54
Q

Surfaces of wedges are called _____ or ______

A

Spherical lunes or digons

55
Q

Terrestrial sphere refers to the earth as sphere with a radius of ____________

A

3959 statute miles

56
Q

Angular distance of the point from the equator

A

Latitude

57
Q

One minute of the arc of latitude is approximately __________

A

one nautical mile or 1852 meters

58
Q

Angular distance between the prime meridian and the meridian through the point

A

Longtitude

59
Q

The term conic was first introduced by _____

A

Apollonius

60
Q

Leibnis named integral calculus as

A

calculus summatorius

61
Q

F=kx, k is the spring constant

A

Hooke’s law

62
Q

An integral in which the integrand is integrated to n times is ______

A

n-fold iterated integral

63
Q

Quantities whose measurement is specified by magnitude and direction

A

Vector

64
Q

Quantities which have only magnitudes

A

Scalar quantities

65
Q

A vesto whose action is not confined to or associated with a unique line in space

A

Free vector

66
Q

Propert of the body by virtue of which a resultant force is required to change its motion

A

Inertie

67
Q

Product if the force and the time during which it acts

A

Impulse

68
Q

Collision of two bodies in which KE as well as momentym is conseved

A

Elastic collision

69
Q

Negative ratio of the relative velocity after collision to the relative velocity before collision

A

Coefficient of restitution

70
Q

Refers to the study of motion without reference to the forces which causes the motion

A

Kinematics

71
Q

The limited amount of resistance to sliding between the surfaces of two bodies in contact

A

Friction

72
Q

Motion in a plane or one dimension

A

Rectilinear translation

73
Q

Stress beyond which the material will not return to its original shape when the load is removed

A

Elastic limit

74
Q

Permanent deformation caused by excessive stress

A

Pemanent set

75
Q

Point where there is an appreciable elongation or yielding of the material even without any corresponding increase of load

A

Yield point

76
Q

Refers to the highest ordinare in the stress-strain diagram

A

Ultimate stress

77
Q

Sometimes known as stress at failure

A

Rapture strength

78
Q

Actual stress of the material when loaded

A

Working stress

79
Q

Maximum safe stress which the material can carry

A

Allowable stress

80
Q

Ratio of the ultimate stress to allowable stress

A

Factor of safety

81
Q

Angular change between two perpendicular faces of a differential element

A

Shearing strain

82
Q

Refers to the modulus of elasticity in shear

A

modulus of rigidity

83
Q

Refers to the twisting of solid or hollow circular shafts

A

Torsion

CHEM ENG REVIEWER (wag kayong ano) (13 decks)

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