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Machine Design, Materials, and Shop Practices > IBONG TIRIRIT (MDSP 2) > Flashcards

IBONG TIRIRIT (MDSP 2) Flashcards

1
Q

How do call an energy required to move 1 Coulomb of charge through an element.
a) Current b) Voltage c) Power d) Resonance

A

Voltage

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2
Q

This is a number sequence where the succeeding term is obtained by adding the last pair of preceding
terms such as the sequence (1, 1, 2, ,3 5, 8 …). How do you call this number sequence?
a) Euler’s number b) Fermat number c) Fibonacci number d) Fourier series

A

Fibonacci number

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3
Q

Determine the sum of the coefficient of the variables in the expression (2x + 3y –z)8
. a) 65 536 b) 56 563 c) 63 655 d) 66 535

A

65 536

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4
Q

If the roots of an equation are zero, then, how do you classify the solutions?
a. Extranous solutions b. Trivial solutions c. Conditional solutions d. Ambiguous

A

Trivial solutions

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5
Q

Find the voltage drop to move 2 C of charge from point a to point b that requires – 30 Joules of energy.
a) – 15 V b) + 15 V c) – 5 V d) + 5 V

A

– 15 V

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6
Q

This is the process of expressing a polynomial as the product of another polynomial or monomial of
lower degree. What is this mathematical process?
a) Decomposition b) Rationalization c) Factoring d) Polynomial damping

A

Factoring

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7
Q

This is a point where the concavity of a curve changes or when the slope of the curve is neither
increasing nor decreasing. What is this point commonly called?
a) Maximum point b) Minimum point c) Point of tangency d. Point of inflection

A

Point of inflection

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8
Q

How do you call the axis of the hyperbola that passes through the center, the foci and vertices?
a) Transverse axis b) Conjugate Axis c) Asymptotic axis d) Major Axis

A

Transverse axis

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9
Q

How many permutations can be made out of the letters in the word DIEGO taken 3 at a time?
a) 50 ways b) 60 ways c) 120 ways d) 80 ways

A

60 ways

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10
Q

What is the temperature in degrees Celsius of a molecule at absolute zero?
a) 0 oC b) – 273 oC c) – 32 oC d) 273 oC

A

– 273 oC

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11
Q

If at an angle measures x degrees, what is the measure in radians?
a) π/180
b) 180/π
c)180π/x
d)180/πx

A

π/180

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12
Q

In electricity, how do you call the rate of charge flow?
a) Potential difference b) Current c) Voltage d) Power

A
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13
Q

What is a number, which could not be expressed as a quotient of two integers?
a. Natural b. Rational c. Irrational d. Surd

A

Irrational

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14
Q

This law states, “The voltage, v, across a resistor is directly proportional to the current, i, flowing
through the resistor”. How do you call this law?
a) Kirchhoff’s Law b) Ohm’s Law c) Ampere’s Law d) Gauss’ Law

A

Ohm’s Law

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15
Q

How do you call an angle that is greater then 180 degree but less than 360 degrees?
a) Complex b) Reflex c) Obtuse d) Exterior

A

Reflex

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16
Q

This law in electrical circuits states, “The algebraic sum of currents entering a node (or a closed
boundary) is zero”. How do you call this law?
a) Kirrchoff’s current law b) Ohm’s current law
c) Kirchhoff’s voltage law d) Ohm’s voltage law

A

Kirrchoff’s current law

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17
Q

How do you call the opposite of the prefix nano?
a) Peta b) Tera c) Giga d) Hexa

A

Giga

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18
Q

What do you call a triangle having three unequal sides?
a) Obtuse b) Oblique c) Scalene d) Isosceles

A

Scalene

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19
Q

An area of 25.6 cm2 on the map represents a lot having an area of 640 m2. If the scale on the map is 1:x,
what is the value of x?
a) 50 b) 100 c) 500 d) 900

A

500

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20
Q

If the z = √1- √1- √1- … , what is the value of z?
a) 0.453 b) 0.618 c) 0.816 d) 0.681

A

0.618

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21
Q

Solve for the value of x from the following equation: x^x^x^x=10.
a) 1.258925 b) 1.892525 c) 1.85925 d) 1.528925

A

1.258925

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22
Q

This law in electrical circuits state, “The algebraic sum of all voltages around a closed path (or loop) is
zero”. How do you call this law?
a) Kirrchoff’s current law b) Ohm’s current law
c) Kirchhoff’s voltage law d) Ohm’s voltage law

A

Kirchhoff’s voltage law

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23
Q

How do you call the distance of a point from the y-axis?
a) Polar distance b) Coordinate c) Abscissa d) Ordinate

A

Abscissa

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24
Q

In electricity, it is an ability of an element to resist the flow of current. What is this?
a) Resonance b) Conductance c) Inductance d) Resistance

A

Resistance

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25
Q

In electrical circuits, how do you call the reciprocal of resistance?
a) Resonance b) Conductance c) Inductance d) Resistance

A

Conductance

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26
Q

In electrical, what is the SI unit of conductance?
a) Ohm b) Mho c) Siemens d) Ampere

A

Siemens

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27
Q

If 4y = 3x, then, what is the value of 3x^2/4y^2?
a) 4/3
b) 3/4
c) 2/3
d) 3/2

A

4/3

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28
Q

Which of the following is the equivalent of 1 Ampere?
a) 1 Coulomb per second b) 1 Joule per Coulomb c) 1 Volt per Ampere d) 1 Ampere per Coulomb

A

1 Coulomb per second

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29
Q

This is the measure of central tendency defined as the most frequent score. How do you call this measure
of central tendency?
a) Median b) Mode c) Mean d) Deviation

A

Mode

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30
Q

When the expression x4 + ax3 + 5x2 + bx + 6 is divided by (x – 2), the remainder is 16. When it is divided
by (x + 1) the remainder is 10. Determine the value of the constant a.
a) 6 b) 9 c) 5 d) 7

A

7

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31
Q

What is the logarithm of a negative number?
a) Complex number b) Real number
c) Irrational number d) Imaginary number

A

Complex number

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32
Q

Which of the following is the equivalent of 1 mil?
a) One-tenth of an inch b) One-thousandth of an inch
c) One millionth of an inch c) One-half of an inch

A

One-thousandth of an inch

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33
Q

This is the case of a solution of a plane triangle where the given data leads to two solutions. How do you
call this case?
a) Ambiguous case b) Quadratic case c) Extraneous case d) Conditional case

A

Ambiguous case

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34
Q

What is the value of k to make the expression kx2 – 3kx + 9 a perfect square?
a) 2 b) 4 c) 3 d) 5

A

4

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35
Q

It is a type of polygon in which each interior angle must be less than or equal to 180°, and all vertices
‘point outwards’ away from the interior. How do you call this polygon?
a) Concave Polygon b) Convex polygon
c) Regular polygon d) Irregular polygon

A

Convex polygon

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36
Q

Two times the mother’s age is 8 more than six times her daughter’s age. Ten years ago, the sum of their
ages was 44. What is the daughter’s age?
a) 15 yrs old b) 18 yrs old c) 12 yrs old d) 16 yrs old

A

15 yrs old

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37
Q

How do you call a line segment from the center of a regular polygon to the midpoint of a side? It is also
called as inradius, the radius of an incircle.
a) Radius b) Apothem c) Circumradius d) Inradius

A

Apothem

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38
Q

If the daily wage of CPM and a Plumber are in the ratio 2:1. In a day, a CPM has to work 8 hrs but the
Plumber only 6 hrs. Determine the ratio of their hour wages.
a. 4:3 b. 5:3 c. 3:2 d. 8:3

A

3:2

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39
Q

Which of the following is the equivalent of one circular mil?
a) π/4(0.01)^2
b) π/4(0.001)^2
c) π/4(0.0001)^2
d) π/4(0.00001)^2

A

π/4(0.001)^2

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40
Q

How do you call a method of describing a set where the elements are separated by commas and enclosed
by braces?
a) Tabular or roster form b) Equal form
c) Rule form d) Equivalent form

A

Tabular or roster form

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41
Q

Which of the following is the equivalent of the expression 2Logb 6 – Logb 4?
a) 2Logb 3 b. 3Logb 2 c. 2Logb 2 d. 3Logb 3

A

2Logb 3

42
Q

It is a series of equal payments occurring at equal intervals of time where the first payment is made after
several periods, after the beginning of the payment. How do you call this payment?
a) Deferred annuity b) Delayed annuity
c) Progressive annuity d) Simple annuity

A

Deferred annuity

43
Q

A 100-kg salt solution originally 4 % by weight salt in water is boiled to reduce water content until the
concentration is 5 % by weight salt. How much water is evaporated?
a) 20 b) 25 c) 15 d) 22.5

A

20

44
Q

Tukmol can paint a fence of 50 % faster than Kikoy and 20 % faster than Tiburcio and together thay can
paint a given fence in 4 hours. How long will it take Tukmol to paint the same fence if he had to work
alone?
a) 11 b) 8 c) 9 d) 10

A

10

45
Q

It is now between 3 and 4 o’clock and twenty minutes the minute hand will be as much as the hour-hand
as it is now behind it. What is the time now?
a) 3:06.36 b) 3:03.66 c) 3:36.06 d) 3:30.66

A

3:06.36

46
Q

This is the amount of a property in which a willing buyer will pay to a willing seller for the property
when neither one is under the compulsion to buy or sell. What do you call this value?
a) Fair value b) Goodwill value c) Book value d) Market value

A

Market value

47
Q

Determine the diameter of a circle,x^2+y^2-6x+4y-12=10.
a) 9 units b) 11 units c) 12 units d) 10 units

A

10 units

48
Q

What is the minimum point of y=x+1/x?
a) (1, 2) b) (1.5, 2) c) (1, 1.5) d) (2, 1)

A

(1, 2)

49
Q

The volume of the cube is increasing at a rate of 5 cu. m per minute. Determine the rate at which the
surface area is increasing, in m2
/min, when its side is 10 m.
a) 1⁄2 b) 1.75 c) 1.5 d) 2

A

2

50
Q

What is the simple interest rate if an investment of P37,500.00 accumulates to P45,937.5 in 18 months?
a) 0.15 b) 0.2 c) 0.21 d) 0.3

A

0.15

51
Q

What do you think is the negotiation of wage rates, conditions of employment, etc. by representatives of
the labor force and management?
a) Union trade b) Union rally c) Collective bargaining d)
Cooperative

A

Collective bargaining

52
Q

What is the simple interest rate if an investment of P37,500.00 accumulates to P45,937.5 in 18 months?
a) 0.15 b) 0.2 c) 0.21 d) 0.3

A

0.15

53
Q

What is the value of Lim (x^2-1/x^3-1) x=∞
a) 0 b) 0.25 c) 1.25 d) indeterminate

A

0

54
Q

What is the present value of P5,000.00 due in 8 years if money is worth 12% compounded semi-annually?
a) P1,896.23 b) P1,869.23 c) P1,698.23 d) P1,968.23

A

1,968.23

55
Q

This is a type of bond whose guaranty is in lieu on railroad equipment. What is this type of bond?
a) Equipment b) Debenture bond c) Registered bond d) Infrastructure bond

A

Infrastructure bond

56
Q

How do you call a type of bond where the corporation’s owner name is recorded and the interest is paid
periodically to the owners with their asking for it?
a) Registered bond b) Preferred bond c) Incorporator’s bond d) Bail bond

A

Registered bond

57
Q

Twice the middle digit of a three-digit number is the sum of the other two. If the number is divided by
the sum of its digit, the answer is 56 and the remainder is 12. If the digits are reversed, the number
becomes smaller by 594. Find the number.
a) 852 b) 285 c) 825 d) 582

A

852

58
Q

A man left Sta. Rosa City to drive to Lopez, Quezon at 6:15 pm and arrived at 11:45 pm. If he averaged
50 kph and stopped 1 hour for dinner, how far is Lopez, quezon from Sta. Rosa City?
a) 225 km b) 522 km c) 252 km d) 215 km

A

225 km

59
Q

If x varies directly as y and inversely as z, and x = 14 when 7 = 7 and z = 2, find the value of x when z =
4 and y = 16.
a) 12 b) 18 c) 14 d) 16

A

16

60
Q

Lucy sold 100-pirated DVD. Eighty of them were sold at a profit of 30 % while the rest were sold at a
loss of 40 %. What is the percentage gain or loss on the whole stock?
a) 15 % b) 20 % c) 16 % d) 12 %

A

16 %

61
Q

How many terms of the sequence – 9, - 6, - 3, … must be taken so that the sum is 66?
a) 11 b) 6 c) 4 d) 9

A

11

62
Q

There are 6 geometric means between 4 and 8748. Find the sum of all terms.
a) 12 310 b) 12 130 c) 13 210 d) 13 120

A

13 120

63
Q

How many permutation can be made out of the letters of the word ENGINEERING?
a) 277 200 b) 272 700 c) 200 277 d) 227 700

A

277 200

64
Q

A bag contains 3 white and 5 red balls. If two balls are drawn at random, find the probability that both
are white.
a) 0.375 b) 0.10714 c) 0.46667 d) 0.28571

A

0.10714

65
Q

Determine the absolute value of the complex number 3 + 4i.
a) 4 b) 5 c) 8 d) 6

A

5

66
Q

Simplify i^1997 + i^1999, where I is an imaginary number.
a) 0 b) i c) 1 + i d) 1 – I

A

0

67
Q

The sum of the two interior angles of the triangle is equal to the third angle and the difference of the two
angles is equal to 2/3 of the 3rd angle. Find the 3rd angle.
a) 60o b) 30o c) 90o d) 40o

A

90o

68
Q

Evaluate the integral of (3x2 + 9y2)dxdy if the interior limit has an upper limit of y and a lower limit of
0, and whose outer limit has an upper limit of 2 and lower limit of 0.
a) 50 b) 30 c) 45 d) 40

A

40

69
Q

How do you call the integral of any quotient whose numerator is the differential of the denominator?
a) Co-logarithm b) Logarithm c) Product d) Derivative

A

Logarithm

70
Q

If a = b, then b = a. This illustrates of which of the following axioms in algebra?
a) Transitive axiom b) Reflexive axiom c) Replacement axiom d) Symmetric axiom

A

Symmetric axiom

71
Q

What is a regular polygon that has 27 diagonals?
a) Nonagon b) hexagon c) Pentagon d) Heptagon

A

Nonagon

72
Q

How do you call the formula used to compute the value of n factorial, which is in symbolic form (n!),
where n is large number?
a) Matheson formula b) Diophantine formula c) Richardson-Duchman formula d) Stirling’s Approximation

A

Stirling’s Approximation

73
Q

What is the reason why an ivory soap floats in water?
a) All matter has mass
b) The specific gravity of ivory soap is greater than that of water
c) The density of ivory soap is unity
d) The specific gravity of ivory soap is less than that of water

A

The specific gravity of ivory soap is less than that of water

74
Q

If the product of the slopes of any two straight lines is negative 1, one of these lines is said to be:
a) Parallel b) perpendicular c) Skew d) Non-intersecting

A

perpendicular

75
Q

When two planes intersect with each other, the amount of divergence between the two planes is
expressed by measuring the:
a) Reflex angle b) Dihedral angle c) Polyhedral angle d) Plane angle

A

Dihedral angle

76
Q

These are product or services that are required to support human life and activities, that will be purchased
in somewhat the same quantity even though the price varies considerably.
a) Utilities b) Necessities c) Luxuries d) Producer goods and services

A

Necessities

77
Q

The angle which the line of sight to the object makes with the horizontal which is above the eye of the
observer is called as:
a) Angle of elevation b) Acute angle c) Angle of depression d) Bearing

A

Angle of elevation

78
Q

This is a number sequence where the succeeding term is obtained by adding the last pair of preceding
terms such as the sequence (1, 1, 2, ,3 5, 8 …). How do you call this number sequence?
a. Euler’s number b. Fermat number c. Fibonacci number d.Fourier series

A

Fibonacci number

79
Q

If the roots of an equation are zero, then, how do you classify the solutions?
a. Extranous solutions b. Trivial solutions c. Conditional solutions d. Ambiguous

A

Trivial solutions

80
Q

This is the process of expressing a polynomial as the product of another polynomial or monomial of
lower degree. What is this mathematical process?
a. Decomposition b. Rationalization c. Factoring d. Polynomial

A

Factoring

81
Q

This is a point where the concavity of a curve changes or when the slope of the curve is neither
increasing nor decreasing. What is this point commonly called?
a. Maximum point b. Minimum point c. Point of tangency d. Point of inflection

A

Point of inflection

82
Q

How do you call the axis of the hyperbola that passes through the center, the foci and vertices?
a. Transverse axis b. Conjugate Axis c. Asymptotic axis d. Major Axis

A

Transverse axis

83
Q

What is a number, which could not be expressed as a quotient of two integers?
a. Natural b. Rational c. Irrational d. Surd

A

Irrational

84
Q

How do you call an angle that is greater then 180 degree but less than 360 degrees?
a. Complex b. Reflex c. Obtuse d. Exterior

A

Reflex

85
Q

What do you call a triangle having three unequal sides?
a. Obtuse b. Oblique c. Scalene d. Isosceles

A

Scalene

86
Q

How do you call the distance of a point from the y-axis?
a. Polar distance b. Coordinate c. Abscissa d. Ordinate

A

Abscissa

87
Q

This is the measure of central tendency defined as the most frequent score. How do you call this measure
of central tendency?
a. Median b. Mode c. Mean d. Deviation

A

Mode

88
Q

This is the case of a solution of a plane triangle where the given data leads to two solutions. How do you
call this case?
a. Ambiguous case b. Quadratic case c. Extraneous case d. Conditional case

A

Ambiguous case

89
Q

This is a sequence of numbers where every term is obtained by adding the squares of all preceding terms
such as (1, 5, 14, 30, 55…). How do you call this numbers?
a. Triangular numbers b. Tetrahedral numbers c. Cubic numbers d. Pyramidal numbers

A

Pyramidal numbers

90
Q

It is a process of reasoning wherein other conclusions or formulas are obtained or derived by
mathematical manipulations of previously proven theorems or formulas. How do you call this process?
a. Mathematical induction b. Mathematical deduction c. Mathematical conversion d.
Mathematical inversion

A

Mathematical induction

91
Q

What is a solid bounded by the spherical zone and the planes of the zone’s base?
a. Spherical wedge b. Spherical solid c. Spherical triangle d. Spherical segment

A

Spherical segment

92
Q

How do you call the line passing through the focus and perpendicular to the directrix of a parabola?
a. Latus rectum b. Axis of the parabola c. Transverse axis ` d. Major axis

A

Axis of the parabola

93
Q

What is the ratio of the distance between the foci to the distance between the vertices in either hyperbola
or ellipse?
a. Eccentricity b. Latus rectum c. Variance d. Deviation

A

Eccentricity

94
Q

It is a statement that one mathematical expression is greater than or less than another. How do you call
this?
a. Conditional expression b. Inequality c. Interval d. Domain

A

Inequality

95
Q

What is the point of concurrency of the altitude of a triangle?
a. Centroid b. Incenter c. Orthocenter d. Circumcenter

A

Orthocenter

96
Q

What is the logarithm of a number to have a base e=2.718…?
a. Briggsian logarithm b. Naperian logarithm c. Cologarithm d.
Mantissa

A

Naperian logarithm

97
Q

What is a process of finding maximum or minimum values of a linear function under limiting conditions
or constraints?
a. Iteration b. Linear programming c. Differentiation d. Integration

A

Linear programming

98
Q

Which of the following items classified a polygon?
a. Angles b. Diagonals c. Sides d. Number of nodes

A

Sides

99
Q

When a line y = mx + b slopes downwards from left to right, the slope m is:
a) Less than zero b) Greater than zero c) Equal to zero d) Equal to 1

A

Less than zero

100
Q

The ratio between the quick assets to the current liabilities
a. Acid test ratio b. Current ratio c. Working amount d. Marginal ratio

A

Acid test ratio

101
Q

It is the additional cost of producing one more unit of a product.
a. Sunk cost b. Marginal cost c. Variable cost d. Fixed cost

A

Marginal cost

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