Mathematics, Engineering Economics Past Paper PDF

# Mathematics, Engineering Economics and Basic Engineering Sciences – Elements ## Question 1 What is the value of 1 radian in degrees? * A. 89.55° * Β. 57.3° * C. 60.3° * D. 45.58 ## Question 2 How many degrees are 4800 mils? * A. 180° * B. 315° * C. 90° * D. 270° ## Question 3 The equation y =...

# Mathematics, Engineering Economics and Basic Engineering Sciences – Elements ## Question 1 What is the value of 1 radian in degrees? * A. 89.55° * Β. 57.3° * C. 60.3° * D. 45.58 ## Question 2 How many degrees are 4800 mils? * A. 180° * B. 315° * C. 90° * D. 270° ## Question 3 The equation y = a + a2x is an algebraic expression for which of the following choices? * A. A cosine expansion series * B. A circle in polar form * C. Projectile motion * D. A straight line ## Question 4 What is the acid test ratio? * A. The ratio of owner's equity to total current liabilities * B. The ratio of all assets to actual current liabilities * C. The ratio of current assets (exclusive of inventory) to the total current liabilities. * D. The ratio of gross margin to operating, sales, and administrative expenses ## Question 5 How do you call an energy required to move 1 Coulomb of charge through an element? * A. Current * B. Voltage * C. Power * D. Resonance ## Question 6 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 ## Question 7 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 solutions ## Question 8 In electricity, how do you call the rate of charge flow? * A. Potential difference * B. Current * C. Voltage * D. Power ## Question 9 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 ## Question 10 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 ## Question 11 In electrical, what is the SI unit of conductance? * A. Ohm * B. Mho * C. Siemens * D. Ampere ## Question 12 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 ## Question 13 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 ## Question 14 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 ## Question 15 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 ## Question 16 What is a number, which could not be expressed as a quotient of two integers? * A. Natural * B. Rational * C. Irrational * D. Surd ## Question 17 How do you call the opposite of the prefix nano? * A. Peta * B. Tera * C. Giga * D. Hexa ## Question 18 What do you call a triangle having three unequal sides? * A. Obtuse * B. Oblique * C. Scalene * D. Isosceles ## Question 19 How do you call the distance of a point from the y-axis? * A. Polar distance * B. Coordinate * C. Abscissa * D. Ordinate ## Question 20 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 ## Question 21 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 * D. One-half of an inch ## Question 22 A polygon with ten sides is said to be: * A. Dodecagon * B. Decagon * C. Decahedron * D. Dodecahedron ## Question 23 Any number expressed in place-value notation with base 12 is known as: * A. Duodecimal * B. Deontic * C. Decile * D. Dedekind ## Question 24 Another name for derivative is said to be: * A. Differential manifold * B. Partial derivative * C. Differential form * D. Differential coefficient ## Question 25 Another term for rhombus is said to be: * A. Dichotomy * B. Diamond * C. Cyclic quadrilateral * D. Bi-rectangular ## Question 26 A prefix denoting a multiple of ten times any of the physical units of the system international. * A. Deka * B. Nano * C. Hecto * D. Exa ## Question 27 The father of plane geometry. * A. Euclid * B. Pythagoras * C. Aristotle * D. Galileo ## Question 28 This is the case 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 ## Question 29 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 ## Question 30 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 ## Question 31 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 ## Question 32 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 ## Question 33 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 ## Question 34 What is a regular polygon that has 27 diagonals? * A. Nonagon * B. Hexagon * C. Pentagon * D. Heptagon ## Question 35 How do you call the formula used to compute the value of n factorial, which is in symbolic form (n!), where n is a large number? * A. Matheson formula * B. Diophantine formula * C. Richardson-Duchman formula * D. Stirling's Approximation ## Question 36 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 ## Question 37 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 ## Question 38 What do you think is the output or sales, at which income is insufficient to equal operating cost? * A. Break even point * B. Depreciation * C. Investment * D. Cash flow ## Question 39 What is an estimate of assets' net market value at the end of its estimated life? * A. Book value * B. Depreciation * C. Salvage value * D. Cash flow ## Question 40 What do you think is the lessening of the value of an asset due to a decrease in the quantity available as a coal, oil and timber in forests? * A. Depletion * B. Amortization * C. Depreciation * D. Investment ## Question 41 What can you say about the present worth of all depreciation over the economic life of the item? * A. Maintenance * B. Capital recovery * C. Depreciation recovery * D. Annuity ## Question 42 What do you think is the provision in the contract that indicates the possible adjustment of material cost and labor cost? * A. Secondary clause * B. Specification * C. Escalatory clause * D. General provision ## Question 43 This is the process of determining the value of certain property for specific reasons. Guess, what is this? * A. Amortization * B. Investment * C. Appraisal * D. Depreciation ## Question 44 How do you call those products or services that are directly used by people to satisfy their wants? * A. Consumer goods and services * B. Producer goods and services * C. Necessity products and services * D. Luxury products and services ## Question 45 These are used to produce consumer goods and services. Guess, what are these? * A. Consumer goods and services * B. Producer goods and services * C. Necessity products and services * D. Luxury products and services ## Question 46 What do you think are those products 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. Consumer goods and services * B. Producer goods and services * C. Necessity products and services * D. Luxury products and services ## Question 47 How do you call a cylinder with elliptical cross section? * A. Ellipsoid * B. Cylindroid * C. Hyperboloid * D. Paraboloid ## Question 48 How do you call a market whereby there is only one buyer of an item for which there are no goods substitutes? * A. Monopoly * B. Monopsony * C. Oligopoly * D. Oligopsony ## Question 49 Which statement about a charge placed on a dielectric material is true? * A. The charge increases the conductivity of the material * B. The charge is confined to the region in which the charge was placed. * C. The charge is immediately lost to the atmosphere * D. The charge is instantly carried to the material's surface ## Question 50 Which of the following is not a property of magnetic field lines? * A. Magnetic field lines have no beginnings and no ends. * B. The lines cross themselves only at right angles. * C. The line intersect surfaces of equal intensity at right angles. * D. The field is stronger where the lines are closer together ## Question 51 Tesla is a unit of which of the following? * A. Magnetic induction * B. Inductance * C. Capacitance * D. Magnetic flux ## Question 52 What is a pole pitch? * A. The angle at which the pole windings are wound * B. The space on the stator allocated to two poles * C. The space on the stator allocated to one pole * D. The mica used to insulate the poles from each other ## Question 53 How do you call a polygon with 10 000 sides? * A. Hectogon * B. Chilliagon * C. Myriagon * D. Octacontagon ## Question 54 Any line segment joining a vertex of a triangle to a point on the opposite side is called as: * A. Newton line * B. Secant * C. Cevian * D. Euclidian line ## Question 55 It is any influence capable of producing a change in the motion of an object. * A. Force * B. Acceleration * C. Friction * D. Velocity ## Question 56 How do you call the amount needed at the beginning of operations and permits the enterprise to begin functioning before it receives any income from the sales of its product or service? * A. Initial working capital * B. Regular working capital * C. Equity * D. Annuity ## Question 57 In the problem of writing the equation of a certain curve with respect to another axes in which the new axes are parallel to the original axes and similarly directed is known as: * A. Translation of axes * B. Reversal of axes * C. Notation of axes * D. Relocation of axes ## Question 58 How do you call a ring-shaped surface or solid obtained by rotating a circle about a coplanar line that does not intersect? * A. Torus * B. Annulus * C. Circoloid * D. Annular ## Question 59 If the eccentricity is less than one, then curve is known as: * A. Ellipse * B. Hyperbola * C. Parabola * D. Circle ## Question 60 What can you say to the following statement: "the volume of a circular cylinder is equal to the product of its base and altitude."? * A. Postulate * B. Corollary * C. Theorem * D. Axiom ## Question 61 What is the study of the properties of figures of three dimensions? * A. Physics * B. Solid geometry * C. Plane geometry * D. Trigonometry ## Question 62 A type of bond, without any security behind them except a promise to pay by the issuing corporation is known as: * A. Collateral trust bond * B. Mortgage bond * C. Debenture bond * D. Joint bond ## Question 63 A situation whereby payment is made for work not done. The term also applies to the case where more workers are used than a reasonable requirement for efficient operation. * A. Downtime pay * B. Check-in-pay * C. Feather bidding * D. Moon lighting ## Question 64 The difference between what a negotiable paper is worth in the future and its present worth is known as: * A. Book value * B. Salvage value * C. Sunk value * D. Discount ## Question 65 The temperature to which the air must be cooled at constant temperature to produce saturation. * A. Absolute temperature * Β. 273 Κ * C. Dew point * D. Critical temperature ## Question 66 A net force that will give to a mass of one gram an acceleration of 1 cm/s2 is said to be: * A. Newton * B. Ergs * C. Kilogram force * D. Dyne ## Question 67 A change in position, specified by a length and a direction is said to be: * A. Displacement * B. Acceleration * C. Velocity * D. Dynamic equilibrium ## Question 68 The process of one substance mixing with another because of molecular motion is known as: * A. Adhesion * B. Diffusion * C. Cohesion * D. Confusion ## Question 69 Those cost that arise at the result of a change in operations or policy or it is the ratio of a small increment cost and a small increment of output. * A. Increment cost * B. Differential cost * C. Marginal cost * D. Promotion cost ## Question 70 The index that gives the rate earned per share based on current price per share is called as: * A. Price-earning ratio * B. Operating expense ratio * C. Dividend yield * D. Equity ratio ## Question 71 A regular polyhedron having 12 regular pentagons is called as: * A. Icosahedron * B. Octahedron * C. Dodecahedron * D. Tetrahedron ## Question 72 Two angles whose sum is 3600 is called: * A. Explementary angles * B. Compiimentary angles * C. Supplementary angles * D. Elementary angles ## Question 73 What is an annuity? * A. The future worth of a present amount. * B. A series of uniform amounts over a period of time * C. The present worth of a future amount * D. An annual repayment of a loan ## Question 74 When using net present worth calculations to compare two projects, which of the following could invalidate the calculation? * A. Use of the same discount rate for each period * B. Differences in the magnitudes of the projects * C. Evaluating over different time periods * D. Mutually exclusive projects ## Question 75 What must two investments with the same present worth and unequal lives have? * A. Different equivalent uniform annual cash flows * B. Identical salvage values * C. Different salvage values * D. Identical equivalent uniform annual cash flows ## Question 76 Which of the following is true regarding the minimum attractive rate of return used in judging proposed investments? * A. It is much smaller than the interest rate used to discount expected cash flows from investments * B. It is frequently a policy decision made by an organization's management * C. It is larger than the interest rate used to discount expected cash flow from investments * D. It is not relevant in engineering economy studies ## Question 77 Which of the following situations has a conventional cash flow so that an internal rate of return can be safely calculated and used? * A. Your company undertakes a mining project in which the land must be reclaimed at the end of the project. * B. You invest in a safe dividend stock and receive dividends each year. * C. You lease a car and pay by the month * D. Your company invests heavily in a new product that will generate profits for two years. To keep profits high for 10 years, the company plans to reinvest heavily after two years. ## Question 78 The economic order quantity (EOQ) is defined as the order quantity which minimizes the inventory cost per unit time. Which of the flowing is not an assumption of the basic EOQ model with no shortages? * A. Reordering is done when the inventory is zero * B. There is an upper bound on the quantity ordered * C. The entire reorder quantity I delivered instantaneously * D. The demand rate is uniform and constant ## Question 79 Which of the following events will cause the optimal lot size, given by the classic EOQ model with no shortages, to increase? * A. A decrease in inventory carrying cost * B. A decrease in demand * C. An increase in demand * D. a) or c) above ## Question 80 What is a borrower of a particular loan almost always required to do during repayment? * A. Pay exactly the same amount of principal each payment * B. Repay the loan over an agreed-upon amount of time * C. Pay exactly the same amount of interest each payment * D. Pay the interest only whenever failure to pay the principal ## Question 81 How to you classify work-in-process? * A. A liability * B. An expense * C. A revenue * D. An asset ## Question 82 What is the indirect product cost (IPC) spending variance? * A. The IPC volume adjusted budget minus the total IPC absorbed * B. The IPC volume adjusted budget [fixed + volume (variable IPC rate)] * C. The difference between actual IPC and IPC volume adjusted budget * D. The difference between actual IPC and IPC absorbed ## Question 83 A leak from a faucet comes out in separate drops. Which of the following is the main cause of this phenomenon? * A. Air resistance * B. Gravity * C. Surface tension * D. Viscosity of the fluid ## Question 84 Which of the following elements and compounds is unstable in its pure form? * A. Hydrochloric acid * B. Carbon dioxide * C. Sodium * D. Helium ## Question 85 What is the actual geometric shape of the methane molecule? * A. Tetrahedral * B. Pyramidal * C. Square planar * D. Linear ## Question 86 A substance is oxidized when which of the following occurs? * A. It losses electrons * B. It becomes more negative * C. It gives off heat * D. It absorbs energy ## Question 87 Reactions generally proceed faster at higher temperatures because of which of the following? * A. The molecules are less energetic * B. The activation energy is less * C. The molecules collide more frequently * D. Both b) & c) above ## Question 88 Which one of the following statements regarding organic substances is false? * A. Organic matter is generally stable at very high temperatures * B. Organic substances generally dissolve in high-concentration acids * C. All organic matter contains carbon * D. Organic substances generally do not dissolve in water. ## Question 89 Which of the following affects most of the electrical and thermal properties of materials? * A. The weight of the atoms * B. The weight of the protons * C. The electrons, particularly the outermost one * D. The magnitude of electrical charge of the protons ## Question 90 What are the valence electrons? * A. The electrons of complete quantum shells * B. Electrons with positive charge * C. The outer-shell electrons * D. The K-quantum shell electrons ## Question 91 How do you call the strong bond between hydrogen atoms? * A. Ionic and metallic bonds * B. The covalent bond * C. The ionic bond * D. The metallic bond ## Question 92 What are Van der Waals forces? * A. Forces present only in gases * B. Forces not present in liquids * C. Primary bonds between atoms * D. Weak secondary bonds between atoms ## Question 93 Which of the following materials is not a viscoelastic material? * A. Metal * B. Plastic * C. Rubber * D. Glass ## Question 94 In molecules of the same composition, what are variations of atomic arrangements known as? * A. Isomers * B. Polymers * C. Monomers * D. Crystal systems ## Question 95 Which of the following is false? * A. The acceleration of a body rotating with a constant angular velocity is zero. * B. Angular momentum for rigid bodies may be regarded as the product of angular velocity and inertia. * C. The radius of gyration for a mass of uniform thickness is identical to that for a planar area of the same shape. * D. Kinematics is the study of the effects of motion, while kinetics is the study of the causes of motion. ## Question 96 Which statement about a charge placed on a dielectric material is true? * A. The charge increases the conductivity of the material * B. The charge is confined to the region in which the charge was placed. * C. The charge is immediately lost to the atmosphere * D. The charge is instantly carried to the material's surface ## Question 97 Which of the following is not a property of magnetic field lines? * A. Magnetic field lines have no beginnings and no ends. * B. The lines cross themselves only at right angles. * C. The line intersect surfaces of equal intensity at right angles. * D. The field is stronger where the lines are closer together ## Question 98 Tesla is a unit of which of the following? * A. Magnetic induction * B. Inductance * C. Capacitance * D. magnetic flux ## Question 99 What is a pole pitch? * A. The angle at which the pole windings are wound * B. The space on the stator allocated to two poles * C. The space on the stator allocated to one pole * D. The mica used to insulate the poles from each other ## Question 100 Points that lie in the same plane: * A. Coplanar * B. Collinear * C. Oblique * D. Parallel ## Question 101 What do you call the one-fourth of a great circle: * A. Cone * B. Pyramid * C. Chord * D. Quadrant ## Question 102 A plane closed curve, all points of which are the same distance from a point within, called the center. * A. Arc * B. Radius * C. Circle * D. Chord ## Question 103 What do you call the replacement of the original cost of an investment? * A. Pay off * B. Return on investment * C. Breakeven * D. Capital recovery ## Question 104 If f"(x1) = 0, then the point (x1, y1) is called: * A. Minimum point * B. Maximum point * C. Inflection point * D. Critical point ## Question 105 Adding more solute to an already saturated solution will cause the excess solute to settle to the bottom of the container. What is this process called? * A. Precipitation * B. Hydration * C. Dehydration * D. Saturation ## Question 106 The length of time at which the original cost of capital used to purchase a unit has already been recovered: * A. Economic life * B. Write off period * C. Physical life * D. Salvage life ## Question 107 The actual interest earned by a given principal is known as: * A. Compound interest * B. Simple interest * C. Effective interest * D. Nominal interest ## Question 108 How do call an energy required to move 1 Coulomb of charge through an element. * A. Current * B. Voltage * C. Power * D. Resonance ## Question 109 If at an angle measures x degrees, what is the measure in radians: * A. x/180 * B. 180/x * C. 180π/x * D. πx/180 ## Question 110 In electricity, how do you call the rate of charge flow? * A. Potential difference * B. Current * C. Voltage * D. Power ## Question 111 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 ## Question 112 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 ## Question 113 How do you call the distance of a point from the y-axis? * A. Polar distance * B. Coordinate * C. Abscissa * D. Ordinate ## Question 114 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 ## Question 115 In electrical circuits, how do you call the reciprocal of resistance? * A. Resonance * B. Conductance * C. Inductance * D. Resistance ## Question 116 What is the logarithm of a negative number? * A. Complex number * B. Real number * C. Irrational number * D. Imaginary number ## Question 117 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 ## Question 118 Which of the following is the equivalent of one circular mil? * A. (0.01)² * Β. (0.001)² * C. (0.0001)² * D. (0.00001)^<sub></sup> ## Question 119 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 ## Question 120 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 ## Question 121 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 ## Question 122 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 ## Question 123 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 ## Question 124 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 ## Question 125 If ab, 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 ## Question 126 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 ## Question 127 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 ## Question 128 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 ## Question 129 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 ## Question 130 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 ## Question 131 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 ## Question 132 What is the point of concurrency of the altitude of a triangle? * A. Centroid * B. Incenter * C. Orthocenter * D. Circumcenter ## Question 133 What is the logarithm of a number to have a base e-2.718...? * A. Briggsian logarithm * B. Naperian logarithm * C. Cologarithm * D. Mantissa ## Question 134 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 ## Question 135 Which of the following items classified a polygon? * A. Angles * B. Diagonals * C. Sides * D. Number of nodes ## Question 136 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 ## Question 137 The ratio between the quick assets to the current liabilities. * A. Acid test ratio * B. Current ratio * C. Working amount * D. Marginal ratio ## Question 138 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 ## Question 139 What is the quantity in addition to the economic order quantity use to anticipate sudden change of demand and the delay of the ordered quantity? * A. safety stock * B. safety allowance * C. tolerance stock * D. none of these ## Question 140 The ratio of a number is 4:7 where number 4 is referred to as the antecedent. How do you call number 7 in this ratio? * A. Consequent * B. Minuend * C. Augend * D. Dividend ## Question 141 What is a pair of angles when added together will be equal to 360°? * A. Supplementary angle * B. Conjugate angle * C. Complimentary angle * D. Explimentary angle ## Question 142 What is a line segment joining a vertex of a triangle to a point on the opposite side? * A. Cevian * B. Secant * C. Euclidian line * D. Newton's line ## Question 143 How do you call a cylinder with elliptical cross section? * A. Ellipsoid * B. Cylindroid * C. Hyperboloid * D. Paraboloid ## Question 144 For a given function, it is found that f(t) = f(-