Measurement, Quadratic Equations and Physics Concepts
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Questions and Answers

The digits of measurement which a scientist reads and estimates on a scale are called

  • Accuracy
  • Experimentation
  • Significant figures (correct)
  • Precision

In a quadratic equation, if the quantity under the radical is equal to zero, the roots are:

  • real and equal (correct)
  • Complex and unequal
  • real and unequal
  • imaginary numbers

What do you call a statement of truth which is admitted without proof?

  • postulate
  • corollary
  • theorem
  • axiom (correct)

Polygons are classified according to their:

<p>sides (B)</p> Signup and view all the answers

If n is the number of sides of a polygon, then the number of diagonals of a polygon is expressed as:

<p>(n/2)(n-3) (B)</p> Signup and view all the answers

A quadrilateral with no side parallel:

<p>Trapezium (B)</p> Signup and view all the answers

Body or space bounded by surface every point of which is equidistant from a point within.

<p>Sphere (A)</p> Signup and view all the answers

What do you call the replacement of the original cost of an investment?

<p>Pay off (B)</p> Signup and view all the answers

How do you call a polygon with 10,000 sides?

<p>Myriagon (D)</p> Signup and view all the answers

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?

<p>Depletion (C)</p> Signup and view all the answers

In electrical, what is the Sl unit of conductance?

<p>Siemens (C)</p> Signup and view all the answers

A regular polyhedron having 12 regular pentagons is called as:

<p>Dodecahedron (B)</p> Signup and view all the answers

Which of the following is the equivalent of 1 Ampere?

<p>1 Coulomb per second (C)</p> Signup and view all the answers

Which statement about a charge placed on a dielectric material is true?

<p>The charge is confined to the region in which the charge was placed. (C)</p> Signup and view all the answers

Another name for derivative is said to be:

<p>Differential coefficient (D)</p> Signup and view all the answers

Which of the following materials is not a viscoelastic material?

<p>Glass (C)</p> Signup and view all the answers

If y''(x) = 0, then the point is:

<p>Inflection point (C)</p> Signup and view all the answers

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?

<p>Convex polygon (B)</p> Signup and view all the answers

Any line segment joining a vertex of a triangle to a point on the opposite side is called as:

<p>Cevian (B)</p> Signup and view all the answers

If the roots of an equation are zero, then, how do you classify the solutions?

<p>Trivial solutions (B)</p> Signup and view all the answers

What are the valence electrons?

<p>The outer-shell electrons (C)</p> Signup and view all the answers

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?

<p>Fibonacci number (D)</p> Signup and view all the answers

A plane closed curve, all points of which are the same distance from a point within, called the center.

<p>Circle (A)</p> Signup and view all the answers

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?

<p>There is an upper bound on the quantity ordered (A)</p> Signup and view all the answers

What do you think is the provision in the contract that indicates the possible adjustment of material cost and labor cost?

<p>Escalatory clause (D)</p> Signup and view all the answers

What is the indirect product cost (IPC) spending variance?

<p>The difference between actual IPC and IPC volume adjusted budget (A)</p> Signup and view all the answers

When two planes intersect with each other, the amount of divergence between the two planes is expressed by measuring the:

<p>Dihedral angle (B)</p> Signup and view all the answers

Another term for rhombus is said to be:

<p>Diamond (C)</p> Signup and view all the answers

How do you call a market whereby there is only one buyer of an item for which there are no goods substitutes?

<p>Monopsony (B)</p> Signup and view all the answers

A type of bond, without any security behind them except a promise to pay by the issuing corporation is known as:

<p>Debenture bond (D)</p> Signup and view all the answers

What must two investments with the same present worth and unequal lives have?

<p>Different equivalent uniform annual cash flows (A)</p> Signup and view all the answers

Reactions generally proceed faster at higher temperatures because of which of the following?

<p>Both B &amp; C above (D)</p> Signup and view all the answers

The equation y = a + bx is an algebraic expression for which of the following choices?

<p>Straight line (B)</p> Signup and view all the answers

The father of plane geometry.

<p>Euclid (A)</p> Signup and view all the answers

What is a pole pitch?

<p>The space on the stator allocated to one pole (B)</p> Signup and view all the answers

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.

<p>Marginal cost (D)</p> Signup and view all the answers

This is the process of determining the value of certain property for specific reasons. Guess, what is this?

<p>Appraisal (B)</p> Signup and view all the answers

A change in position, specified by a length and a direction is said to be:

<p>Displacement (C)</p> Signup and view all the answers

A prefix denoting a multiple of ten times any of the physical units of the system international.

<p>Deka (B)</p> Signup and view all the answers

The temperature to which the air must be cooled at constant temperature to produce saturation.

<p>Dew point (D)</p> Signup and view all the answers

It is any influence capable of producing a change in the motion of an object.

<p>Force (A)</p> Signup and view all the answers

What is an annuity?

<p>A series of uniform amounts over a period of time (D)</p> Signup and view all the answers

What is the study of the properties of figures of three dimensions?

<p>Solid geometry (B)</p> Signup and view all the answers

Which of the following situations has a conventional cash flow so that an internal rate of return can be safely calculated and used?

<p>You invest in a safe dividend stock and receive dividends each year. (D)</p> Signup and view all the answers

What is the acid test ratio?

<p>The ratio of current assets (exclusive of inventory) to the total current liabilities. (D)</p> Signup and view all the answers

How do you call the opposite of the prefix nano?

<p>Giga (B)</p> Signup and view all the answers

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:

<p>Translation of axes (D)</p> Signup and view all the answers

When using net present worth calculations to compare two projects, which of the following could invalidate the calculation?

<p>Evaluating over different time periods (D)</p> Signup and view all the answers

Which of the following elements and compounds is unstable in its pure form?

<p>Sodium (A)</p> Signup and view all the answers

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?

<p>Ambiguous case (D)</p> Signup and view all the answers

What do you think is the output or sales at which income is insufficient to equal operating cost?

<p>Break even point (D)</p> Signup and view all the answers

Flashcards

What is precision?

The digits of measurement which a scientist reads and estimates on a scale are called precision.

What happens to the roots of a quadratic equation if the quantity under the radical is zero?

In a quadratic equation, if the quantity under the radical is equal to zero, the roots are real and equal.

What is a surd?

A radical expressing an irrational number is called a surd.

What is an axiom?

A statement of truth which is admitted without proof is called an axiom.

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How are polygons classified?

Polygons are classified according to their sides.

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What is the formula for the number of diagonals in a polygon?

If n is the number of sides of a polygon, then the number of diagonals of a polygon is expressed as: (n/2)(n-3).

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What is a trapezium?

A quadrilateral with no sides parallel is called a trapezium.

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What is a sphere?

A body or space bounded by a surface, every point of which is equidistant from a point within, is called a sphere.

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What is a payoff?

The replacement of the original cost of an investment is called a payoff.

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What is a myriagon?

A polygon with 10,000 sides is called a myriagon.

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What is depletion?

The lessening of the value of an asset due to a decrease in the quantity available, such as coal, oil and timber in forests, is called depletion.

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What is the SI unit of conductance?

In electrical engineering, the SI unit of conductance is Siemens.

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What is a dodecahedron?

A regular polyhedron having 12 regular pentagons is called a dodecahedron.

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What is 1 Ampere equivalent to?

One Ampere is equivalent to 1 Coulomb per second.

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What happens to a charge placed on a dielectric material?

When a charge is placed on a dielectric material, the charge is confined to the region in which the charge was placed.

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What is another name for derivative?

Another name for derivative is differential coefficient.

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What is a material that is not viscoelastic?

Metal is not a viscoelastic material. Viscoelastic materials exhibit both viscous and elastic properties.

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What is the characteristic of a point where y’’(x) = 0?

If y’’(x) = 0, then the point is an inflection point.

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What is a convex polygon?

A polygon in which each interior angle must be less than or equal to 180°, and all vertices 'point outwards' away from the interior is called a convex polygon.

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What is a cevian?

Any line segment joining a vertex of a triangle to a point on the opposite side is called a cevian.

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What are the solutions called if they are zeroes of an equation?

If the roots of an equation are zero, then the solutions are classified as trivial solutions.

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What are valence electrons?

The electrons in the outer-shell of an atom are called valence electrons.

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Describe a Fibonacci number.

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 …), is called a Fibonacci number.

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What is a circle?

A plane closed curve, all points of which are the same distance from a point within, called the center, is called a circle.

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What is one of the assumptions of the basic EOQ model with no shortages?

The economic order quantity (EOQ) is defined as the order quantity which minimizes the inventory cost per unit time. One of the assumptions of the basic EOQ model with no shortages is that there is an upper bound on the quantity ordered.

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What is an escalatory clause?

The provision in the contract that indicates the possible adjustment of material cost and labor cost is called an escalatory clause.

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What is the indirect product cost (IPC) spending variance?

The indirect product cost (IPC) spending variance is the difference between actual IPC and IPC volume adjusted budget.

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What is the dihedral angle?

When two planes intersect with each other, the amount of divergence between the two planes is expressed by measuring the dihedral angle.

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What is an appraisal?

The process of determining the value of certain property for specific reasons is called an appraisal.

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What is the mode?

The measure of central tendency defined as the most frequent score is called the mode.

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What is voltage?

The energy required to move 1 Coulomb of charge through an element is called voltage.

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What is a duodecimal number?

Any number expressed in place-value notation with base 12 is known as a duodecimal.

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What is current?

In electricity, the rate of charge flow is called current.

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What is the bond between hydrogen atoms called?

The strong bond between hydrogen atoms is called a covalent bond.

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What are Van der Waals forces?

Van der Waals forces are weak secondary bonds between atoms.

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What is Kirchhoff's Current Law?

The law in electrical circuits that states, "The algebraic sum of currents entering a node (or a closed boundary) is zero" is called Kirchhoff's Current Law.

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What is a quadrant?

One-fourth of a great circle is called a quadrant.

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What is a dyne?

A net force that will give to a mass of one gram an acceleration of 1 cm/s2 is called a dyne.

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What is a registered bond?

A type of bond where the corporation's owner name is recorded and the interest is paid periodically to the owners without their asking for it is known as a registered bond.

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What is a discount?

The difference between what a negotiable paper is worth in the future and its present worth is known as a discount.

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What is an appraisal?

The process of determining the value of certain property for specific reasons is called an appraisal.

Signup and view all the flashcards

What is a discount?

The difference between what a negotiable paper is worth in the future and its present worth is known as a discount.

Signup and view all the flashcards

What is an appraisal?

The process of determining the value of certain property for specific reasons is called an appraisal.

Signup and view all the flashcards

What is an escalatory clause?

The provision in the contract that indicates the possible adjustment of material cost and labor cost is called an escalatory clause.

Signup and view all the flashcards

What is one of the assumptions of the basic EOQ model with no shortages?

The economic order quantity (EOQ) is defined as the order quantity which minimizes the inventory cost per unit time. One of the assumptions of the basic EOQ model with no shortages is that there is an upper bound on the quantity ordered.

Signup and view all the flashcards

What is a surd?

A radical expressing an irrational number is called a surd.

Signup and view all the flashcards

What is an axiom?

A statement of truth which is admitted without proof is called an axiom.

Signup and view all the flashcards

How are polygons classified?

Polygons are classified according to their sides.

Signup and view all the flashcards

What is the formula for the number of diagonals in a polygon?

If n is the number of sides of a polygon, then the number of diagonals of a polygon is expressed as: (n/2)(n-3).

Signup and view all the flashcards

What is a trapezium?

A quadrilateral with no sides parallel is called a trapezium.

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What is a sphere?

A body or space bounded by a surface, every point of which is equidistant from a point within, is called a sphere.

Signup and view all the flashcards

What is a payoff?

The replacement of the original cost of an investment is called a payoff.

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What is a myriagon?

A polygon with 10,000 sides is called a myriagon.

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What is depletion?

The lessening of the value of an asset due to a decrease in the quantity available, such as coal, oil and timber in forests, is called depletion.

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Study Notes

Measurement and Estimation

  • Scientists use significant figures to represent measured values.
  • Significant figures indicate the accuracy of measurements.

Quadratic Equations

  • If the quantity under the radical in a quadratic equation is zero, the roots are equal and real.

Mathematical Statements

  • A postulate is a statement that is accepted as true without proof.

Polygons

  • Polygons are classified according to their number of sides.
  • The number of diagonals in a polygon with 'n' sides is (n/2)(n-3).
  • A quadrilateral with no parallel sides is a trapezium.

Physics

  • The SI unit of conductance is Siemens.
  • One ampere is equivalent to one coulomb per second.
  • A charge placed on a dielectric material is confined within the material.
  • Derivative is another name for differential coefficient.

Viscoelasticity and Materials Properties

  • Materials like rubber and plastic are viscoelastic.
  • Inflection points are where the second derivative is zero.
  • Any line segment connecting a vertex to a point of the opposite side of a triangle is called a cevian.

Finance and Business

  • Depletion is the lessening of an asset's value due to diminishing resources, like coal.

Geometry

  • A dodecahedron is a regular polyhedron with 12 regular pentagons.

Electrical Engineering

  • Kirchhoff's current law states that the algebraic sum of currents entering a node is zero.
  • Kirchhoff's voltage law states that the algebraic sum of voltages around a closed loop is zero.

Algebra

  • A Fibonacci sequence is formed by adding the two preceding terms to get the next.

Geometry Classifications

  • Different polygons are categorized based on the number of sides. Polygons with 10,000 sides are called myriagons

Equations and Curves

  • Translation of axes involves moving the axes to a new position, but keeping the direction same.

Financial Terms

  • Capital recovery refers to the replacement of original investment costs.

Geometry Definitions

  • A rhombus is another name for a diamond.
  • A monopsony is a market with one buyer.

Investment Analysis

  • Appraisal is the process of determining the value of property for specific reasons.

Measurements

  • A pole pitch refers to the angle or space occupied by pole windings within a stator.

Calculus and Derivatives

  • The term "co-logarithm" refers to the integral of a quotient whose numerator is the differential of the denominator.

General Mathematical Definitions

  • A theorem is a statement that can be proven to be true.
  • An axiom is a self-evident truth.

Terminology

  • An obtuse triangle contains a single obtuse angle (greater than 90 degrees).
  • An isosceles triangle has two sides equal.
  • A scalene triangle has no equal sides.

Financial Concepts

  • Initial working capital is the capital needed at the start of operations before income is generated from product/service sales.

Mathematical and Scientific Concepts

  • Qualitative and quantitative analysis must use the same units for comparable evaluations.

Financial and Business Problems

  • Lot size calculation models are relevant in inventory management.
  • Ambiguous case in triangle solutions involves two possible solutions.

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Description

This quiz covers fundamental concepts in measurement, quadratic equations, and physics. It includes topics such as significant figures, roots of quadratic equations, and properties of materials. Test your knowledge on these essential mathematical and scientific principles.

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