Math elements 151-200

Question

Answer

What do you think is the lessening of the value of an asset due to a decrease in the quantity available as coal, oil and timber in forest?

Depletion

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:

Translation of axes

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

Debenture bond

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.

Downtime pay

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

Discount

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

Dew point

A net force that will give to a mass of one gram an acceleration of 1 cm/s² is said to be:

Dyne

The index that gives the rate earned per share based on current price per share is called as:

Dividend yield

A regular polyhedron having 12 regular pentagons is called as:

Dodecahedron

Two angles whose sum is 360° is called:

Explementary angles

What is an annuity?

A series of uniform amounts over a period of time.

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

Different equivalent uniform annual cash flows.

A leak from a faucet comes out in separate drops. Which of the following is the main cause of this phenomenon?

Surface tension

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

Sodium

What is the actual geometric shape of the methane molecule?

Tetrahedral

A substance is oxidized when which of the following occurs?

It loses electrons.

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

Both B and C

Which one of the following statements regarding organic substances is false?

Organic matter is generally stable at very high temperatures.

Which of the following affects most of the electrical and thermal properties of materials?

The electrons, particularly the outermost one.

What are the valence electrons?

The outer shell electrons.

How do you call the strong bond between hydrogen atoms?

Covalent bond

What are Van der Waals forces?

Weak secondary bonds between atoms.

Which of the following is not a viscoelastic material?

Metal

In molecules of the same composition, what are variations of atomic arrangements known as?

Isomers

Which of the following is false?

The acceleration of a body rotating with a constant angular velocity is zero.

What do you call the one-fourth of a great circle?

Quadrant

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

Circle

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

Pay off

If f'(x₁) = 0, then point (x₁, y₁) is called:

Inflection point

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?

Precipitation

The length of time at which the original cost of capital used to purchase a unit has already been recovered.

Write off period

The actual interest earned by a given principal is known as:

Effective interest

What is the temperature in degrees Celsius at absolute zero?

−273°C

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?

Ohm's law

In electricity, it is an ability of an element to resist the flow of current. What is this?

Resistance

In electrical circuits, how do you call the reciprocal of resistance?

Conductance

How do you call a line segment from the center of a regular polygon to the midpoint of a side? It is also called the inradius, the radius of an incircle.

Apothem

How do you call a method of describing a set where the elements are separated by commas and enclosed in braces?

Tabular or roster form