Plumbing Arithmetic 4.1

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問題一覧

The following are the primary (basic) SI metric) units, except

Force

The following are the secondary SI (metric) units, except

Temperature

Which of the following is not an intensive property?

Mass

Which if the following is not an extensive property?

Volume

The mass of the substance per unit volume is

Density

The weight of the substance per unit volume is,

Specific weight

The ratio of the specific weight to acceleration of gravity is

Density

The reciprocal of density is

Specific volume

It occurs when a decrease in spelling price result in a greater increase than proportionate increase in sales

Elastic demand

It occurs when a decrease in the selling price produces a less than proportionate increase in sales.

Inelastic demand

It occurs when the mathematical product of volume and price is constant.

Unitary elasticity of demand

It is calculated using principal only, ignoring any interest that had been accrued in preceding periods

Simple interest

It is the interest for an interest period is calculated on the principal plus total amount of interest accumulated in previous periods.

Compound interest

Which of the following is not a vector quantity?

Mass

The product of force and the time during which it acts is known as:

Impulse

The property of the body which measures its resistance to change in motion.

Acceleration

The study of motion without reference to the forces which causes motion is known as:

Dynamics

The point through which the resultant of the distributed gravity force passes regardless of the orientation of the body in space is known as:

Center of gravity

The loss of weight of a body submerged in a fluid is:

Equal to the weight of the fluid displaced

One Joule of work is done by a force of one Newton acting through a distance of:

The path of the projectile is:

A parabola

One mole of a gas at standard temperature and pressure (STP) conditions occupies a volume equal to:

22.4 li

This implies the resistance to shock or difficulty of breaking and expresses the work per unit volume required to fracture a material.

Ductility

The reciprocal of bulk modulus of elasticity of any fluid is called:

Compressibility

Used as a guide to selecting the most efficient centrifugal pump:

Specific speed

Heat transmission carried by the movement of heated fluids away from a hot body, as in the heating of water by a hot surface:

Convection

An instrument for measuring high temperature gases:

Pyrometer

The equilibrium temperature that a regular thermometer measures if exposed to atmospheric air is:

Dry bulb temperature

Momentum = Force x ____

Time

The recorded current value of an asset is known as

Book value

An instrument for measuring specific gravity of fluids:

Hydrometer

A method of depreciation whereby the amount to recover is spread over the estimated life of the asset in terms of the periods or units of output is called:

Straight line method

The method of depreciation where a fixed sum of money is regularly deposited at compound interest in a real or imaginary fund in order to accumulate an amount equal to the total depreciation of an asset at the end of the asset's estimated life is know as:

Sinking fund method

The amount received from the sale of an additional unit of a product is termed as:

Marginal revenue

An accounting book where the original record of all transactions is ordinarily recorded.

Journal

An interest-earning fund in which equal deposits are made at equal intervals of time for the purpose of gradually accumulating a specific sum of money required at some future date.

Sinking fund

Refers to cost of merchandise which excludes freight and insurance costs:

Book value

The worth of property which is equal to the original cost less depreciation:

Book value

A line which is perpendicular to the x-axis has a slope equal to:

Infinity

In an ellipse, a chord which contains a focus and is in a line perpendicular to the major axis is a:

Latus rectum

An angle more than Π radian (180°) but less than 2Π (360°) radians is:

Reflex angle

An angle more than 90° but less than 180°

Obtuse angles

An angles which are non-right and no straight which are acute and obtuse angles is called:

Oblique angles

Are opposite angles formed between two intersecting lines that are equal.

Vertical angles

In trigonometry, one revolution is equal to, except

Pi radians

It can be defined as the set of all points in the plane the sum of whose distance from two fixed points is a constant.

Ellipse

The area of the region bounded by two concentric circles is called:

Annulus

An arc length, which is equal to the radius of the circle is called:

1 radian

Each of the faces of a regular hexahedron is a

Square

In a conic section, if the eccentricity e > 1, the locus is

Hyperbola

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