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ELEMENTS > MESL(YELLOW BOOK 10.1) > Flashcards

MESL(YELLOW BOOK 10.1) Flashcards

1
Q

A number system using a place value (or base) of 60.

A

Sexagesimal number system

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2
Q

What is the radix of the binary number system?

A

2

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3
Q

In Roman numerals, the doorframe written with the letter indicates that the number equivalent to the letter is to be multiplied by

A

100, 000

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4
Q

A number system using a place value (or base) of 10.
Decimal number system
Denary number system
Denary number system
All of the above

A

All of the above

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5
Q

The base number of the number system.

A

Radix

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6
Q

A number system which needs sixteen symbols, the 10 numerals and the letters A, B, C, D, E, and F is called

A

Hexadecimal number system

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7
Q

A number system using a plane value or base of 20

A

Vigesimal number system

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8
Q

What is another name of octal number system?

A

Octenary number system

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9
Q

Indicate the false statement about rules of divisibility.
-The number is divisible by 9 if the sum of its digits is divisible by 9.
-The number is divisible by 4 if the number formed by the last 2 digits is divisible by 3.
-The number is divisible by 12 if it is divisible by 4 and 3.
-The number is divisible by 5 if it ends with 5 or 0.

A

The number is divisible by 4 if the number formed by the last 2 digits is divisible by 3.

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10
Q

In roman numerals, the bar written above the letter indicates that number equivalent to the letter is to be multiplied by

A

10, 000

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11
Q

The speed of light is nearly

A

3 x 105 km/s

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12
Q

If deka means 101 and kilo means 103, then 102 is

A

Hector

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13
Q

1 gross is equivalent to

A

144 pieces

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14
Q

The speed of 10 exponent google or 10google is called

A

Googleplex

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15
Q

100 kilograms is equivalent to 1

A

Quintal

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16
Q

The number 1 followed by 100 zeroes or 10^100 is called

A

Google

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17
Q

The terms “dozen” and “gross” used what number system?

A

Duodecimal number system

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18
Q

One section is equivalent to 1 ___ .

A

Square statute mile

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19
Q

1 cubic meter is equivalent to 1 ___ .

A

Stere

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20
Q

The number followed by 15 zeros is known as

A

One quadrillion

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21
Q

1 electron volt is equivalent to how many Joules?

A

x 10^-19

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22
Q
A
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23
Q

The pressure of 1 torr is equivalent to how many Pascals?

A

133.3

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24
Q

The radius of the Earth’s orbit around the sun (the average distance between the Sun and Earth) is known as

A

Astronomical unit

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25
Q

1 horsepower is equivalent to how many Watts?

A

746 Watts

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26
Q

One foot is equivalent to how many hands?

A

3

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27
Q

1 Btu is equivalent to how many Joules?

A

1054 Joules

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28
Q

The gravitational constant G is equivalent to ___ N.m2/kg^2

A

6.67 x 10^-11

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29
Q

Which is not equivalent to 1 atm?

A

1000 kg/cm^2

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30
Q

Absolute zero is

A

0 K

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31
Q

An astronomical unit is approximately equal to

A

150 million km

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32
Q

Point “A” in an irregular shaped rotating body is 10 ft from an instantaneous axis. At the same instant a point “B” in the body is to have twice the velocity

A

240 inches

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33
Q

Ninety degrees is equal to

A

1.57 rad

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34
Q

The following type item, which is common to both the fixed and operating cost of an enterprise is

A

Taxes

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35
Q

The center of gravity of an isosceles triangle whose height H is on the median line

A

2/3 H from the vertex

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36
Q

Circular pitch times diametral pitch equals
1/p
p
p2
1.0

A

p

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37
Q

The standard acceleration due to gravity, g is equal to

A

35.30 km/hr/sec

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38
Q

The number of board feet in a plank 3 inches thick, 1 foot wide and 20 foot length is

A

60

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39
Q

The nearest whole number to the value of 2/3 (700)^2/3 is

A

54

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40
Q

It occurs when a unique product or service is available only from a single supplier and entry of all other possible suppliers prevented:

A

Monopoly

41
Q

The use of carbon in steel

A

Increases the hardness

42
Q

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

A

Equal to the weight of the fluid displaced

43
Q

The side opposite the right angle of a right triangle

A

Hypotenuse

44
Q

For a simple beam supported at each end and which is uniformly loaded

A

The shear at the center of the beam Is zero

45
Q

The difference between the book value and the actual lower resale value is

A

Sunk cost

46
Q

In mechanics, if mass (M), length (L), and time (T) are selected as primary units, force (F) will have the following equation

A

F = MLT^-2

47
Q

A general principle in the motion of a body can be stated as follows (F = force, M = mass, V= velocity, D = change, T = time)

A

FT = MDV

48
Q

Two triangles are congruent if two angles and the included side of one are equal respectively to two angles and the included side of the other

A

Theorem

49
Q

An instrument for measuring specific density of fluids

A

Hydrometer

50
Q

A statement of equality between two ratios:

A

Proportion

51
Q

All of the following statements about photos are correct, EXCEPT:

-Velocity of photons in vacuum is c, the speed of light, 3 x 1010 cm/sec
-Photon energy varies with source intensity, i.e. a bright light source emits photons or higher energy than a dim source.
-Energy of photons varies according to E = hf, when h is Planck’s
-Photons are small quanta of electromagnetic energy.

A

Photon energy varies with source intensity, i.e. a bright light source emits photons or higher energy than a dim source.

52
Q

The series expansion for cos x contains which powers of x?

A

0, 2, 4, 6, 8, …

53
Q

A principal sum P is invested at a nominal interest rate r, compounded m times a year, for n years. The accumulated amount at the end of this period will be

P(1+r/m)^r
P(1+r/m)^n/m
None of these
P(1+r/m)^m

A

None of these

54
Q

What is the equivalent expression for sin 2x?

A

(2 sin x)/ sec x

55
Q

Output over input

A

Efficiency

56
Q

Which of the following is the definition of the Joule?
A kg-m/s2
A rate of change of energy ? haha ok
A unit of power
A Newton Meter

A

A rate of change of energy

57
Q

A one-candle power light source radiates luminous flux at the rate of

A

4p lumens

58
Q

The volume of a circular cylinder is equal to the product of its base and altitude

A

Theorem

59
Q

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

A

Circle

60
Q

If the sine of angle A is given as K, what would be the tangent of angle A?
-Ha/K
-hK/a
-aK/h
-oK/a

A

hK/a

61
Q

The equation y = a1 + a2x is an algebraic expression for which of the following choices?
A projectile energy
A straight line
A cosine expansion series
Projectile motion

A

A straight line

62
Q

In determining the average annual cost of a project, the formula
(P-S)/n + (P-S)(i/2)((n+1)/n)+ S_i
Represents the economic method of

A

Straight line depreciation plus average interest

63
Q

A fund established to produce a desired amount at the end or a given period by means of series of payments throughout the period is called a sinking fund, and is represented by the formula:

A

A=F [i/((1+i)^n-1)]

64
Q

A professional engineer is hired by a homeowner to design a septic tank and leach field. The septic tank fails after 18 years of operation. What sentence best describes what comes next?

A

The engineer will be protected by a statute of limitation law.

65
Q

An “annuity” is defined as

A

A series of equal payments occurring at equal period of time

66
Q

A professional engineer in private consulting practice makes a calculation error that causes the collapse of a structure during the construction process. What can the engineer expect in the future?

A

Cancellation of his/her Errors and Omissions insurance

67
Q

In the formula P = F(1+i)^ -n is called the

A

Single payment present worth factor

68
Q

What is the name for a vector that represents the sum of two vectors?

A

Resultant

69
Q

Which of the following relationships between compound interest factors in not correct?
-Single payment compound amount factor and single payment presents worth factor are reciprocal
-Capital recovery factor and sinking fund factor are reciprocals
-Sinking fund factor and uniform series compound among factors are reciprocals.
-Capital recovery factor equals sinking fund factor plus the interest rate

A

Capital recovery factor and sinking fund factor are reciprocals

70
Q

What type of curve is generated by a point which moves in uniform circular motion about an axis, while traveling with a constant speed, parallel to the axis?

A

A helix

71
Q

All of the following statements about the electron structure of atom are correct, except:
-K, L, M, etc shells are designation representing the principal quantum number = 1, 2, 3, etc.
-Each orbital can contain one electron
-Each shell may contain up to n2 orbitals, but not exceeding
-Electrons of highest energy are located in the outer orbitals

A

Each orbital can contain one electron

72
Q

All of the statements about electromagnetic waves are correct, EXCEPT

-Directions of the electric field, and of propagation are mutually perpendicular
-Electromagnetic waves are transverse waves that consist of mutually coupled, changing electric and magnetic fields.
-Field intensity changes take place, but no displacement of mass occurs in the path of electromagnetic waves.
-Electric field maxima and minima occur out of phase with those if the associated magnetic field

A

Electric field maxima and minima occur out of phase with those if the associated magnetic field

73
Q

What is a possible outcome of an experiment called?

A

An event

74
Q

In probability theory, what is the set of all possible outcomes of an experiment called?

A

A sample space

75
Q

All of the following are characteristic of waves, EXCEPT:

-Wave frequency changes on entering a medium where the velocity of propagation is changed.
-Interference is interaction of waves. The observed effect is based on the principle of superposition
-Diffraction, or bending of a wave, occurs around the edges and obstacles
-Energy of a wave varies with the square of its amplitude

A

Wave frequency changes on entering a medium where the velocity of propagation is changed.

76
Q

How can the values of a random variable defined over a sample space be described?

A

Always numerical

77
Q

If two random variables are independently distributed, what is their relationship?

A

They are uncorrelated

78
Q

Frequency f of monochromatic yellow light which as a wavelength 1 or 589 nm in vacuum is nearest to:

A

510, 000 Ghz

79
Q

All of the following statements about sound are correct, EXCEPT:

-Sound is propagated by longitudinal compression waves
-Velocity of sound in solids may be calculated from their elastic modulus and density
-Velocity of sound in gases is independent of pressure
-Sound waves do not exhibit reaction in passing between media

A

Sound waves do not exhibit reaction in passing between media

80
Q

The chemical process which occurs when water is added to cement is

A

Hydration

81
Q

The element tin has ten different stable isotopes. The atomic nuclei of all isotopes have the same

A

Number of protons

82
Q

Which of the following probability is not valid?

A

If events E1 and E2 are mutually exclusive, then P(E1 + E2) = P(E1) + P(E2) – P(E1E2)

83
Q

Consider a strictly concave function in one variable, with a lower bound and an upper bound on. For what value(s) of x will the function be minimized?

At the lower bound of x
At the upper bound of x
Strictly between the upper and lower bounds of x

A

(a ) Or (b)

84
Q

An amphoteric hydroxide is one which:

A

May act as either a base or an acid in chemical reactions

85
Q

If y = cos x, what is dy/ dx?

A

-sin x

86
Q

Which of the following does not illustrate the effect of temperature or pressure on gas solubility?
-Boiling frees water of gases
-Soda pop is bottled under pressure
-Air is more humid on rainy days
-Air bubbles form on the side of a warm glass of water

A

Air is more humid on rainy days

87
Q

Which of the following metals has the highest specific heat capacity at 100oC?

Aluminum
Bismuth
Iron
copper

A

Aluminum

88
Q

Consider a strictly concave function in one variable, with a lower bound and an upper bound on. For what value(s) of x will the function be minimized?

At the lower bound of x
At the upper bound of x
Strictly between the upper and lower bounds of x

A

(a ) Or (b)

89
Q

If the second derivative of the equation of a curve is proportional to the negative of the equation of the same curve, what is the curve?

A

Sinusoid

90
Q

GATT stands for

A

General agreement of tariff and trade

91
Q

Which of the following is a member of the halogen family?

A

Fluorine

92
Q

What is the coordination number of a face-centered cubic unit cell?

A

12

93
Q

The letter D in the Roman Numerals is

A

500

94
Q

Which of the following elements does not have a face centered cubit structure?

Aluminum
Sodium
Silver
Copper

A

Sodium

95
Q

How many atoms are in a hexagonal close-packed cell?

A

6

96
Q

Hydrogen is common to all

A

Acids

97
Q

A sample of a substance, to which a chemical formula can be assigned whose weight is equal to its formula weight is termed

A

Mole

98
Q

Which of the following establishes ethical behavior among professional?

A

Hippocratic oaths

99
Q

Which of the following is the strongest type of bond?

A

Covalent

ELEMENTS (7 decks)

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