MESL(YELLOW BOOK 10.1) Flashcards
1
Q
A number system using a place value (or base) of 60.
A
Sexagesimal number system
2
Q
What is the radix of the binary number system?
A
2
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
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
5
Q
The base number of the number system.
A
Radix
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
7
Q
A number system using a plane value or base of 20
A
Vigesimal number system
8
Q
What is another name of octal number system?
A
Octenary number system
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.
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
11
Q
The speed of light is nearly
A
3 x 105 km/s
12
Q
If deka means 101 and kilo means 103, then 102 is
A
Hector
13
Q
1 gross is equivalent to
A
144 pieces
14
Q
The speed of 10 exponent google or 10google is called
A
Googleplex
15
Q
100 kilograms is equivalent to 1
A
Quintal
16
Q
The number 1 followed by 100 zeroes or 10^100 is called
A
17
Q
The terms “dozen” and “gross” used what number system?
A
Duodecimal number system
18
Q
One section is equivalent to 1 ___ .
A
Square statute mile
19
Q
1 cubic meter is equivalent to 1 ___ .
A
Stere
20
Q
The number followed by 15 zeros is known as
A
One quadrillion
21
Q
1 electron volt is equivalent to how many Joules?
A
x 10^-19
22
Q
A
23
Q
The pressure of 1 torr is equivalent to how many Pascals?
A
133.3
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
25
1 horsepower is equivalent to how many Watts?
746 Watts
26
One foot is equivalent to how many hands?
3
27
1 Btu is equivalent to how many Joules?
1054 Joules
28
The gravitational constant G is equivalent to ___ N.m2/kg^2
6.67 x 10^-11
29
Which is not equivalent to 1 atm?
1000 kg/cm^2
30
Absolute zero is
0 K
31
An astronomical unit is approximately equal to
150 million km
32
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
240 inches
33
Ninety degrees is equal to
1.57 rad
34
The following type item, which is common to both the fixed and operating cost of an enterprise is
Taxes
35
The center of gravity of an isosceles triangle whose height H is on the median line
2/3 H from the vertex
36
Circular pitch times diametral pitch equals
1/p
p
p2
1.0
p
37
The standard acceleration due to gravity, g is equal to
35.30 km/hr/sec
38
The number of board feet in a plank 3 inches thick, 1 foot wide and 20 foot length is
60
39
The nearest whole number to the value of 2/3 (700)^2/3 is
54
40
It occurs when a unique product or service is available only from a single supplier and entry of all other possible suppliers prevented:
Monopoly
41
The use of carbon in steel
Increases the hardness
42
The loss of the weight of the body submerged in a fluid is
Equal to the weight of the fluid displaced
43
The side opposite the right angle of a right triangle
Hypotenuse
44
For a simple beam supported at each end and which is uniformly loaded
The shear at the center of the beam Is zero
45
The difference between the book value and the actual lower resale value is
Sunk cost
46
In mechanics, if mass (M), length (L), and time (T) are selected as primary units, force (F) will have the following equation
F = MLT^-2
47
A general principle in the motion of a body can be stated as follows (F = force, M = mass, V= velocity, D = change, T = time)
FT = MDV
48
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
Theorem
49
An instrument for measuring specific density of fluids
Hydrometer
50
A statement of equality between two ratios:
Proportion
51
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.
Photon energy varies with source intensity, i.e. a bright light source emits photons or higher energy than a dim source.
52
The series expansion for cos x contains which powers of x?
0, 2, 4, 6, 8, …
53
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
None of these
54
What is the equivalent expression for sin 2x?
(2 sin x)/ sec x
55
Output over input
Efficiency
56
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 rate of change of energy
57
A one-candle power light source radiates luminous flux at the rate of
4p lumens
58
The volume of a circular cylinder is equal to the product of its base and altitude
Theorem
59
A plane closed curve, all points of which are the same distance from a point within, called the center is
Circle
60
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
hK/a
61
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 straight line
62
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
Straight line depreciation plus average interest
63
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=F [i/((1+i)^n-1)]
64
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?
The engineer will be protected by a statute of limitation law.
65
An “annuity” is defined as
A series of equal payments occurring at equal period of time
66
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?
Cancellation of his/her Errors and Omissions insurance
67
In the formula P = F(1+i)^ -n is called the
Single payment present worth factor
68
What is the name for a vector that represents the sum of two vectors?
Resultant
69
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
Capital recovery factor and sinking fund factor are reciprocals
70
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 helix
71
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
Each orbital can contain one electron
72
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
Electric field maxima and minima occur out of phase with those if the associated magnetic field
73
What is a possible outcome of an experiment called?
An event
74
In probability theory, what is the set of all possible outcomes of an experiment called?
A sample space
75
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
Wave frequency changes on entering a medium where the velocity of propagation is changed.
76
How can the values of a random variable defined over a sample space be described?
Always numerical
77
If two random variables are independently distributed, what is their relationship?
They are uncorrelated
78
Frequency f of monochromatic yellow light which as a wavelength 1 or 589 nm in vacuum is nearest to:
510, 000 Ghz
79
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
Sound waves do not exhibit reaction in passing between media
80
The chemical process which occurs when water is added to cement is
Hydration
81
The element tin has ten different stable isotopes. The atomic nuclei of all isotopes have the same
Number of protons
82
Which of the following probability is not valid?
If events E1 and E2 are mutually exclusive, then P(E1 + E2) = P(E1) + P(E2) – P(E1E2)
83
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 ) Or (b)
84
An amphoteric hydroxide is one which:
May act as either a base or an acid in chemical reactions
85
If y = cos x, what is dy/ dx?
-sin x
86
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
Air is more humid on rainy days
87
Which of the following metals has the highest specific heat capacity at 100oC?
Aluminum
Bismuth
Iron
copper
Aluminum
88
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 ) Or (b)
89
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?
Sinusoid
90
GATT stands for
General agreement of tariff and trade
91
Which of the following is a member of the halogen family?
Fluorine
92
What is the coordination number of a face-centered cubic unit cell?
12
93
The letter D in the Roman Numerals is
500
94
Which of the following elements does not have a face centered cubit structure?
Aluminum
Sodium
Silver
Copper
Sodium
95
How many atoms are in a hexagonal close-packed cell?
6
96
Hydrogen is common to all
Acids
97
A sample of a substance, to which a chemical formula can be assigned whose weight is equal to its formula weight is termed
Mole
98
Which of the following establishes ethical behavior among professional?
Hippocratic oaths
99
Which of the following is the strongest type of bond?
Covalent
