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Correl 1 > GEAS > Flashcards

GEAS Flashcards

1
Q

Calculate the percent composition Sulfur in Sulfuric acid, H2SO4. The molar mass of Sulfur is 32.06 amu.

A

B. 32.69%

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2
Q

It consists of microscopic particles dispersed in a solvent. Its particles are larger than the size of a molecule but smaller than particles that can be seen with naked eye.

A

C. COLLOIDS

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3
Q

Atoms with the same number mass number but different atomic number.

A

C. ISOBARS

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4
Q

When elements A and B form a series of compounds, the ratio of masses of B that combine (in different compounds) with 1 gram of A can be reduced to small whole numbers. This is according to what fundamental chemical law?

A

C. LAW OF MULTIPLE PROPORTION

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5
Q

Protons and neutrons can be broken down further into elementary particle called

A

A. QUARKS

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6
Q

When the elements are arranged in the order of increasing atomic number, elements with similar properties appear at periodic intervals.” This statement is known as __

A

C. THE PERIODIC LAW

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7
Q

is a horizontal row in the periodic table that provides the number of the last main energy level. It is also called as series.

A

A. PERIOD

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8
Q

Calculate grams in 3 moles of Carbon Dioxide: CO2

A

B 132 g CO2

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9
Q

Calculate number of moles in 32.0 g of Methane: CH4

A

A. 2 moles CH4

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10
Q

Determine mass in grams of 40.0 moles of Sodium Carbonate, Na2CO3. The molar mass of Sodium is 23 amu.

A

A. 4240 g Na2CO3

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11
Q

A current of 0.075A passes through a solution of silver nitrate for 10minutes. How much silver is deposited? At. Wt. of silver is approximately 108

A

A. 0.504 g

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12
Q

What is the volume of 1 moles of a gas at 2 atm and 273 K?

A

A. 11.2 L

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13
Q

At the surface of the earth, the gravitational acceleration is known. assuming the earth to be a sphere with a given radius, compute the mass of the earth in kg?

A

C. 5.967x10^24

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14
Q

What is the maximum speed at which a car can round a curve of 25m radius on a level road if the coefficient of static friction between the tires and road is 0.80?

A

B. 14 m/s

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15
Q

Determine the angle of super elevation for a highway curve of radius 183 m so that there will be no “side thrust” for a speed of 72 kph.

A

B. 12.57

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16
Q

A spaceship orbits the moon at a height of 20 km. Assuming it to be subject only to the gravitational pull of the moon, find the time it takes for one orbit.

A

A. 110 min

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17
Q

Starting from rest, a hoop of 20 cm radius rolls down a hill to a point 5.0 m below its starting point. How fast is it rotating at that point?

A

B. 35 rad/s

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18
Q

A rubber ball of mass 0.25 kg is dropped from a height of 10m. If the coefficient of restitution is 0.56, how high is the ball’s second rebound?

A

C. 0.98

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19
Q

Inelastic collision is a collision in which the total kinetic energy after the collision is _________ before collision.

A

B. less than

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20
Q

A 15g bullet is fired horizontally into a 3kg block of wood suspended by a long cord. The bullet sticks in the block. Compute the velocity of the bullet if the impact causes the block to swing 10cm above the initial level.

A

A. 281 m/s

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21
Q

A 2 kg brick is moving at a speed of 6 m/s. How large a force F is needed to stop the brick in a time of 0.0007 s?

A

C. -1.71x10^4 N

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22
Q

Three vector forces F1, F2 and F3 act on a particle of mass m = 3.80 kg as shown in the figure, calculate the particle’s acceleration.

A

A. 7.568 m/s^2

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23
Q

The relation 3t=√3x+6 describes the displacement of a particle in one direction, where x is in meters and t is in seconds. Find the displacement when the velocity is zero.

A

A. 0 m

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24
Q

A marksman aimed his rifle at the bull eye’s of a target 50 m away. If the bullet speed is 350 m/s, how far below the bull’s eye does the bullet strikes the target.

A

A. 10 cm

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25
Q

Erwin stands on a scale in an elevator. When the elevator is at rest, the scale reads 700 N. When the elevator starts to move, the scale reads 600 N. Which of the following is true?

A

A. the elevator goes down

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26
Q

Determine the veracity of the statements:
Statement 1: The coefficient of static friction (u) depends upon the type of materials or the nature of surfaces in contact.
Statement 2: The coefficient of static friction (u) is dependent on normal reaction, length, and area of contest.

A

C. only the first statement is true

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27
Q

A windmill is initially turning at a rate of 1 revolution per 4.8 seconds. The wind strengthens, applying an angular acceleration of 0.2 rad/s^2. Over the next 8 seconds, what angle does the windmill turn? Express your answer in gradians.

A

C . 1083

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28
Q

Compute the maximum possible efficiency of a heat engine operating between the temperature limits of 90°C and WPC,

A

A. 36.65%

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29
Q

Find the change in internal energy for a 6 cm cube of iron as it is heated from 20°C to 300°C. For iron, -0.11cal/gC and the volume coefficient of thermal expansion is 3.6x10-5 °C-1. The mass of the cube is 1700g

A

A. 218kJ

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30
Q

The police car is moving toward a warehouse at 30 m/s. What frequency doss the driver hear reflected from the warehouse? Considering that the frequency emitted by the siren is 350 Hz.

A

B. 417 Hz

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31
Q

A 2-ohm heater takes 5 amperes while submerged in 1400 grams of water contained in a vessel with a water equivalent to 100 grams, What is the efficiency of the system if the time required for the temperature to change by 20 degrees Celsius is 3.1007 hours?

A

D. 90%

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32
Q

If the absolute pressure at the bottom of the ocean is 120 kPa, how deep is the water at this point?

A

A. 1.848 m

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33
Q

The back surfaces of automobile headlights are curved

A

D. to concentrate light in one direction

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34
Q

The sky appears blue because.

A

A. the earth’s atmosphere scatters more blue light than red

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35
Q

Calculate the cyclotron frequency to accelerate alpha particles (Hes) in a magnetic field of 10^5 G.

A

C. 3.8 MHz

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36
Q

A particle makes SHM along a straight line and its velocity when passing through points 4 and 5 cm from the center of its path is 15 and 10 cm/s, respectively. Find the time period of motion.

A

D. 1.69 secs

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37
Q

A spaceship moving away from Earth with speed of 0.900c fires a robot space probe in the same direction as its motion, with speed of 0.700c relative to the spaceship. What is the probe’s velocity relative to the Earth?

A

D. 0.982 c

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38
Q

What nominal rate, compounded semi-annually, yields same amount as 25% compounded quarterly?

A

A. 25.78%

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39
Q

By the condition of a will, the sum of P1500 is left to a boy named Xyler to be held in trust by his guardian until it amounts to P24,000, when will the boy receive the money if the fund invested at 7% compounded semi-annually?

A

C. 40.298 years

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40
Q

If P26,500 shall accumulate for 5 years at 7% compounded bimonthly, find the compounded interest at the end of 5 years.

A

D. 11.029.18

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41
Q

A sum of P15,000 is invested now and left for eight years, at which time the principal is withdrawn. The interest has accrued and is left for another eight years. If the affective annual interest rate is 15%, what will be the withdrawal amount at the end of the 16th year?

A

B. 94, 470.97

42
Q

When will an amount be tripled with an interest rate of 12%?

A

D. 9.7 years

43
Q

Raphael deposit P150 in the bank now and plans to withdraw P100 next year. What will be the amount of money left in the bank after 10 years of his withdrawal? Effective annual interest is 10%?

A

C. 168.59

44
Q

A market situation where there are few buyers and many sellers is called:

A

B. Oligopsony

45
Q

With straightforward use of the gradient conversion factors, find the present equivalent value at the beginning of the first year of a certain end-of-year cash flows that are expected to be P1,000 for the second year, P2000 for the third year, and P3,000 for the fourth year and that, if interest is 15% per year.

A

D. P3,790

46
Q

Suppose that one million pesos is borrowed now at 15% interest per annum compounded annually. The first payment of P300,000 is made 4 years from now. What is the remaining amount to be paid?

A

C. 1,449,006

47
Q

A man wishes to have Php 40,000 in a certain fund at the end of 8 years. How much should he invest in fund that will pay 6% compounded continuously?

A

B. PhP 24,751.34

48
Q

A manufacturer produces certain items at a labor cost per unit of P315, material cost per unit of P100, and a variable cost of P3.00 per unit. If the item has a selling price of P995, how many units must be manufactured each month for the manufacturer to break even if the monthly overhead is P461,600.

A

D. 800

49
Q

Molybdenum has a BCC crystal structure, an atomic radius of 0.1363 nm, and an atomic weight of 95.94 g/mol. Compute its theoretical density.

A

B. 10.21 g/cm^3

50
Q

What is the mathematical description of an object or substance’s tendency to be deformed non-permanently when a force is applied to it?

A

A. Modulus of elasticity

51
Q

It is the point at which there is an appreciable elongation of the material without any corresponding increase of load

A

B. Yield Point

52
Q

It is the ability of a material to absorb energy not only from clastic deformation, but from plastic deformation as well.

A

A. Toughness

53
Q

A broadcasting corporation purchased an equipment that costs P7,000, last 8 years and hs a salvage value of P350. determine the book value during the 4th year using declining balance method.

A

C. 1,565

54
Q

Niobium has an atomic radius of 0.1430 nm and a density of 8.57 g/cm3. Determine its crystal structure.

A

B. BCC

55
Q

Magnesium has an HCP crystal structure, a c/a ratio of 1.624, and a density of 1.74 g/cm3.Compute the atomic radius for Mg.

A

A. 0.160 nm

56
Q

The metal rhodium has an FCC crystal structure. If the angle of diffraction for the (311) set of planes occurs at 36.12 degrees (first-order reflection) when monochromatic x-radiation having a wavelength of 0.0711 nm is used, compute the atomic radius for a rhodium atom.

A

B. 0.1345

57
Q

What mechanical property of a material which is a time-dependent permanent strain under stress?

A

B. Creep

58
Q

What field of study encompasses the procurement and production of metals?

A

A. Metallurgy

59
Q

For hardness penetration test, the Rockwell test uses what type of penetrator?

A

A. Sphere

60
Q

This occurs when the result of an arithmetic operation is a larger number than the output register can accommodate.

A

A. Overflow

61
Q

It consists of the instructions and data that the computer hardware manipulates to perform usual work.

A

B. Software

62
Q

To expose a data member to the program, you must declare the data member in the ___, section of the class.

A

C. public

63
Q

To be called object-oriented, a programming language must allow

A

C. inheritance

64
Q

A function that returns no values to the program that calls it is

A

B. type void

65
Q

The use of the break statement in a switch statement is

A

A. optional

66
Q

If p and q are assigned the values 2 and 3 respectively then the statement p=q++

A

C. assigns a value 3 to p

67
Q

What will be the output of the program?
#include<stdio.h>
int main()
{
int x=12, y=7, z;
z=x!=4 || y==2;
printf("z=%d\n", z);
return 0;
}</stdio.h>

A

B. z=1

68
Q

What will be the output of the program?
#include<stdio.h>
int main()
{
printf(5+"Good Morning\n");
return 0;
}</stdio.h>

A

Morning

69
Q

Which of the following will be the correct output for the C#.NET program given below?
int val;
for (val = -5; val <= 5; val ++)
{
switch (val)
{
case 0:
Console.Write(“Mapua”);
break;
}

if (val > 0)
    Console.Write ("E");
else if (val < 0)
    Console.Write ("C");
}
A

C. CCCCCMapuaEEEEE

70
Q

Which of the following is a form of business/company ownership?

A

D. all of the choices

71
Q

It involves a voluntary association of people, called members, who operate an enterprise collectively. The aim of his organization is not to make profit but to give support to their members.

A

B. Cooperatives

72
Q

This process can be used to measure achievement in Total Quality Management (TQM) system. Also, it provides the essential control and measure feedback loop necessary for quality improvement.

A

A. Benchmarking

73
Q

It is the rational way to ensure that our limited time is always used effectively.

A

C. Time Management

74
Q

What management functions refers to the process of anticipating problems, analyzing them, estimating their likely impact and determining actions that will lead to the desired outcomes and goals?

A

A. Planning

75
Q

The process of partitioning an organization into subunits to improve efficiency is known as

A

C. Departmentalization

76
Q

What type of committee companies or corporations created for a short-term purpose only?

A

D. Ad hoc Committee

77
Q

What is NOT a factor to be taken into consideration when selecting an organizational structure for managing projects?

A

C. Location of Project

78
Q

What is defined as a course of action aimed at ensuring that the organization will achieve its objectives?

A

B. Strategy

79
Q

Refers to the process of ascertaining whether organizational objectives have been achieved and determining what activities should then be taken to achieve objectives better in the future.

A

Inspection (Pinoy bix)

80
Q

What project life cycle model is the most relevant for information technology project?

A

B. Waterfall Model

81
Q

This technopreneur gave the world the first Ethernet controller chip and founded PhilDev to to promote science, technology, research and entrepreneurship that would advance long-term economic growth and eradicate poverty in the Philippines.

A

A. Diosdado Banatao

82
Q

In project management, “R & D” stands for:

A

B. Research and Development

83
Q

Trademarks relate to ____________.

A

D. Brand Identity

84
Q

An entrepreneur who starts a business without external funding is utilizing a technique referred to as

A

D. Bootstrapping

85
Q

How much is the highest possible liability for copyright infringements?

A

C. P1,500,000

86
Q

During the month of July, sales at a Shoe Mart totaled P125,000. The cost of the shoes was P51,250. The owner paid P43,300 for supplies, insurance, rent, and utilities during the month. The P30,450 left over represents the owner’s

A

A. Net Profit

87
Q

The future that you desire to create is known as a

A

D. Vision

88
Q

Which of the following is an example of a fixed operating expense:

A

A. Insurance

89
Q

Small-business owners develop and use operating procedures so that everyday tasks are performed in a(n) ___________ way.

A

D. Standard

90
Q

Sustainable development means

A

A. Meeting present needs without compromising on future needs

91
Q

The most important remedy to avoid negative impact due to industrialization is

A

C. Industry should treat all the wastes generated by it before disposal

92
Q

The pyramid of energy is always upright for any ecosystem, this situation indicates that

A

All trophic levels have the same energy conversion efficiency

93
Q

Ozone depletion is caused due to increase in the level of

A

C. Cholorofluorocarbon

94
Q

Human ear is most sensitive to noise in which of the following frequency range?

A

13-16 kHz

95
Q

Industries generating hazardous waste are classified as ___________

A

D. Red

96
Q

The main difference between primary air poliutants and secondary air pollutants is

A

C. Former are released directly into the atmosphere, while the latter are formed by chemical reactions in the atmosphere.

97
Q

If water pollution continuous at its present rate, it will eventually

A

C. Makes Oxygen molecules unavailable to water plants

98
Q

The main gases responsible for the Greenhouse Effect are:

A

Ozone and water

99
Q

Which of the following is not produced as exhaust of vehicles

A

B. Fly ash

100
Q

A 20kg sphere having an initial velocity of 38 m/s along a frictionless horizontal surface collides with a 26kg block at the instance when the block has a velocity of 10m/s in the same direction. If the block’s velocity becomes 20m/s immediately after the impact, what is the velocity of the sphere after the impact?

A

D. 25 m/s

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