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GEAS Exit Exam > KJ Notes > Flashcards

KJ Notes Flashcards

1
Q

Who is the father of modern chemistry?
A. Aristotle
B. Antoine Lavoisier
C. Robert Boyle
D. John Dalton

A

B. Antoine Lavoisier

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2
Q

“The volume of gas is proportional to the amount of substance in moles at constant pressure and temperature.” This statement is known as ____.

A. Avogadro’s principle
B. Archimedes’ principle
C. Rutherford’s principle
D. Bohr’s principle

A

A. Avogadro’s principle

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3
Q

There is no Si base unit for area because:
A. an area has no thickness; hence no physical standard can be built
B. we live in a three (not a two) dimensional world
C. It is impossible to express square feet in terms of meters
D. area can be expressed in terms of square meters

A

D. area can be expressed in terms of square meters

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4
Q

A watt second is a unit of:

A. Force
B. Displacement
C. Power
D. Energy

A

D. Energy

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5
Q

We say that the displacement of a particle is a vector quantity. Our best justification for this assertion is:
A. displacement can be specified by a magnitude and a direction
B. operating with displacements according to the rules for manipulating vectors leads to results in agreement with experiments.
C. a displacement is obviously not a scalar
D. displacement can be specified by three numbers

A

B. operating with displacements according to the rules for manipulating vectors leads to results in agreement with experiments.

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6
Q

The mass number of an atom is equal to:
A. the number of protons
B. the number of nucleons
C. the number of protons and electrons
D. the number of neutrons

A

C. the number of protons and electrons

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7
Q

Which of the following does NOT affect owner’s equity?
A. License to start operation
B. Dividends paid
C. Expense to get license to start operation
D. Invested capital

A

A. License to start operation

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8
Q

The mean free path of molecules in a gas is proportional to:
A. the root-mean-square molecular speed
B. the molecular cross-sectional area
C. the reciprocal of the molecular cross-sectional area
D. the square of the average molecular speed

A

C. the reciprocal of the molecular cross-sectional area

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9
Q

Which of the following statements is FALSE?
A. It is not possible for bonds between a pair of atoms to be different (e.g. different bond lengths or bond energies) in different compounds.
B. The bond length for a pair of atoms is the point of lowest energy.
C. The electrostatic repulsion between two nuclei increases as the atoms are brought together.
D. The repulsion between two nuclei increases as their charge increases.

A

A. It is not possible for bonds between a pair of atoms to be different (e.g. different bond lengths or bond energies) in different compounds.

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10
Q

A ball is in free fall. Upward is taken to be the positive direction. The displacement of the ball during a short time
interval is:
A. positive during both ascent and descent
B. negative during both ascent and descent
C. negative during ascent and positive during descent
D. positive during ascent and negative during descent

A

D. positive during ascent and negative during descent

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11
Q

Acceleration is always in the direction:
A. of the displacement
B. of the net force
C. of the initial velocity
D. opposite to the frictional force

A

B. of the net force

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12
Q

A golf ball of mass m is hit by a golf club so that the ball leaves the tee with speed v. The club is in contact with the ball for time T. The magnitude of the average force on the club on the ball during the time T is:
A. mvT
B. (1/2)mv^2T
C. mV/T
D. mv^2/(2T)

A

C. mV/T

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13
Q

The law which states that the amount of gas dissolved in a liquid is proportional to its partial pressure.
A. Dalton’s Law
B. Henry’s Law
C. Gay Lussac’s Law
D. Raoult’s Law

A

B. Henry’s Law

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14
Q

What is “work in progress” classified as?
A. An asset
B. An expense
C. A liability
D. A revenue

A

A. An asset

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15
Q

In a crystal structure, what is an interstitial atom?
A. An extra atom sitting at a nonlattice point
B. A different element at a lattice point
C. An atom missing at a lattice point
D. A line defect

A

A. An extra atom sitting at a nonlattice point

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16
Q

A physical law that states “Pressure set up in a confined liquid acts equally in all directions and always in right angles to the containing surfaces.”?

A. Pascal’s law
B. Charles law
C. Boyle’s law
D. Torricelli’s law

A

A. Pascal’s law

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17
Q

How many degrees of freedom does a coin rolling on the ground have?

D. Five
C. Two
B. Three
A. One

A

A. One

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18
Q

Which of the following statements is FALSE?
A. The time rate of change of the angular momentum about a fixed point is equal to the total moment of the external forces acting on the system about the point.
B. The coefficient of restitution can be less than zero.
C. The frictional force always acts to resist motion.
D. Momentum is conserved during elastic collisions.

A

B. The coefficient of restitution can be less than zero.

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19
Q

When the volume of 1 kg of an ideal gas is halved while the absolute temperature is also halved, what happens to the pressure?

A. Pressure is cut in half
B. Pressure is unchanged
C. Pressure is doubled
D.Pressure is quartered

A

A. Pressure is cut in half

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20
Q

The capital required to get the project started is called _____.
A. First cost
B. fixed cost
C. variable cost
D. sunk cost

A

A. First cost

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21
Q

A substance is oxidized when which of the following occurs?
A. It turns red.
B. It loses electrons.
C. It becomes more negative.
D. It gives off heat.

A

B. It loses electrons.

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22
Q

Which of the following affects most of the electrical and thermal properties of materials?
A. The atomic weight expressed in grams per gram-atom.
B. The electrons, particularly the outermost ones.
C. The magnitude of electrical charge of the photons.
D. The weight of the atoms.

A

B. The electrons, particularly the outermost ones.

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23
Q

What are van der Waals forces?
A. Weak secondary bonds between atoms
B. Forces between electrons and protons
C. Primary bonds between atoms
D. Forces not present in liquids

A

A. Weak secondary bonds between atoms

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24
Q

What is an annuity?
A. The future worth of a present amount.
B. An annual repayment of a loan.
C. A series of uniform amounts over a period of time.
D. A lump sum at the end of the year.

A

C. A series of uniform amounts over a period of time.

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25
Q

What is the formula for a straight-line depreciation rate?
A. (100% - % net salvage value) / (estimated service life)
B. (% net salvage value) / (estimated service life)
C. (100% net salvage value) / (estimated service life)
D. (average net salvage value) / (estimated service life)

A

A. (100% - % net salvage value) / (estimated service life)

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26
Q

Which of the following are NOT units of pressure?

A. kРа
B. bars
C. N/cm^2
D. 8 kg/m^3

A

D. 8 kg/m^3

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27
Q

Which of the following are intensive properties?
I. Temperature
Il. Pressure
III. Composition
IV. Mass

A. I, Il and III
B. IV only
C. I only
D. I and II

A

A. I, Il and III

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28
Q

Which of the following statements is FALSE?
A. Kinematics is the study of the effects of motion, while kinetics is the study of the causes of motion.
B. The radius of gyration for a mass of uniform thickness is identical to the radius of gyration for a planar area of the same shape.
C. Angular momentum for rigid bodies may be regarded as the product of angular velocity and inertia.
D. The acceleration of any point within a homogeneous body rotating with a constant angular velocity proportional to the distance of that point to the center of mass.

A

C. Angular momentum for rigid bodies may be regarded as the product of angular velocity and inertia.

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29
Q

The mass number of a nucleus is always less than its atomic number is ____.
A. always less than its atomic number
B. the sum of the number of protons and neutrons present in the nucleus
C. always more than the atomic weight
D. a fraction

A

B. the sum of the number of protons and neutrons present in the nucleus

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30
Q

Which property of state is NOT an extensive state?
A. Temperature
B. Number of molecules
C. Volume
D. Mass

A

A. Temperature

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31
Q
  1. An organization is ____.
    A. the physical location where people work
    B. any collection of people who perform similar tasks
    C. a deliberate arrangement of people to accomplish some specific purpose
    D. a group of individuals focused on profit-making for their shareholders
A

C. a deliberate arrangement of people to accomplish some specific purpose

32
Q

Getting 100,000 workers to work together to build an enormous pyramid is evidence of which management function?
A. Planning
B. organizing
C. monitoring
D. budgeting

A

B. organizing

33
Q

Convincing the ministers who controlled money and resources in ancient Egypt that building a pyramid was worth the effort is evidence of which management function?
A. Planning.
B. organizing
C. monitoring
D. leading

A

D. leading

34
Q

Which statement accurately defines work specialization?
A. It is the degree to which tasks are grouped together.
B. Individual employees specialize in doing part of an activity rather than the entire activity.
C. Jobs are ranked relative only to their worth or value to the businesses.
D. Work specialization clarifies who reports to whom.

A

B. Individual employees specialize in doing part of an activity rather than the entire activity.

35
Q

In a system with two moving objects, when a collision occurs between the objects:
A. the total kinetic energy is always conserved.
B. the total momentum is always conserved.
C. the total kinetic energy and total momentum are always conserved.
D. neither the kinetic energy nor the momentum is conserved.

A

B. the total momentum is always conserved.

36
Q

In a system with two moving objects, when a collision occurs between the objects:
A. the total kinetic energy is always conserved.
B. the total momentum is always conserved.
C. the total kinetic energy and total momentum are always conserved.
D. neither the kinetic energy nor the momentum is conserved.

A

B. the total momentum is always conserved.

37
Q

Dealing with conflict, including value disagreements, in order to maintain teamwork.

A. Negotiating
B. Coaching
C. Managing Conflict
D. Resolving Conflict

A

C. Managing Conflict

38
Q
  1. The value of work as a basic economic contribution and as a tool to develop potential is the ___ of work.
    A. instrumental value
    B. due process outcome
    C. intrinsic value
    D. doctrine of employment principles
A

C. intrinsic value

39
Q

A manager is determining what kind of new computers she should purchase for her department. She has made a list of five different computer models for consideration. Which stage of the decision-making process is this?
A. selection of an alternative
B. identification of decision criteria
C. development of alternatives
D. analysis of alternatives

A

C. development of alternatives

40
Q

Which of the following is NOT an example of an interacting group?
A. Standing committee
B. Delphi group
C. Task force
D. Functional department

A

B. Delphi group

41
Q

A newly certified industrial engineer is being interviewed for television on a matter relating to his expertise that affects public safety. The interviewer asks a question about the chances of a cure for AIDS. The engineer should:
A. express his opinion honestly and completely
B. decline to comment
C. recount what he read in a magazine article on the subject
D. suggest everyone get an AIDS test

A

B. decline to comment

42
Q

In the terminology a 500-N block, the 500-N refers to the block’s _____.
A. mass
B. force
C. both mass and weight
D. weight

A

D. weight

43
Q

Two masses m1 and m2, with m1< m2. have momenta with equal magnitudes. How do their kinetic energies compare?
A. KE1 <KE2> КЕ2
C. KE1 = KE2
D. more information is needed</KE2>

A

B. KE1 > КЕ2

44
Q

After purchasing new computers for her department, a manager is now comparing the performance of the new computers to the computers they replaced. Which stage of the decision-making process is she carrying out?
A. analysis of alternatives
B. selection of an alternative
C. evaluation of decision effectiveness
D. implementation of an alternative

A

C. evaluation of decision effectiveness

45
Q

What management functions refer 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. Planning
B. Leading
C. Controlling
D. Organizing

A

A. Planning

46
Q

A non-flow (closed) system contains 1 kg of an ideal gas (Cp = 1.0 kJ/kg-K, Cv = 0.71 kJ/kg-K). The gas temperature is increased by 10°C while 5 kJ of work are done upon the gas. The heat transfer is close to ____.
A.+ 12.1 kJ
B. -3.3 kJ
C. + 7.4 kJ
D. + 2.1 kJ

A

A.+ 12.1 kJ

47
Q

What is the effective annual interest rate on a loan if the nominal interest rate is 12% per year compounded quarterly?
A. 12.55 %
B. 12.30 %
C. 12.00 %
D. 12.60 %

A

A. 12.55 %

48
Q

A steel drum manufacturer incurs a yearly fixed operating cost of P 200,000. Each drum manufactured cost P 160 to produce and sells for P 200. What is the manufacturer’s break-even sales volume in drums per year?
A. 1000
B. 2500
C. 1250
D. 5000

A

D. 5000

49
Q

What is the combined volume of 1.0 g of hydrogen gas and 10.0 g of helium gas when confined at 20°C a 5 atm?
A. 10L
B. 14 L
C. 12 L
D, 16 L

A

B. 14 L

50
Q

An air compressor used for spraying paint has a tank of capacity 0.40 m that contains air at 27°C and 6.0 aim. How many moles of air does the tank hold?
A. 97.5 mol
B. 75.1 mol
C. 56.9 mol
D. 88.4 mol

A

A. 97.5 mol

51
Q

An artillery shell is fired so that its horizontal range is twice its maximum height. At what angle is it fired?
A. 63.4
B. 61.9
C. 58.3
D. 65.7°

A

A. 63.4

52
Q

1.3 kg of air are held at 6.89 kPa and 38°C. Given that R air = 88.89 J/kg-K, what is the volume of the container?
A. 2.2 m^3
B. 4.8 m^3
C. 3.1 m^3
D. 5.6 m^3

A

D. 5.6 m^3

53
Q

What amount of money is equivalent to receiving P 8000 three years from today, if the interest rate is 8% per year, compounded semiannually?
A. P6,210.22
B. P 6.489.05
C. P 6.322.52
D. P 6.583.25

A

C. P 6.322.52

54
Q

A cyclist on a circular track of radius r = 240 m is travelling at 8 m/s. His speed in the tangential direction (ie, the direction of his travel) increases at the rate of 1 m/s’. What is the cyclist’s total acceleration?
A. -0.9 m/s^2
B. 0.9 m/s^2
C. 0.7 m/s^2
D. 1.0 m/s^2

A

D. 1.0 m/s^2

55
Q

Mr. Franklin wants to save for a new computer that he expects will cost P 38 000 four and one-half years from now. How much money will he have to save each year and deposit in a savings account that pays 6-1/4 % per year. compounded annually, to buy the car in four and one-half years?
A. P 8,654.32
B. P 8.546.34
C. P 8.645.23
D. P 8.564.43

A

A. P 8,654.32

56
Q

A cyclist on a circular track of radius r = 240 m is travelling at 8 m/s. His speed in the tangential direction (ie, the direction of his travel) increases at the rate of 1 m/s’. What is the cyclist’s total acceleration?
A. -0.9 m/s^2
B. 0.9 m/s^2
C. 0.7 m/s^2
D. 1.0 m/s^2

A

D. 1.0 m/s^2

57
Q

What single amount at the end of the fourth year is equivalent to a uniform annual series of P 3000 per year for 10 years, if the interest rate is 10% per year, compounded annually?
A. P 26.998.78
B. P 26.899.87
C. P. 27.430.99
D. P 27.340.66

A

B. P 26.899.87

58
Q

A golf ball is hit at an angle of 30 degrees above the horizontal with a speed of 44 m/s. How long is it in the air?
A. 2.25 s
B. 4.50 s
C. 3.00 s
D. 6.00 s

A

B. 4.50 s

59
Q

How many years will be required for a given sum of money to triple, if it is deposited in a bank account that pays 6% per year, compounded annually?
A. 18.23 years
B. 18.12 years
C. 18.50 vears
D. 18.85 years

A

D. 18.85 years

60
Q

An economy is experiencing inflation at the rate of 6% per year. An item presently costs P100. If the 6% inflation rate continues, what will be the price of this item in five years?

A. 128.56
B. 131.56
C. 130.21
D. 133.82

A

D. 133.82

61
Q

A lens has a convex surface of radius 20 cm and a concave surface of radius 40 cm and is made of glass of refractive index 1.54. Compute the focal length of the lens and state whether it is a converging or diverging lens.
A. 74 cm, converging
B. 72 cm, converging
C. 74 cm, diverging
D. 74 cm, diverging

A

A. 74 cm, converging

62
Q

How many molecules are in 1 cc of helium gas at 300 K?
A. 1.2 x 10^19 molecules
B. 2.4 x 101^19 molecules
C. 1.9 x 10^19 molecules
D. 2.9 x 10^19 molecules

A

B. 2.4 x 101^19 molecules

63
Q

A girl moves her brother on a sled at a constant velocity by exerting a force F. The coefficient of friction between the sled and the ground is 0.05. The sled and the rider have a mass of 20 kg. What force is required if she pushed on the sled at an angle of 30 degrees below the horizontal?
A. 11 N
B. 11.7N
C.11.4 N
D. 11.9 N

A

A. 11 N

64
Q

An 8.0-g bullet is fired horizontally into a 9.00-kg of wood, which is at rest, and sticks in it. The cube is free to move and has a speed of 40 cm/s after impact. Find the initial velocity of the bullet.
A. 032 km/s
B. 0.41 km/s
C. 0.38 km/s
D. 0.45 km/s

A

D. 0.45 km/s

65
Q

If air is at a pressure, p, of 135 Pa. and at a tempenture, T. or 440 K what is the specific volume, v? (Air’s specific gas constant is R = 88.81 J/kg’K, and air can be modelled as an ideal gas.)

A. 110 m^3/kg
B. 289 m^3/kg
C. 130 m^3/kg
D. 300 m^3/kg

A

B. 289 m^3/kg

66
Q

In an enduro motorcycle race a rider goes over the top of a small hill that is approximately spherical with a radius of curvature of 12 m. What is her maximum speed if she is not to become airborne?

A. 22 mi/hr
B. 24 mi/hr
C. 23 mi/hr
D. 25 mi/hr

A

B. 24 mi/hr

67
Q
  1. The mole is a basic unit of measurement in chemistry. Which of the following is NOT equal to or the same as 1 mol of the substance indicated?

A. 22.4 L of nitrogen gas at STP
B. 6.02 x 10^23 oxygen molecules
C. 12 g of carbon atoms
D. 16 g of oxygen molecules

A

D. 16 g of oxygen molecules

68
Q

Two moles of air (Cv = 5R/2) at 300 K are contained under a heavy piston in a cylinder of volume 6.0 L. If 5.2 kJ of heat is added to the gas, what will be the resulting volume of the gas?
A. 6.4 L
B. 7.2 L
C. 6.8 L.
D. 7.6 L.

A

C. 6.8 L.

69
Q

Suppose that a man lends P1.000 for four years at 12% per year simple interest. At the end of the four years, he invests the entire amount which he then has for 10 years at 8% interest per year, compounded annually. How much money will he have at the end of the 14-year period?

A. P 3.188.54
B. P3.193.22
C. P 3,185.09
D. P.3,195.21

A

D. P.3,195.21

70
Q
  1. Two large bodies, Body A of mass m and Body B of mass 4m, are separated by a distance R. At what distance from Body A, along the line joining the bodies, would the gravitational force on an object be equal to zero? Ignore the presence of any other bodies.
    A. R/16
    B. R/5
    C. R/8
    D. R/3
A

D. R/3

71
Q

A car starts from rest at constant acceleration of 2.0 m/s2. At the same instant a truck travelling with a constant speed of 10 m/s overtakes and passes the car. How far beyond the starting point will the car overtake the truck?

A. 110 m
B. 130 m
C. 120 m
D. 100 m

A

D. 100 m

72
Q

A ball of mass 0.5 kg, initially at rest, acquires a speed of 4 m/s immediately after being kicked by a force of strength of 20 N. For how long did this force act on the ball?

A. 0.01 s
B. 0.1 s
C. 0.02 s
D. 0.2 s

A

B. 0.1 s

73
Q

As a rock of mass 4 kg drops from the edge of a 40 m high cliff, it experiences air resistance, whose average strength during the descent is 20 N. At what speed will the rock hit the ground?

A. 10 m/s
B. 16 m/s
C. 12 m/s
D. 20 m/s

A

D. 20 m/s

74
Q

An object of mass 2 kg has a linear momentum of magnitude 6 kg-m/s. What is this object’s kinetic energy?

A. 3 J
B. 9 J
C. 6 J
D. 12 J

A

B. 9 J

75
Q

For a pendulum to have a period of 2 seconds, it must have a length of how many feet?

A. 3.26 ft
B. 2.63 ft
C. 4.32 ft
D. 1.95 ft

A

A. 3.26 ft

76
Q

The elevator at Excel Review Center’s building is powered by an electric motor with an output of 10 kW. Determine the minimum time required for it to rise the 18 m from ground floor to roof deck, if the total mass of the loaded elevator is 800 kg.

A. 14.13 s
B. 13.59 s
C. 15.82 s
D. 12.12 s

A

A. 14.13 s

GEAS Exit Exam (2 decks)

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