GEAS
Ultimate General Engineering and Science Quiz
Test your knowledge with our comprehensive 101-question quiz that covers a range of topics in general engineering and science. Whether you're a student looking to review key concepts or a professional wanting to brush up on your skills, this quiz is perfect for you!
Prepare yourself with questions on:
- Physics
- Thermodynamics
- Aerodynamics
- Environmental Science
- Engineering Principles
A person standing on a horizontal floor feels two forces: the downward pull of gravity and the upward supporting force from the floor. These two forces:
Have equal magnitudes and form an action/reaction pair
Have equal magnitudes but do not form an action/reaction pair
Have not equal magnitudes but do not form an action/reaction pair
Have not equal magnitudes and form an action/reaction pair
Two objects move toward each other, collide, and separate. If there was no net external force acting on the objects, but some kinetic energy was lost, then:
The collision was not elastic and total linear momentum was not conserved
The collision was elastic and total linear momentum was conserved
The collision was not elastic and total linear momentum was conserved
The collision was not elastic and total nonlinear momentum was conserved
The slope at a point on a position-versus-time graph of an object is _____.
The object`s instantaneous velocity at that point.
The object`s instantaneous acceleration at that point.
The object`s average velocity at that point.
The object`s average acceleration at that point.
What happens to the volume of an ideal gas when the pressure is halved and the absolute temperature is doubled?
The volume is doubled.
The volume is tripled.
The volume is quadrupled.
The volume is quartered.
Which of the following best describe a perfectly inelastic collision free of external forces?
Kinetic energy is always conserved.
Kinetic energy is never conserved
Potential energy is never conserved
Potential energy is not always conserved.
The most general thermodynamic process is:
Polytropic
Isotropic
Isobaric
Adiabatic
What properties are independent of the mass of the system?
Intensive properties
Independent properties
Extensive properties
Dependent properties
What properties are proportional to the mass of the system?
Intensive properties
Extensive properties
Independent properties
Dependent properties
In a partially elastic collision between two objects with unequal mass:
the velocity of one will increase by the amount that the velocity of the other increases.
the velocity of one will increase by the amount that the velocity of the other decreases.
The momentum of one will increase by the amount that the momentum of the other increases.
The momentum of one will increase by the amount that the momentum of the other decreases.
All real processes are _____ processes.
Isometric
Isobaric
Irreversible
Reversible
If the distance between two point particles is doubled, then the gravitational force between them _____.
Decreases by a factor of 2
Decreases by a factor of 4
Increases by a factor of 4
Increases by a factor of 2
A reversible adiabatic process is called _____.
Isentropic
Polytropic
Isobaric
Isothermal
A ladder of length L and mass M has its bottom end attached to the ground by a pivot. It makes an angle θ with the horizontal, and is held up by a massless stick of length l which is also attached to the ground by a pivot as shown in the figure. The ladder and the stick are perpendicular to each other. Find the force that the stick exerts on the ladder.
(Mgl)(sin θ)/2L
(Mgl)(cos θ)/2L
(MgL)(sin θ) / 2l
(MgL)(cos θ) / 2l
With reference to NTC MC 09-09-2003, what refers to the radio communications technology utilizing either direct sequence or frequency hopping technique?
Spread spectrum technology
Wireless technology
Radio wave technology
None of the above
An axial pull of 35000 N is acting on a bar consisting of three lengths as shown below. If the Young’s modulus = 2.1 x 10❵ N/mm², determine the stress in section 2.
49.515 MPa
49.875 MPa
56.515 MPa
40.675 MPa
What refers to a technique of economic evaluation that sums over a given study period the costs of initial investment (less resale value), replacements, operations (including energy use), and maintenance and repair of an investment decision (expressed in present or annual value terms)?
Marketing cost analysis
Financing cost analysis
Life cycle cost method
Capitalized cost method
Decision problems in which the analyst elects to consider several possible futures, the probabilities of which can be estimated.
Decisions under risk
Decisions under conditions
Decisions under risk and uncertainties
Decisions under uncertainties
What is the equivalent present value of the following series of payments: ₧5000 the first year, ₧5500 the second year, and ₧6000 the third year? The interest rate is 8%, compounded annually.
P14,709.99
P18,107.99
P14,107.99
P18,709.99
The value [(1 + i)❿ - 1]/i is known as ________.
Uniform series compound amount factor
Gradient series compound amount factor
Simple compound amount factor
Sinking fund factor
What does CFC stand for?
Carbonfluourochlorofoams
Chlorofluorocarbons
Carbonfluourochlorine
Chlorofluorocarbite
The US Air Quality Standard for carbon monoxide (based on an 8-hour measurement) is 9.0 ppmv. Express this standard in mg/m³ at 1 atm and 25°C.
9
10
11
12
The air pollution caused by emissions of carbon monoxide, oxides of nitrogen and various volatile organic compounds that swirl around in the atmosphere reacting with each other and with sunlight to form ________.
Fog
Smog
Photochemical smog
NOx smog
What is colorless, slightly sweet non-toxic gas known as “laughing gas” which is an anesthetic?
Nitrous oxide (N₂O)
Nitrogen oxide (NOx)
Both a and b
None of the above
The Philippine Electronics Code Book 1 is about ________.
Telecommunications Facilities Distribution System
Distributed Antenna System
Fire Detection & Alarm System
Cable Television System
What DILG memorandum circular informing the local government about the implementation of the Electronics Engineering Law of 2004?
MC No. 2013-01
MC No. 2013-02
MC No. 2014-01
MC No. 2014-02
For outside plant system, who shall be appointed to take charge of Outside Plant installation and maintenance to ensure the quality and safety of the work? I. Professional Electronics Engineer II. Licensed Electronics Engineer III. Licensed Electronics Technician
I only
II only
I or II
I, II and III
________ of R. A. No. 9292 states that the Board of Electronics Engineering shall formulate, prescribe and adopt such rules and regulations for electronics installations in industrial plants, commercial establishments and other buildings or structures covered by the National Building Code of the Philippines, in coordination with DPWH, other concern agencies, representatives of industry and Accredited Professional Organization.
Section 7 (r)
Section 7 (k)
Section 7 (o)
Section 7 (p)
What refers to learning that occurs in daily life assessed, through recognition, validation and accreditation processes, and which can contribute to a qualification?
Formal learning
Informal learning
Nonformal learning
Life-long learning
What is Section 10 of R. A. No. 10912?
CPD Program Implementation and Monitoring
Funding
CPD as Mandatory Requirement in the Renewal of Professional License and Accreditation System for the Practice of Professions
Fraud Relating to CPD
What is Section 8 of R. A. No. 10912?
Powers, Functions and Responsibilities of the CPD Council
CPD Council
Strengthening the CPD Program
Repealing Clause
What refers to educational arrangements such as curricular qualifications and teaching-learning requirements that take place in an education and training institutions recognized by relevant national authorities and which lead to granting diplomas and qualification?
Informal learning
Nonformal learning
Formal learning
Online learning
What refers to a program offered by an institution of higher learning which requires a baccalaureate or post-baccalaureate degree? It is also a program offered by any authorized agency for non-baccalaureate degree/s.
Degree Program
Diploma Program
Development Program
None of the above
What refers to a body created to promote, ensure and implement the continuous improvement of knowledge, skills, and competencies of professionals practice, in accordance with the national, regional and international standards of practice?
CPD Council
CPD Coordinator
CPD Accreditor
CPD Speaker
What refers to the inculcation of advanced knowledge, skills, and ethical values in a post-licensure specialization or in an inter-or-multidisciplinary field of study, for assimilation into professional practice, self-directed research and/or lifelong learning?
Continuing Professional Development
Authorship
Pathways and Equivalents
Invention
A mass m oscillating on a horizontal spring of constant k with no damping. The amplitude of the oscillation is A. What is the potential energy of the mass at its maximum displacement?
½ kA²
½ mv²
KAg
Mgh
What will happen to the specific volume with an increase of pressure?
It unchanged
It decreases
It increases
It doubles
An ideal gas, consisting of n moles, undergoes an irreversible process in which the temperature has the same value at the beginning and end. If the volume changes from Vi to Vf, the change in entropy is given by:
NR ln(Vi/Vf)
NR ln(Pi/Pf)
NR ln(Vf/Vi)
NR ln(Pf/Pi)
The change in entropy is zero for:
Irreversible adiabatic process
Reversible adiabatic process
Reversible polytropic process
Irreversible polytropic process
The muzzle velocity of bullets can be determined by the ballistic pendulum portrayed in Figure. A 4 oz bullet is fired into a 15.75-lb sand box and remains imbedded. The impulse swings the box through an angle of 24°. What is the velocity of the bullet?
457.6 ft/s
457.8 ft/s
497.9 ft/s
477.4 ft/s
A bar of uniform cross section and homogeneous material hangs vertically while suspended from one end. Determine, in terms of w, L, A and E, the extension of the bar due to its own weight.
WL/2AE
2wL/AE
WL²/2AE
2wL²/AE
Which of the following must be true of an object in uniform circular motion?
Its acceleration and its velocity must be perpendicular to each other.
Its acceleration and its velocity must be parrallel to each other.
Its position and its velocity must be perpendicular to each other.
None of the above
If the time of the ball’s collision with the glove is doubled, what happens to the force necessary to catch the ball?
It does not cut
It is cut in half.
It is cut in quarter.
Both b and c
A block sits on a plane that is inclined at an angle θ. Assume that the friction force is large enough to keep the block at rest. For what θ are these horizontal components of friction and normal forces maximum?
θ = π/2
θ = π/3
θ = π/4
θ = π
Which is not a feature of OOP in general definitions?
Efficient code
Code reusability
Modularity
Duplicate/Redundant data
Which feature of OOP indicates code reusability?
Abstraction
Inheritance
Encapsulation
Polymorphism
Which is the correct syntax of inheritance?
Class base_classname : access derived_classname{/*define class body*/};
Class derived_classname : access base_classname{/*define class body*/};
Class derived_classname : base_classname{/*define class body*/};
class base_classname : derived_classname{/*define class body*/};
Which among the following, for a pure OOP language, is true?
The language should follow at least 1 feature of OOP
The language must follow only 3 features of OOP
The language must follow all the rules of OOP
The language should follow 3 or more features of OOP
What is an abstraction in object-oriented programming?
Hiding the implementation and showing only the features
Hiding the important data
Hiding the implementation
Showing the important data
Which is correct syntax for declaring pointer to object?
*className objectName;
ClassName* objectName;
ClassName objectName();
ClassName objectName;
A patent is granted for a specified amount of time because of the assumption:
That during this time firm will cover its development costs
The firm will earn a sufficient profit during this period
To limit the monopoly of the firm
That it will stimulate idea and development of a better product
A 120-mL flask contained 0.345 gram of a gaseous compound at 100°C and 760. Torr pressure. What is the molecular weight of the compound?
88 g/mol
98 g/mol
99 g/mol
70 g/mol
Calculate the molarity of a solution that contains 3.65 g of HCl in 2.00 L of solution.
0.0100 mol HCL/L
0.5000 mol HCL/L
0.0500 mol HCL/L
0.100 mol HCL/L
In which Carnot cycle step where the system absorbs eat from the high-temperature source and expands isothermally?
Adiabatic compression
Isothermal expansion
Isetropic expansion
Isothermal compression
When two objects are brought in contact, heat will flow from the warmer object to the cooler one until they reach thermal equilibrium. This property of temperature is expressed by ______.
Zeroth Law of Thermodynamics
First Law of Thermodynamics
Second Law of Thermodynamics
Third Law of Thermodynamics
An entrepreneur who starts a business without external funding is utilizing a technique referred to as ________.
Capitalizing
Investing
Bootstrapping
All of the above
What management function involves selecting candidates and training personnel?
Leading
Planning
Organizing
Staffing
Object 1 has twice the mass of Object 2. Both objects have the same kinetic energy. Which of the following statements is true?
Object 1 has a momentum of greater magnitude than Object 2.
Object 2 has a momentum of greater magnitude than Object 1.
Object 1 and 2 has a same momentum
Neither a nor b
Determine the present worth of the following series of cash flows, based on an interest rate of 12% per year, compounded annually: ₱ 0 (end of year 0), ₱ 1,000 (1), ₱ 2,000 (2), ₱ 3,000 (3), ₱ 4,000 (4), ₱ 4,000 (5), ₱ 4,000 (6).
12,769.76
13,549.88
17,009.45
11,460.89
As an engineer, your ethical responsibility, in order from highest to lowest importance is to:
Society, client, yourself, professional
Society, client, profession, yourself
Client, society, profession, yourself
Client, profession, yourself, society
Simple decisions that assume complete information and no uncertainty connected with the analysis of decisions. This is known as:
Decisions under risk
Decisions under certainty
Decisions under uncertainty and risk
Decisions under uncertainty
What is the de Broglie wavelength of a photon whose linear momentum has a magnitude of 3.3 x 10¯²³ kg·m/s?
0.02 cm
0.02 mm
0.02 m
2 m
A 3 mm thick aluminum sheet is cut with a 4 cm diameter round punch. If the punch exerts a force of 6 kN, what is the shear stress in the sheet?
15.9 MPa
15.9 GPa
12.9 MPa
13.9 GPa
For a fluid the number that relates inertial force to compressibility force is:
Reynold's Number
Mach Number
Compressibility Number
Number Density
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:
Mv^2/T
Mv/2T
2mv/T
Mv/T
What refers to the establishing interrelationships between people and things in such a way that human and material resources are effectively focused toward achieving the goal of the company?
Planning
Leading
Organizing
Staffing
What is the enthalpy of 5 lbs of a fluid occupying 10 ft³, with an internal energy of 1000 Btu/lb at a pressure of 1.5 atm?
4050.18 Btu
5040.81 Btu
5004.81 Btu
4004.81 Btu
The ratio of normal stress of each face of a solid cube to volumetric strain is called ______.
Bulk modulus
Young's modulus
Shear modulus
Modulus of elasticity
Determine the percent composition, by mass, of Calcium oxide, CaO. The molar mass of CaO is 56.1 g/mol, atomic mass of Ca is 40.1 g and atomic mass of O is 16 g.
71.5% Ca, 28.5% O
72.5% Ca, 27.5% O
73.5% Ca, 26.5% O
70.5% Ca, 29.5% O
What would happen to the energy of a photon if its wavelength were reduced by a factor of 2?
It would increase by a factor of 4
It would decrease by a factor of 2
It would increase by a factor of 2
It would decrease by a factor of 4
An object of height 11 cm is placed 48 cm in from of a diverging lens with a focal length of -24.5 cm. What is the magnification?
1/2
1/3
1/4
1/5
The film width in a surface tension experiment is 10 cm. If mercury is the fluid (surface tension = 0.52 N/m), what is the maximum force that can be applied without breaking the membrane? Neglect gravitational force.
0.5N
1.0N
0.1N
5.0N
A 1.6 oz golf ball dropped from a height of 16 ft rebounds to a height of 9 ft. Determine the value of the coefficient of restitution.
0.25
0.2
0.75
0.5
The IP code of the Philippines amended by ____, an act providing for the protection of layout designs or topographies of integrated circuits.
RA 9150
RA 9105
RA 9501
RA 9015
The reference does for a toxicant is 12 ppm/d. What is the hazard ratio if the estimated exposure is 3ppm/d
0.25
0.4
4.0
36.0
What is the Mach Number of air at 25 degrees Celsius flowing with a velocity of 75m/s?
0.30
0.65
0.22
0.44
Which of the following statements define Environmental Engineering?
Creation of procedures and infrastructure for water delivery
Waste disposal
Pollution control of various kinds
All of the choices
Which of the following type of pollution is Cultural eutrophication?
Water Pollution
Air Pollution
Waste Pollution
All of the above
Which of the following gas is not colorless?
NO
SO
ClO
O_2
Which of the mentioned devices are used for removing vapour phase/gaseous pollutants?
Thermal oxidizers
Absorption towers
Catalytic converters
All of the mentioned
Which of the following is a debit entry to a partner’s current account?
Salary
Drawings
Share of profit
Interest on capital
If member AB elongates 10 mm as a result of the applied load as shown, determine the normal strain in AB.
0.003
0.0065
0.002
0.2
Emission of which one of the following leaves both atomic number and mass number unchanged?
Neutron
Alpha radiation
Beta radiation
Gamma radiation
What is the term for a quantity of a substance to which a chemical formula can be assigned and whose mass is equal to its formula weight?
A mass
A mole
A molar mass
Mass and molar mass
Air expands isentropically such that its pressure is increased by 50%. The initial temperature is 150°F. What is the final temperature? Use k = 1.4
224.91 R
464.91°F
454.91 R
224.91°F
What is the Part 4 of the Intellectual Property Code of the Philippines?
The Law on Copyright
The Law on Patent
The Law on Trademarks, Service marks and trade names
Final Provision
A student deposits P 1,000 in a savings account that pays interest at the rate of 6% per year. How much money will the student have after one year?
P 1,060
P 5,098
P 2,360
P 1,600
Decisions for which the analyst elects to consider several possible futures, the probabilities of which cannot be estimated.
Decisions under risk
Decisions under uncertainty and risk
Decisions under uncertainty
Decisions under certainty
If a gas diffuses at a rate of ½ as fast as O₂, what is the molecular weight of the gas?
149 g/mol
98 g/mol
128 g/mol
82 g/mol
A chain with uniform mass density per unit length hangs between two supports located at the same height, a distance 2d apart (see Figure). What should the length of the chain be so that the magnitude of the force at the supports is minimized? You may use the fact that a hanging chain takes the form, y(x) = (1/α) cosh(αx).
L = (2/α) sin (αd)
L = (1/α) sinh (αd)
L = (1/α) cosh (αd)
L = (2/α) sinh (αd)
According to the NTC MC 06-07-2016, which of the following codes are allocated as additional mobile network access code?
9200 and 9999
9000 and 9999
6000 and 9000
6200 and 9999
According to the NTC MC 06-07-2016, which of the following codes are allocated for the use of Philippine Government?
166
991
911
611
Given a sphere of radius 0.15 m and weight of 2.5 kN. Find the forces on the inclined surfaces as shown.
A = 0.67 MN, B = 2.24 MN
A = 2.24 MN, B = 0.67 MN
A = 0.67 kN, B = 2.24 kN
A = 2.24 kN, B = 0.67 kN
Two objects move toward each other, collide, and separate. If there was no net external force acting on the objects, but some kinetic energy was lost, then:
The collision was not elastic and total linear momentum was not conserved
The collision was not elastic and total linear momentum was conserved
The collision was not elastic and total linear momentum not was conserved
The collision was elastic and total linear momentum was conserved
It refers to the document issued by the PRC signifying that the person named therein has complied with all the legal and procedural requirements for such issuance, including, in appropriate cases, passing the licensure examinations or registration without examination. It will be the evidence of the authority of its holder to practice the profession.
Certificate of Registration
Certificate of Completion
Both a and b
Neither a nor b
A precast concrete wall panel is being hoisted into place as shown. The wall weighs 18 kN with the weight passing through its center through point O. Determine the force T₂ necessary for the workers to guide the wall into place.
240 lb
140 lb
420 lb
200 lb
With reference to NTC MC 4-2-92, what refers to a certificate or written authority issued by the NTC to a person, firm, company, association or corporation authorizing the holder thereof to operate during the period specified in said authorization a mobile station in the maritime mobile service located on board a vessel?
Ship Radio Station License
Ship Radio Station Certificate
Radio Station License
None of the above
With reference to NTC MC 4-2-92, what refers a certificate issued, after inspection to a cargo vessel engaged on a voyage where the maximum distance of the ship from the shore, the length of the voyage, the absence of general navigational hazards, and other conditions affecting safety are such as to render the full applications of the regulation become unreasonable?
Cargo Ship Safety Radio Certificate
Exemption Certificate
Certification Society
Cargo Ship Safety Radio Certificate
What color is used to designate dangerous parts of machines or energized equipment which may cut, crush, shock, or inure?
Pink
Purple
Orange
Red
What refers to any emergency, warning or danger signpost or any safety instruction using the standards colors and sizes, including the standards symbols for safety instructions and warnings in the workplace, prescribed by the DOLE?
Safety signage
Traffic signage
Safety helmet
Safety shoes
Among all possible states of a system with a given value of energy and with a given set of values of the amounts of constituents and the parameters, there exist one and only one equilibrium state.” This is known as:
Gyftolpoulous-Baretta Statement
Carnot statement
Kelvin-Planck statement
Clausius statement
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