Pre-Boards ESAS 1 Flashcards
What are elements that have properties intermediate between metals and non-metals?
Metalloids
The simple mathematical statement of the relationship between elastic stress and strain: stress is proportional to strain. What is this law?
Hooke’s Law
What is the process that cannot be found in a Carnot engine cycle?
Isobaric Expansion
The moment of inertia of any plane figure can be expressed in units of length to the?
Fourth Power
Conservation of ___________ is used in collision, explosion, and the like.
momentum
The term “Thermodynamics” comes from the GREEK word “Therme” and “Dynamis” which means?
heat, power
An inventor claims to extract 100kJ of energy from 30°C sea water and generate 7kJ of heat while rejecting 93kJ to a 10°C stratum. The scheme fails because:
It violates the second law.
1KB is how many bytes?
1024
FTTH means?
Fiber To The Home
The measure of randomness or disorder is known as as the?
Entropy
In flow chart, what is the symbol used in beginning or termination?
Oval
Is an act of sending emails or creating web pages that are designed to collect an individual’s online bank, credit card, or other log in information.
Phishing
A software that is commonly known as firmware.
BIOS
What may be the Poisson’s ratio of a material?
0.35
Anything less than or equal to 0.5
What is the entropy of a pure substance at a temperature of absolute zero?
Zero
What is the basic equation of accounting?
Assets = Liability + Owner’s Equity
A 4-wire system has a high leg voltage that is indicated by a wire of color?
orange
Pulverized fuel is used for?
Better burning
Vinegar is solution of H2O and what acid?
Acetic Acid
Applicants for registered electrical engineer’s examination must be atleast ____ years of age.
21
The process of outsmarting the search engine.
Search Engine Optimization
When the circuit breakers are installed in enclosed switchboards, they are usually derated to a certain percentage. What is this percentage?
80%
What is the primary purpose of PEC?
It is the practical safeguarding of persons and property.
What is an example of an integrity violation of e-commerce security?
An unauthorized person intercepts an online communication and changes its content.
What are considered as the “building blocks” for engineering materials?
Atoms
Two balls are thrown from the roof of a building with the same initial speed. One is thrown horizontally while the other is thrown at an angle of 20 degrees above horizontal. Which hits the ground with the greatest speed? Ignore air resistance.
They hit the ground with the same speed.
The mole is a basic unit of measurement in chemistry. What is not equal to or the same as one mole of the substance indicated?
16g of Oxygen molecules
Such as vehicle washing areas classified as?
Wet Location
What will you do when you install a new heat sink?
Insert thermal compound between processor and heat sink.
A thin homogenous metallic plate containing a hole is heated sufficiently to cause expansion. If the coefficient of surface expansion is linear, the area of the hole will?
Increase at the same rate as the area of the metal increases.
After installing a new modem and router to a computer, what is the order of turning on?
Modem, router, computer
What is force per unit area?
Pressure
What are van der waals forces?
Weak secondary binds between atoms
What is NOT used in web development?
FORTRAN
What is NOT a hazardous practice?
Use of proper tools.
It is a colorless liquid with bitter taste and is used in the manufacture of acetone and glycerin.
Isoprophyl
What is the amount of heat needed to turn 1kg of the substance at its melting point from solid to the liquid state?
Heat of fusion
What is the weight percentage of mathematics subject?
25%
What is the weight percentage of ESAS subject?
30%
What is the weight percentage of EE subject?
45%
In computing, what is a tape drive?
A data storage device
What percent of human’s body is carbon?
18%
What do you call the kind of wire used to bind the service drop to the service point?
Tie wire
The internal rate of return of a project that involves an initial investment with subsequent positive cash flows is 18 percent. Four companies are considering the project. Given the following respective minimum attractive rates of return (MARR) , which company will be most likely to accept the project?
Company A 12 percent
Company B 14 percent
Company C 18 percent
Company D 19 percent
Company A
Sec 18 (b) of Art. III of RA 7920:
Examination and Registration. Qualifications of Applicants for Registered Master Electricians, states that an applicant is at least be ______ years
of age.
18
What is the combination of CPU?
ALU and control unit
expressions is incorrect?
A. The future worth of a prestn amount, (F/P, i, n) = 1/ (P/F, i, n)
B. The future worth of annuity, (F/A, i, n) = 1/(A/F, i, n)
C. (A/F, i, n) x (P/A, i, n) = (P/F, i, n)
D. (A/f, i, n) - i = (A/P, i, n)
D. (A/f, i, n) - i = (A/P, i, n)
Section 40 of Article IV of RA 7920 is the Penalty Clause, states that any person who shall violate any of the provisions of this Act shall be guilty of misdemeanor and shall, upon conviction, be sentences to a fine of not less than _______ nor more than P50,000 or imprisonment for a period not less than 6 months nor more than 5 years or both at the discretion of the court.
P10,000
What is a light material?
Potassium
Concurrent forces are those forces whose line of action…
meet at one point
A good example of kinetic energy is provided by:
a tornado
The change that the system undergoes from one equilibrium state to another is known as?
Process
When magma rocks cool, these rocks are called?
Igneous Rocks
What is the physical appearance of sodium chloride?
White crystal/Silver metal
Which is NOT a unit of energy? Erg, Dyne, kg-m^2/s^2, or N-m?
Dyne
What is a measure of the average speed with which accounts receivable are collected?
Receivable turnover
You are standing in a bathroom scale in an elevator. In what situation must the scale read the same as when the elevator is at rest?
Moving up at constant speed.
The thermodynamic statement of the conservation of energy of a system is the?
first law
A particle is moving with its acceleration parallel to velocity. What is the direction of the particle?
Linear
What is a variable renewable source of energy?
Solar Energy
What is the oxidation number of Cr in the dichromate ion (Cr2O7)^-2?
6
The differential of the shear equation is?
load on the beam
Which of the following is the unit of energy? Pa-m^3, kg-m/s, m/s, or slug/ft?
Pa-m^3
