Esas

65問 • 2年前

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In a long column (slenderness ratio > 160) which of the following has the greatest influence on its tendency to buckle under a compressive load

The length of the column

The stress concentration factor

is the ratio of the maximum stress produced in a cross section to the average stress over the section

In the design of a reinforced concrete structure, tensile strength of the concrete is normally:

Neglected

Which material has the highest Poisson's ratio?

rubber

If shear stress in a fluid varies linearly with velocity gradient, which of the following

It is a Newtonian gas

In the design of waterways, the "hydraulic jump" is sometimes used for

energy dissipation

When a fluid flows through a pipe of cross sectional area "A" and a velocity "V", the flow or

A hydrometer scale for measuring the relative density (sp. gr.) of liquids.

Baume scale

Elements which generally exhibits multiple oxidation state are

transition elements

An open system First Law should be utilized for all the following EXCEPT:

A piston-cylinder device with no inlet / exhaust values

For spontaneously occurring natural processes in an isolated system, which equation best expresses dS?

ds > 0

Brayton cycle consists of:

Two isentropic and two constant pressure processes

In an aircraft refrigeration (cooling system), what cycle is used?

Bell-Coleman

An ideal gas is compressed isothermally. The enthalpy change is:

zero

Which of the following statements is true for a perfect gas flowing through an insulation valve?

enthalpy is essentially unchanged

Which of the following statements is FALSE concerning the deviation of real gases from ideal gas behavior?

Molecular attraction interactions are compensated for in the ideal law.

In a reversible process, work is ______ and temperature is ______

maximum, minimum

How does an adiabatic process compare to an isentropic process?

both: heat transfer = 0; isentropic-reversible

The isentropic (process) efficiency is used to compare actual devices such as turbines, compressors, nozzles, and diffusers to ideal ones. Which statement is true?

The inlet state and exit pressure are the same for both the ideal and actual device

In a combustion chamber, fuel is burned to raise the temperature of the medium prior to production of work through an expansion process. The heat generated during the combustion reaction is the _______ .

Heat of reaction

Relationship between COP and EER?

3.42

If the average energy in a nuclear reaction is 200 MeV/fission, what is the power output of a reactor if there 2.34 x101 fission per second?

750 MW

What is oxidized and what is reduced in the following reaction? Zn + H2 S04 → Zn S04 + H2

Zinc is oxidized and hydrogen is reduced

Which of the following is highly reactive in its pure form?

Which of the following gases is classified as electronegative?

Sulfur hexafluoride

Aluminum hydroxide, Al(OH)3, is called an amphoteric hydroxide because:

it can react as either an acid or base

A substance which gives up protons to another substance are called

acid

Heating value of coal largely depends on

ash content

The purpose of vanadium in steel alloying is to

increase strength

The purpose of Manganese Sulfide in steel alloying is to increase

machinability

What do you call a polymer without additives and without blending with another polymer?

Homopolymer

The subject which covers the refinement of pure metals from their ores is metallurgy.

Extractive

Which of the following is NOT a method of non-destructive testing of steel casting and forgings?

Chemical analysis

An Angstrom unit, commonly used for atomic and sub-atomic distances is:

10^-10m

What is the flow of heat energy transfer through a given surface?

Heat flux

It is the maximum frequency, which the human ear can hear.

20,000 Hz

Which of the following describes the meaning of spectroscopy?

Study of the interaction between matter and electromagnetic radiation

What is the term for a deadlock situation that occurs when a program references a different page for almost every instruction and there is not even enough real memory to hold most of the virtual memory?

Thrashing

In printers, the term resolution is a measurement usually expressed in linear horizontally and vertically of the sharpness of a printed image

dots/inch

The simplex method is extremely efficient in solving which of the following classic problems?

the "allocation problem"

A processor that integrates smaller self-contained building blocks, each with its own arithmetic logic unit, registers, data paths, and control functions, is called a(n)

Bit-slice processor

Fiber optics operates in what principle?

reflection

Microsoft Excel for Windows, what short-cut key is use to select all objects on a worksheet when an object is selected?

Ctrl+Shift+Spacebar

a typical microprocessor, which of the following is NOT an addressable location that can be written to and read from?

arithmetic logic unit

What do you call adding latitude and longitudinal directions to pictures and videos you post?

Geotagging

What defines information system?

Composed of people and computers that processes or interprets information.

The TV signal uses which type of modulation for picture and sound respectively?

AM, FM

Which of the following is NOT a nonvolatile memory in a computer?

RAM

What is NOT a programming language?

Oracle

What is the equivalent of 1 kilobyte (kB)?

1024 bytes

In What market situation exists where there are few sellers and few buyers?

Bilateral oligopoly

What refers to the negotiable claim issued by a bank in lieu of a term deposit?

Certificate of Deposit

What is the present worth of two payments of P100.00 made at the end of 3rd yr and 4th Year if money is worth 8% compounded annually?

P152.88

How many years the terms of office of Board of Electrical Engineering?

In the Registered Electrical Engineer (REE) licensure exam, the weight of Engineering Sciences and Allied Subjects (ESAS) is

30%

In the qualifications of applicants for Registered Master Electrician Examination. he/she must be at least ___ years of age.

Who is in-charge in recommending the member of board in case of vacancy?

Commissioner of PRC

Can a corporation or firm be registered or licensed to practice electrical engineering?

In Ine preparation of Phippine Elecrical Code (PEC) 2009 part 1, the National Elecrical Code (N.E.C.) ___ was used as the main reference

2005

What is the distance from the flooring to the receptacle outlet in dwelling unit?

1.8 m

In a wye-delta (4 wire) system, what color is use to identify the phase with the maximum voltage to neutral (high-leg)?

Orange

Generating capacity that is intended to take care of the loss of the largest Synchronized Generating Unit or Power import from a single Grid interconnection, whichever is higher

Contingency reserve

It is defined as the ratio of the RMS value of the harmonic content to the RMS value of the fundamental quantity, expressed in percent?

Total Harmonic Distortion (THD)

The expected current, expressed in kAmp and MVA, that will flow into short circuit at a specified point on the Grid, Distribution System, or any User System?

fault level

Another term for voltage sag?

Voltage dip

Math

Ashley Calica · 10問 · 2年前

Math