Powerline - ESAS OBJECTIVES | Take the Quiz

If the mass on a body were doubled, its acceleration due to gravity would be ____.

Doubled

Halved

Unchanged

Four time

Device used to measure velocity of a liquid?

Venturi meter

Manometer

Bourdon gauge

Pitot tube

On doubling the speed N, of a centrifugal pump, all of the ff are true EXCEPT:

Volume flow rate, Q is increased by a factor of 2

Head, H is increased by factor of 4

Horsepower, P is increased by factor of 8

Head, horsepower and volume flow rate are independently variable

A hygrometer is an intrument to measure

Relative density of liquids

Viscosity

Relative humidity

Atmospheric pressure

What is the charge of elements that belongs to group 2A (llA)

-1

-2

In electrolysis, the anions migrate to the anode. WHich of the follwoing ions migrate to the other electrode?

Acidic ions

Neutral ions

Basic ions

Cations

How many atoms are in the unit cell of a FCC structure?

What is the ASTM tension testing designation for standard methods for steel products?

A370

E345

E870

C674

What is the ASTM tension testing designation for standard methods for ceramic products?

A370

E345

E870

C674

What is the generic name of a class polymer which is commercially known as nylon?

Polyacetals

Polyamide

Cellulose

Polyester

Which of the following bus has a function of directing memory and I/O devices transfer?

Data

Device

Address

Control

Which of the follwoing user-defined header file used in C++?

Cpp

What is Rule 11 in R.A. 7920?

Action on Communication

Places and Dates of Communication

Program of Examination

Publication of Examination

PEC part 2, 2020 Edition is the ___

3rd edition

4th edition

5th edition

6th edition

In R.A. 11361, the Prevention and Removal of Power Line Obstruction on Private Property is what section?

Sec. 9

Sec. 10

Sec. 8

Sec. 7

Which of the following is TRUE for water at a reference temperature when enthalpy is zero?

Internal energy is negative

Entropy iz zero

Specific volume is zero

Vapor pressure is zero

The space required of a steam power station _____

More than Diesel power station

Equal to Diesel power station

Less than Diesel power station

None of the above

What is the combination of laminar flow and turbulent flow?

Laminar flow

Turbulent flow

Critical flow

Transitional flow

What would be the important factor under consideration for the site selection of a thermal plant?

Availability of fuel

Availability of water

Distance from the populated area

Cost and type of land

Modern steam plants works on which of the following cycles?

Carnot

Rankine

Otto

Bell-Coleman

What is the interest occurred over the interest period is also subject to the interest rate in the next period>

Quarterly interest

Compound interest

Simple interest

Annual interest

Rule 7 IRR of R.A. 7920 is?

Enforcement and Execution

Assignment of Duties

Official business wit the commission

Promulgation of decisions

What is the approved date of PEC Part 1,2017 edition?

November 31, 2017

December 2, 2017

January 1, 2018

January 2, 2018

Encryption can provide ALL of the following features of information systems secuirty EXCEPT:

Confidentiality

Integrity

Authenticity

Privacy

Characters in MATLAB are represented in their value in memory?

Decimal

ASCll

Hexadecimal

String

Which software provides automation in Electrical Power Systems?

Pspice

ETAP

PSCAD

EAPT

How many 72-pin SIMMS make up a memory bank of a Pentium systems?

What must two investments with same present worth and unequal lives have?

Identical salvage values

Different salvage values

Identical equivalent uniform annual cash flow

Different equivalent uniform annual cash flow

The maximum hardenability of any steel depends on

The carbon content

The grain content

The chemical composition

The alloying elements present

Objects that emits their own light are called ____ bodies

Solar

Luminated

Photovoltaic

Illuminated

Modulus of Resilience is

The same as modulus of elasticity

A measure of materials ability to store strain energy

The reciprocal of modulus of elasticity

A measure of the deflection of a member

Its the point where the buoyant force and centerline intersect each other?

Metacenter

Orthocneter

Centroid

Circumcenter

Which of the following is the most accurate about streamline?

It is a line normal to the velcoity vector everywhere

It is a fixed space in steady flow

It is a path of fluid particle

It is perpednicular to path line

The purpose of nickel in steel alloying is to increase _____.

Brittleness

Toughness, hardness, corrosion resistance and reduce thermal expansion

High-temperature strength

Strength

What type of materials usually has a higher index of refractions?

Lighter materials

Heavier materials

Less dense materials

Denser materials

The grounding impedance shall be installed between ______ conductor and the system

Energized

Grounded electrode

Unbalanced

Balanced

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

One

Two

Three

Four

The locus of the elevations to which water will rise in a piezometer tube is termed:

The hydraulic gradient

The energy gradient

Stagnation pressure

Friction head

Under what conditions is mass conserved in fluid flow?

The fluid is baratropic

The flow is isentropic

The fluid is incompressible

It is always conserved

Which of the following metals has the highest specific heat capacity?

Aluminum

Bismuth

Copper

Iron

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