ESAS part 1

Ashley Calica · 10問 · 2年前

通報

問題一覧

What annuity over a ten year period at %8 interest is MOST nearly equivalent to a present worth of P900?

14.90

Which of the following elements and components is is reactive in its pure form?

Which of the following formula is CORRECT for temperature conversion?

Tf=9/5Tc+32

What refers to the establishing interrelationships between people and things in such away that human and materials resources are effectively focused toward achieving the goal of the company?

organizing

Who is the present chairman of the Board of Electrical Engineering?

Francis mapile

Which of the following refers to the parallel axis theorem for second moment of area for strength of materials?

Steiner's theorem

The mathematical expression (1 + i) raised to n in Engineering Economies is referred to as the

compound amount factor

What is the standardized communication technique for expressing instructions to computer?

programming language

What is another term for modulus of rigidity?

Shear modulus

An adiabatic process is characterized by which of the following?

The heat transfer is zero.

What is the potential difference between plates of a 40 micro f capacitor whose charge is 70 microC?

1.75 V

Branch circuit conductors supplying a single motor shal have an ampacity of how many percent of its rated full-load current?

125%

A lamp placed 60 cm from a lens forms an image on a screen 30 cm away from the lens on the side opposite the lamp. What is the focal length of the lens?

20 cm

An economy si experiencing inflation at the rate of %6 per year. An item presently costs P9,000. If the %6 inflation rate continues, what will be the price of this item in five years

P 1,338.23

The PEC Part 1 2017 Edition si intended as a design specification or an instruction manual to qualified person. I. True Il. False

I only

An open system first law should be utilized for al the following except.

a piston-cylinder device with no inlet/exhaust valves

What is the classification of a turbine if the water moves along the vanes toward the axis of rotation of the runner?

Radial flow

What refers to the point in which bending moment changes sign through a zero value in strength of materials?

Point of contraflexure

What is the metal used t o recover copper from a solution of copper sulphate?

A* friend suffering from the flu has a fever and her body temperature is 101.5oF. What her temperature in °C?

38.6°C

Which one of these statements is true for twinning?

It frequently occurs in hexagonal close-packed structures.

"How tall does a wall mirror have to be in order for you to see all of yourself in the mirror? Imagine you stand a distance "d" from the mirror and your height is "h" and L is the length of mirror required.

L = 1/2 h

The shape of the bending moment diagram over the length of beam having no external load is always

linear

The clearance between conductors and roof where the service conductors are passing over roofs must be mm.

2500

Which of the following portion of hard disk space served as RAM?

virtual memory

The amount of property in which a willing buyer wil pay to a willing seller for the property when neither one is under the compulsion to buy nor to sell is called value.

Market

If you are appointed as a division manager, which of the following task is MOST likely you will do?

set goals

"an external pressure exerted on a fluid is transmitted uniformly throughout the volume of the fluid". This statement is known as

Pascal's principle

Which of the following Republie Act that provide framework for the restructuring of the electric power industry including the privatization of the assets of NPC, the transition t o the desired competitive structure?

9136

* 1.2 uf capacitor is charged 3KV. What is the energy stored in the capacitor?

5.4 J

Which of the following best defined the phrase "likely to become energized"?

Failure of insulation

In house wiring, ground conductors must not be

fused

What refers to ions that are NOT involved in the overall reactions?

Spectator ions

Which of the following materials has the least modulus of elasticity?

Glass

Which of the following is/are the disadvantages/s of operating an ungrounded electrical system? I. Transient overvoltages cannot be controlled. II. Power system overvoltages are not controlled. III. Destructive arcing burndowns can occur on a second fault

I , II , III

Which of the following is a correct IF statement?

IF (I.GE.5) GO TO 7

person invests P450 to be collected in &years. Given that the interest rate on the investment is 94.5% compounded annually, most nearly, what sum will be collected 8 years from now?

P 1 , 3 3 0

The Chairman and members of the Board of Electrical Engineering are appointed by.

President of the Philippines

What is a coal that has been previously burned in an oxygen-poor environment?

Coke

At what annual interest rate is P500 one year ago equivalent to P600 today?

20%

Which of the following would be identified with a control volume?

Filling a tire with air at a service station

A feather is dropped on the moon from a height of 1.40 meters. The acceleration of gravity on the moon is 1.67 m/s square. Find the time for the feather to fall to the surface of the moon.

1.29 s

Ideal fluid has:

no surface tension, no viscosity and no compressibility

What is the other term for storing data in a memory?

writing

What can you say about the following statement regarding centrifugal pumps? "The discharge of the centrifugal pumps can be throttled we doubt the building app of an excessive pressure or overloading it’s driving unit I. True II . False

Based on Section 18 of the RA. 7920, the minimum age requirement for qualifications of applicants for Registered Master Electricians Examination is at least years of age.

eighteen

A description of the arrangements of atoms or ions in a material is called

structure

Which of the following is qualified as the chairman Of the continuing professional development council For Electrical Engineering

PREE board member

a young Electrical engineer borrowed money p at 12% interest and paid 2000 per annum for the last four years what does he have to pay at the end of fifth year in order to pay off his loan

6922.93

An interest rate of 10% compounded semiannually Is equivalent to how many percent Compounded quarterly

9.878%

The Central Processing Unit of computer is a combination of

arithmetic logic and control unit

Which of the following statement/s about sound is/are true? I. All sounds are produced by the vibration of bodies. Il. Sound cannot fravel through a vacuum. III. Sound can be transmitted through some material.

I, II, and lIl

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

1800

A new engine design incorporates a piston that contains 0.60 kg of steel (specific heat =470J/kg*K) and 1.20 kg of aluminium (specific heat = 990 J/kg*K). How much heat is required to raise the piston from an initial temperature of 20 degree Cto its operating temperatures of 160 degree C?

192.36 kJ

A volume of 450 cu. cm of air is measured at a pressure of 740 mmHg absolute and a temperature of 20oC. What is the volume in cu. cm at 760 mmHg absolute and 0oC?

408.25

The position of a vertical piston-cylinder device containing a gas has a mass of 60 kg and a cross-sectional area of 0.04 sq m. The local atmospheric pressure is 0.97 bar, and the gravitational acceleration is 9.81 m/sec^2. Determine the pressure in bar inside the cylinder.

1.12

What does R.A. 9136 stand for?

Electric Power Industry Reform Act of 2009

Three capacitors C, =2 uF, C, =3 uF and C, =5 uF are connected as C, inseries to C, and C, and Cy are in parallel to Cz. What is the equivalent capacitance of this arrangement in uf?

6.2

Materials in this group are composed of one or more metallic elements such as iron, aluminum, copper, titanium, gold, and nickel. What is this group called?

metals

Where receptacles are connected to a 30-A branch circuit, the maximum allowable cord and plug connected load shall NOT be more than

* technician has installed a new video card and the computer wil now only boot into VGA mode. Which of the following may be the cause of the problem?

The incorrect drivers are installed.

What will P9,000 be worth after three years if it earns at the rate of 5% compounded annually?

Р1,157.63

Section 23 of Article Il of RA 7920 - Issuance of Certification of Registration. The professional is required to renew license every year/s upon payment of registration fee.

three

When installing the heatsink back into a computer after replacing a failed processor, which of the following must be doneduringinstallation?

Thermal compound must be installed between the processor and the heatsink.

If you lie on the bottom of a swimming pool and look up, you can see the entire outside world by looking up from the vertex of a cone of half angle. For water, n=133 index of refraction. W what is the angle?

41.2

The vnit of joule can be converted to which of the following?

Pa*m^3

A* piston cylinder 3 kgs of air 20°C and 300 kPa. It is now heated up in a constant pressure process to 600k. Find the work intheprocess, in kJ when R=0.287.

264

Find the rate of conduction heat transfer in W/m^2 through a 9.5 cm thick hardwood board, k=0.16 w/m-k, with a temp difference between the two sides of 20 degrees

213

A" typical jet fighter plane launched from an aircraft carrier reaches a take-off speed of 175 milh in a launch distance of 390 ft. How long in seconds does it take to launch the fighter?

2.4

A student borrows 43000 from his uncle in order to finish school. His uncle agrees to charge him simple interest at the rate of 5 1/2% per year. Suppose the student waits two years and then repays the entire loan. How much will he have to repay?

$3330

A student deposits, 1000 in a savings account that pays interest At the rate of 6% per year Compounded annually If all the money is allowed To accumulate how much will the student have after 12 years?

2012.20

A student who wil inherit 5000 ni three years has a savings account that pays 5 1/2% per year, compounded annually. What is the present worth of the student's inheritance?

4258.07

An economy is experiencing inflation at the rate of 6% per year. An item presently costs $100. If the 6% inflation rate continues, what will be the price of this item in five years?

133.82

An economy is experiencing inflation at an annual rate of 6%. If this continues, what wil 100 be worth five years from now, in terms of today's dollars?

74.73

An engineer has received $10,000 from his employer for a patent disclosure. He has decided to invest the money in a 15-year savings certificate that pays 8% per year, compounded annually. What will be the final value of his investment, in terms of today's dollars, if inflation continues at the rate of 6% per year?

$13 242.69

An engineer has received 490 000 from his employer for a patent disclosure. He has decided to invest the money in a 15-year savings certificate that pays 8% per year, compounded annually. Suppose the engineer is in the 32% tax bracket, and is likely to remain there throughout the lifetime of the certificate. If inflation continues at the rate of 6% per year, what wil be the value of his investment, ni terms of today's dollars, when the certificate matures?

$9236

Engineering thermodynamies does not include

utilization of energy

Which of the following would be identified with a control volume?

Filling a tire with air at a service station

Which of the following is not an acceptable Sl unit?

Density measured in grams per cubie centimeter

In thermodynamics our attention is focus on which form of energy

Internal Energy

The point that connects the saturated liquid line to the saturated vapor line is called the:

critical point

Which work mode is a non-equilibrium work mode?

Energizing an electrical resistor

Which of the following does not transfer work to or from a system?

A membrane that bursts

Which of the following statements about work for a quasiequilibrium process is incorreet?

Work is the area under a P-T diagram

Convection heat transfer involves both:

conduction and advection

Radiation is emitted by:

all material at a finite temperature

Select a correct statement of the first law if kinetic and potential energy changes are negligible.

Net heat transfer equals net work for a cycle.

Select the incorrect statement of the first law if kinetic and potential energy changes are negligible.

Heat transfer equals internal energy change for aprocess.

Air undergoes a three-process cycle with a P=const. process, a T =const. process, and a V=const. process. Select the correet statement for a piston-cylinder arrangement.

W=O for the V=const. process

A key concept in analyzing the filling of an evacuated tank is:

The enthalpy across a valve remains constant.

Which of the following can be assumed to be reversible?

A piston compressing gas in a race engine.

An inventor claims that a thermal engine, operating between ocean layers at 270C and 10°C, produces 10 kW of power while discharging 9900 kJ/min. This engine is:

impossible

A Carnot cyele is a cycle of special interest because.

It provides the maximum efficieney for any cycle.

Which of the following second-law statements is incorrect?

If ice is melted in water in an insulated container, the net entropy decreases.

Which of the following statements is not true of the diesel cycle?

The combustion Process is a constant-volume process.

The engines on a commercial jet aircraft operate on which of the basic cycles?

Brayton

The exhaust process in the Otto and diesel cycles is replaced with a constant-volume process for what primary reason?

To simulate zero work of the actual exhaust process.

The exhaust process in the Otto and diesel cycles is replaced with a constant-volume process for what primary reason? A. B. C.

To simulate zero work of the actual exhaust process.

The Rankine power cycle is idealized. Which of the following is not one of the idealizations?

Heat transfer does not occur across a finite temperature difference.

100

The component of the Rankine eyele that leads to relatively low eyele efficieney is:

The condenser

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