A Carnot engine operates between 250 deg * F and 1200 deg F. What is the thermal efficiency?

You need $4,000 a year for four years to go to college. Your father invested $ 5,000 in a 7% account for your education when you were born. If you withdraw the $4,000 at the end of your 17th, 18th, 19th, and 20th years, how much money will be left in the account at the end of your 21st year?

The residual value of a company's assets after all outside liabilities (shareholders excluded) have been allowed for

An 8.00-L sample of gas at 99.0 kPa and 25 deg C is compressed. What is its final pressure at 25 deg C if the gas is compressed 2.00 L?

A 10" diameter pulley is belt driven with a net torque of 250 ft-lbs. The ratio of tensions in the tight to slack sides of the belt is 4 to 1. What is the maximum tension in the belt?

Calculate the mass of the product of reaction of 6.54 g of zinc with 3.21 g of sulfur.

The pressure at a given point is 50 mmHg absolute. Express this pressure in m of H₂O.

A car starts from rest and moves with a constant acceleration of 6 m/(s²). What is the speed of the car after 4 seconds?

What is the MINIMUM size in mm required for stainless steel rod as grounding electrode?

An investment option is available with continuous compounding at 5% interest. If you invest $ 8, 000 now, how much interest income will you earn if you cash out in 3.5 years?

A ball is thrown with an initial horizontal velocity of 30 m/sec from a height of 3 m above the ground, and 40 m from a vertical wall. How far from the wall will the ball rebound for the first time?

Hooke's law for an isotropic homogeneous medium expressing one-dimensional stress is?

What principle states that the electrons fill the orbitals, one at a time, starting with the lowest orbital then proceeding to the one with higher energy?

For small discharge at high pressure, the pump preferred is:

Upon the initial implementation of open access, the ERC shall allow all electricity End- Users with an average monthly peak demand of at least how many MW for the preceding twelve (12) months to be the contestable market?

What is a protective device designed to protect an individual against electric shock?

Steam at 416 Pa and 166 K has a specific volume of 0.41 m3/kg and a specific enthalpy of 29.4 kJ/kg. Find the internal energy per kilogram of steam.

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

What does PRBEE stands for?

A garden hose fills a 32 L wastebasket in 120 second. The opening at the end of the hose has radius of 1 cm. How fast is the water traveling as it leaves the hose in m/s?

_________ is a software that allows users to have fast and flexible access to information in large. documents, constructing associations among data items needed.

An instruction that causes data in the accumulator to be moved to the memory or a peripheral register.

Find the oxidation number of Oxygen in CaO.

Which of the following thermodynamic relations is INCORRECT?

When engineer enters management, what is the most likely problem he finds difficult to acquire?

A bar of uniform cross section is subject to a uniaxial tension and develops a strain in the direction of the force of 1/800. Calculate the change of volume per unit volume. Assume u 1/3.

As of OSHS standard color of signs, what color is used for alert to designate dangerous parts of machines or energized equipment which may cut, crush, shock or otherwise injure.

Which of the following are NOT example of nonvolatile memory in the computer system?

Which of the following is the basis for Bernoulli's law of fluid flow?

An object with a volume of 1200 cu. cm. weighs 20 N. What will it weigh when submerged in water?

An object of mass 100 g is at rest. A net force of 2000 dynes is applied 10 sec. What is the final velocity?

What refers to the parallel axis theorem for second moment of area?

The Implementing Rules and Regulations (IRR) of RA 7920 was approved under Board

Resolution No. _____.

Find the velocity of a 50-V electron.

A new engine design incorporates a piston that contains 0.60 kg of steel (specific heat = 470 J / k g^ KO and 1.20 kg of aluminium (specific heat = 910 J/kgK). How much heat is required to raise the piston from an initial temperature of 20 degree C to its operating temperatures of 160 degree C?

A student deposits P 2,500 in a savings account that pays interest at the rate of 6% per year. How much money will the student have after one year?

What refers to a slender member which prevents parts of a structure moving to each other under compressive force?

39. What does R.A. 9136 stand for?

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

A turbine is to operate at 300 rpm under a net head of 400 m. If c. 0.98, what is the velocity?

A bank charges 6% simple interest on a P 25,000 loan. How much will be repaid if the loan is paid back in one lump sum after five years?

The first metal used by man was

Waves in a lake are 5.00 m in length and pass an anchored boat 1.25 s apart. The speed of the wave is

HTTP:// is an identifier that appears at the beginning of most Web page. What does HTTP stands for?

Galvanized steel are steel products coated with

After installing a new modem and router to a computer, what is the order of turning on?

Which doesn't have electric charge?

May is declared as the electrical safety month in virtue of _______ signed by Pres. Benigno Aquino III last June 27, 2011 for the reason of informing the public of the real reason of faulty electrical wiring.

What is the entropy of a pure substance at a temperature of absolute zero?

Any electric circuit that controls any other circuit through a relay is called a:

If a voltage reading is taken between any two ungrounded conductors on a 120/208-volt, three-phase, 4-wire Y-Y-connected electric service, what should the normal voltage reading be?

If a voltage reading is taken between any phase conductor and the grounding conductor on a 120/208-volt, three phase, 4-wire Y-Y-connected electric service, what should the normal voltage reading be?

A copper THHN feeder conductor consists of 40 amperes of continuous load and 35 amperes of noncontinuous load, and supplies a load that does not contain any general use receptacles but has three current carrying conductors in a raceway with terminations rated at 75 degrees C. This means that the minimum standard overcurrent device required for the feeder is which of the following:

Which of the following colors of insulation or marking are permitted to identify "hot" phase conductors in conduit wiring methods?

Which of the following is true?

A lighting fixture is to be controlled independently from two different locations. The type of switch required in each of the two locations is a _________.

Which of the following are acceptable as FORTRAN integer variables?

I. NINA

II. Α+10

III. INTEGER

IV. 2813

V. A160

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

A certain sum of money will be deposited in a savings account that pays interest at the rate of 6% per year, compounded annually. If all of the money is allowed to accumulate, how much must be deposited initially so that $5000 will have accumulated after 10 years?

Section 23 of Article III of RA 7920 Issuance of Certification of Registration. The professional as required to renew license every registration fee. year's upon payment of registration fee.

Which of the following computer program is NOT considered open-source software?

A 25-candle power lamp is placed 10 ft from screen. At what distance from the opposite side of the screen should a 36-candle power lamp be placed in order that two sides of the screen may be equally illuminated?

A student determined to test the law of gravity for himself walks off a skyscraper, stopwatch in hand, and starts his free fall (zero initial velocity). Five seconds later, Superman arrives at the scene and dives off the. roof to save the student. What must be the height of the skyscraper so that even Superman can't save him Q (Assume that Superman's acceleration is that of any freely falling body).

What is the molecular weight of glucose, C6H1206?

One angstrom is equal to:

Which of the following is not a unit of power?

Sec. 4 of Art. Il states that the powers and duties of the Board. What does it mean by quasi judicial powers?

A tank contains 3 cubic feet of 120 psig air at 800 F. How many tires of volume 1.2 ft3 can be inflated to 28 psig at 800 F?

The sum of the strains in the three coordinate directions is known as

The inner strand of ACSR is made of

What is the opposite of perfect competition?

A windowpane is 1.2 m high and 0.6 m wide. The glass is 4 mm thick and has thermal conductivity k = 0.78 W/m-deg C. The temperature of the inner face of the glass is 12 deg C and that of the outer surface is -12 deg C. What is the rate of heat flow through the window?

What is the atomic packing factor for a simple cubic crystal?

It is required to transmit 70 hp from a turbine by a solid circular shaft turning at 200 r/min. If the allowable shearing stress is 7000 lb/in", determine the required shaft diameter.

76. Determine the moment of inertia of a circle of diameter 5 in about a diameter.

The temperature of an object is raised by 90 deg C. This is equivalent to an increase in its Fahrenheit scale of

Articie IV, Rule _____ Requirements for examination as a REE.

Divide (15) base 16 by (011) base 2. Express the answer in base 10.

Steam at 1000 lbf/ft² pressure and 300 deg R has a specific volume of 6.5 ft/lbm and a specific enthalpy of 9800 lbf-fi/lbm. Find the internal energy per pound mass of steam.

What physical property of a material that refers to the point at which a material liquefies on heating or solidifies on cooling?

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

How much should be put in an investment with 14% effective annual rate today to have P 12,000 in five years?

The "earth" best defines of which of the following term?

What is another term for modulus of rigidity?

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?

An open system first law should be utilized for all the following except:

Which of the following in thermodynamics is considered as the heat content system?

Pedro who will inherit P 500,000 in threw years has a savings account that pays 6% реr year, compounded annually. What is the present worth of Pedro's inheritance?

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.

An electric heater uses 8.0 A when connected across 220 V. Determine its resistance.

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

What law states that for all adiabatic processes between two specified states of a closed system, the net work done is the same regardless of the nature of the closed system and the details of the process?

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

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

Which of the following Republic Act that provide framework for the restructuring of the electric power industry including the privatization of the assets of NPC, the transition to the desired competitive structure.

Which of the following reason's why reactions generally proceed faster at higher temperature?

I. the molecules collide more frequently

II. the activation energy is less

What decimal number is equivalent to binary number 1101?

Which of the following is CORRECT regarding the sizing of the rating of the overcurrent protective device of a circuit?

Which of the following cast iron is heat treated for ductility?