Point at which solid, liquid and vapor forms of a substance simultaneously exist

A hygrometer is an instrument to measure

How does an adiabatic process compare to an isentropic process

A large class of devices (such as turbines, centrifugal compressors and pumps) involves work. Assuming reversible steady-state, steady-flow process with negligible changes in kinetic and potential energy, the elementary work is

What cycle is use for cooling system for aircraft?

A simultaneous generation of electricity and steam (or heat) in a single power plant is called:

The temperature of a body is 50°F, find the temperature in deg. Rankine

. How many calories are required to raise 20 kg of aluminum (Cp=0.208 BTU/lbm-°F) from 80°C 600°C?

Shaft work of -15 BTU/lb and heat transfer of -10 BTU/lb, the change of enthalpy of a system by:

A Camot engine operates between 250°F and 1200°F. What is the thermal efficiency?

Work of a polytropic (n=1.21) compression of air (Cp/Cv = 1.40) n a system with moving boundary from P1=15 psia, V1=1.0ft^3 to P2=150 psia, V2=0.15ft^3 is

What is the empirical formula for nitric acid?

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

The chemical process which occurs when water is added to cement is called

In electrolysis, the anions migrate to the anode Which of the following ions migrate to the other electrode?

In an aqueous solution, if some acid is added, its pH will

What is the percent of alcohol in a 90-proof whisky?

Which of the following is not true about ideal gases?

A sealed tank contains 27°C at a pressure of 2 atm If the temperature increases to 100°C. the pressure inside the tank will be?

If the gram equivalent weight of H2SO4 is 1.22, it is dissolved in water to make 175 Liter solution. What is its Normality?

What field of study encompasses the procurement and production of metals?

Use of copper in steel alloying

How many atoms are in the unit cell of a body-centered cubic (BCC) structure

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

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

What physical property of a maternal refers to the highest potential difference that an insulating material of a given thickness can withstand for a specified time without occurrence of electrical breakdown through its bulk?

What is the SI unit of luminous intensity

A thunder is heard 4 seconds after a flash of lightning appears and the temperature is 40°C How far is the source of sound? Consider speed of sound at STP is 332 m/sec

What is the wavelength of the sound emitted by violin string vibration 500 times per second? Assume the velocity of sound to be 1,100 m/sec

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

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

A child on a sled is sliding down the hill covered with snow. The combined mass of the child and the sled is "m", the angle of inclination of the hill is "φ" (phi), and the coefficient of kinetic friction between the snow and the sled runners is "µ" (mu). Which of these expressions gives the frictional force?

A 100 kg block rests on a 40 deg inclined plane Neglecting friction how much pull must one exert to bring the block up?

What horizontal pull is needed to move a 6 kg sled with a coefficient of friction of 0.4 and a frictional force of 20 N?

A typical jet fighter plane launched from an aircraft carrier reaches a take-off speed 175 mi/hr in a launch distance of 310 ft. How long in seconds doe's it take to launch the fighter?

A stone is dropped down a well and 5 sec later the sound of the splash is heard. If velocity of sound is 1100 ft/sec, what is the depth of the well

A boy carried a weighing scale inside an elevator In what way can the boy have the same weight all throughout his ride

A 60-kg man jumps with a speed of 1 m/sec into a 40-kg log. What is the speed of the log relative to the shore?

Find the kinetic energy given mass of 90 kg with velocity of 5 m/sec

A 10-kg, 1 meter long cylinder having 50 cm diameter was placed on a level floor, find approximate pressure exerted on the floor?

A steel rod with a cross-sectional area of 150 mm^2 is stretched between two fixed points. The load at 25°C is 5000 N. At what temperature will the stress be zero? Assume = 11.7×10^-6/°C and E=200 GPa

.A 20-mm diameter steel rod, 250 mm long is subjected to a tensile force of 75 kN. If the Poisson's ratio u is 0.30, determine the lateral strain of the rod. Use E=200 GPa

A simple beam L meters long carries a concentrated load of "P" Newtons at the midspan the maximum bending moment of the beam?

Unit of Young's Modulus

Unit of Strain is

Which statement about area moments of inertia is FALSE?

Poisson's ratio is the ratio of the

What is called weight per unit volume of a substance

Which of the following are NOT units of pressure?

The property of a fluid which determines its resistance to shearing stress is called

The standard atmospheric pressure is _____ kPa

Find gauge pressure of sea water of specific gravity of 10.1 kN/m^3 at 100 m head

When a submarine dives to a depth of 120 m, to how large total pressure is its exterior surface subjected? The density seawater is about 1.03 g/cm^3

A 980kg/m^3 man is floating on fresh water. Find the percent of his volume visible?

Device used to measure the velocity of a liquid?

On doubling the speed, N. of a centrifugal pump, all of the following are true, EXCEPT

Under which of the following conditions is Bernoulli's equation valid?

An essential part of a large dam and provides an efficient and safe means of releasing flow water that exceeds the design capacity of the reservoir

A garden hose has an inside diameter of 0.5 inch and water flows through it at 8 fps What nozzle diameter is required for water to emerge at 40 fps?

What is the volume flow rate of water in Liters/sec if the power developed under a head of 400 m is 12,500 kW and the hydraulic efficiency 80%

Future worth is equivalent to

What is the effective rate of interest corresponding to 8% compounded semi-annually?

A P2,500 loan was originally made at 8% simple interest for 4 years. At the end of this period the loan was extended for 3 years, without the interest being paid, but the new interest rate was made, 10% compounded semi-annually How much should the borrower pay at the end of 7 years?

A man invests P20,000 now for the college education of his 2 year old son If fund eams 14% effective interest, how much will the son get each year starting his 18th to the 22nd Birthday

What is the capitalized cost of a machine with an initial cost of P250,000.00, a maintenance cost of P10,000.00 per year, and an infinite life? The effective annual interest rate is 10%

Cash-out Casinos is considering purchasing new slot machines. The Present Worth (PW) of Alternative A is Php19,437, the Annuity Worth (AW) of Alternative B is Php8 352 the Future Worth (FW) of Alternative C is Php20,439, and the Rate of Return (ROR) of Alternative D is 5% Assuming all alternatives have a 3-year useful life and that the Minimum Attractive Rate of Retum (MARR) for Cash-out is 9%. What alternative that should be chosen?

Which is NOT a requirement for PRBEE?

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

What is Rule 11 in R.A 79207

What is the minimum size of stainless steel grounding rod as specified by PEC?

A GFCI should be installed in which location?

What is the reason the code requires each separate phase conductor to be located in the same raceway?

Which of the following insulation color identity the grounded conductor of a branch circuit?

PEC part 2, 2020 Edition is the

Which of the following is not a Distance relay?

As per OSHS what is the rule number for health and safety committee?

What is the Law for renewable energy is

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

Tall growing plants refers to plants, vines and other plant species, which grow or have the potential to grow more than __________ in height from the ground

The overall energy program formulated and updated yearly by the DOE and submitted congress pursuant to R.A. 7638 is known as PEP which means

A 150 candela lamp at a distance of 12.37 m gives a sufficient illumination on a certain wort plain. How far a 250 candela tamp be placed to have the same illumination?

Current in an electrical circuit will take to return to the source

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

Which of the following is the busiest bus and the one that carries that actual data?

The MATLAB command will correctly define x, y, and z as symbols?

The MATLAB command use for clear window

MATLAB command for getting the roots of 3x^2-4x+7=0

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

Dy default, all the files in C are opened in

The LCD display of a portable computer is powered by

is an act of sending e-mail or emating wett pages that are designed to collect an individual's online bank credit card or other login information

Device that transmits two or more signals at the same time

Which of the following does NOT contribute noise to a communication system?

What defines information system?

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

In MS Excel, in cell A2 the input value is equal to 2. at cell B2. the input formula was A2 4/SAS2 The formula at cell B2 is copied to C2 and D2 Where $ means absolute cell reference. What is the output in cell D2?

What is the value of "A" after this program segment is performed? A = 0 DO 771 = 1.4 77 A=A+1

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

In financial accounting another term for Acid Test Ratio is

It is a financial action that does not promise safety of the initial investment along with the return on the principal sum