Which of the following is the most efficient thermodynamic cycle?

What is the law of thermodynamics?

An ideal gas is compressed isothermally. What is the enthalpy change?

Name the process that has no heat transfer.

An ideal gas is compressed in a cylinder so well insulated that there is essentially no heat transfer. The temperature of the gas.

What is the SI unit of pressure?

The equation Cp=Cv+R applies to which of the following?

In the flow process, neglecting kinetic and potential energy, the integral of Vdp represents what?

Mechanical energy of pressure transformed into energy of heat.

The theory of changing heat into mechanical work.

Average pressure on a surface when a changing pressure condition exist.

Which of the following cycles consists two isothermal and two constant volume processes?

A control volume refers to what?

In the polytropic process, PVⁿ=constant, if the value of n is infinitely large, the process is

If the temperature is held constant and the pressure is increased beyond the saturation pressure, then the working medium must be:

Is one whose temperature is below the saturation temperature corresponding to its pressure.

Number of molecules in a mole of any substance is a constant called________

If the pressure of a gas is constant the volume is directly proportional to absolute temperature.

The number of protons in the nucleus of an atom or the number of electrons in the orbit of an atom.

In a P-T diagram of a pure substance, the curve separating the solid phase from the liquid phase is:

A water temperature of 18 °𝐹 in the water cooled condenser is equivalent in °C to ________

The latent heat of vaporized in joules per kg is equal to _______

From of energy associated with the kinetic energy of the random motion of large number of molecules

If the temperature is held constant and the pressure is increased beyond the saturation pressure, then the working medium must be:

Is the condition of pressure and temperature at which a liquid and its vapor are indistinguishable.

When a substance in gaseous state is below the critical temperature it is called _________

Superheated vapor behaves

Which of the following provides the basis for measuring thermodynamic property of temperature?

Which of the following is commonly used as liquid absorbent?

Mechanism designed to lower the temperature of air passing through it.

A device for measuring the velocity of wind

Heat normally flowing from a high temperature body to a low temperature body wherein it is impossible to convert heat without other effects.

The temperature at which its vapor pressure is equal to the pressure exerted on the liquid.

A nozzle is used to

The sum of the energies of all the molecules in a system where energies appear in several complex form.

The total energy in a compressible fluid flowing across any section in a pipeline is a function of.

The ratio of the density of a substance to the density of some standard substance.

Is one whose pressure is higher than the saturation pressure corresponding to its temperature.

The changing of solid directly to vapor without passing through the liquid state is called

Weight per unit volume is termed as ________

What is the SI unit of force?

The volume of fluid passing a cross-section of steam in unit time.

What equation applies in the first law of thermodynamics for an ideal gas in a reversible open steady state system?

A pressure of 1 milli bar is equivalent to

When a system deviates infinitesimally from equilibrium at every instant of its state, it is undergoing:

What is the force which tends to draw a body toward the center about which it is rotating?

What is the force which tends to draw a body toward the center about which it is rotating?

When a system deviates infinitesimally from equilibrium at every instant of its state, it is undergoing

A pressure of 1 milli bar is equivalent to

Work done per unit charge when changed is moved from one point to another

How many independent properties are required to completely fix the equilibrium state of a pure gaseous compound?

Which of the following relations defines enthalpy?

Which of the following is true for water at a reference temperature where enthalpy is zero?

On what plane is the mollier diagram plotted?

The compressibility factor z, is used for predicting the behavior of non ideal gasses. How is the compressibility factor defined relative to an ideal gas?(subscript c refers to critical value.)

How is the quality x of a liquid vapor mixture defined?

What is the expression for heat of vaporization?

What is the value of the work done for a closed, reversible, isometric system?

What is the equation for the work done by a constant temperature system?

What is true about the polytropic exponent n for a perfect gas undergoing an isobaric process?

How does an adiabatic process compare to an isentropic process?

During an adiabatic, internally reversible process, what is true about the change in entropy?

For an irreversible process, what is true about the change in entropy of the system and surroundings?

For which type of process does the equation dQ = Tds hold?

Which of the following is true for any process?

Which of the following thermodynamic cycle is the most efficient?

The ideal reversible carnot cycle involves four basic processes. What type of processes are they?

What is the temperature difference of the cycle if the entropy difference is ∆S , and work done is W?

Which of the following is not an advantage of a superheated, closed rankine cycle over an open Rankine cycle?

Which of the following statements regarding Rankine cycle is not true?

Which one of the following is standard temperature and pressure (STP)

A substance is oxidized when which of the following occurs?

Which of the following is not a unit of pressure?

Which of the following is the definition of joule?

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

Equation of state for a single component can be any of the following except:

The state of a thermodynamic system is always define by its:

In any non quasi-static thermodynamics process, the overall entropy of an isolated system will

Entropy is the measure of:

Which of the following statement about entropy is false?

Work energy can be a function of all the following except:

Energy change are represented by all except which one of the following:

U + pV is a quantity called:

In flow process, neglecting KE and PE changes, ʃvdP represents which item below?

Power may be expressed in units of

Equilibrium condition exist in all except which of the following?

In a closed system (with a moving boundary)which of the following represents work done during an isothermal process?

A substance that exist or is regarded as existing as a continuous characterized by a low resistance to flow and the tendency to assume the shape of its container.

A substance that is homogenous in composition and homogenous and invariable in chemical aggregation.

The condition as identified through the properties of the substance, generally defined by particular values of any two independent properties.

The only base unit with a prefix kilo is

The force of gravity on the body.

The mass per unit volume of any substance.

The force of gravity on unit volume is

The reciprocal of density is

Avogadro’s number, a fundamental constant of nature is the number of molecules in gram mole. This constant is

The ratio of the gas constant to Avogadro’s number is:

The absolute zero on the Fahrenheit scale is at

Absolute temperature on the Fahrenheit scale are called:

The absolute zero on the Celsius scale is at

What is the absolute temperature in Celsius scale?

The Fahrenheit scale was introduced by Gabriel Fahrenheit of Amsterdam, Holland in what year?

The centigrade scale was introduced by Andres Celsius in what year?

The National Bureau of Standard uses, among others, the liquid vapor equilibrium of hydrogen at

The National Bureau of Standard uses among others, the liquid vapor equilibrium of nitrogen at

The liquid vapor equilibrium of oxygen is at what temperature?

The solid liquid equilibrium of mercury is at what temperature?

The solid liquid equilibrium of Tin is at what temperature?

The solid liquid equilibrium of Zinc is at what temperature?

The liquid vapor equilibrium of sulfur is at what temperature?

The solid liquid equilibrium of Antimony is at what temperature?

The solid liquid equilibrium of silver is at what temperature?

The solid liquid equilibrium of gold is at what temperature?

The solid liquid equilibrium of platinum is at what temperature?

The solid liquid equilibrium of Tungsten is at what temperature?

The device that measures temperature by the electromotive force.

The emf is a function of the temperature difference between the junction a phenomenon called.

The device that measure temperature by the electromotive force called thermocouple was discovered by:

When two bodies isolated from other environment are in thermal equilibrium with a third body, two are in thermal equilibrium with each other.

The total entropy of pure substance approaches zero as the absolute thermodynamics temperature approaches zero.

If any one or more properties of a system change the system is said to have undergone a _______

When a certain mass of fluid in a particular state passes through a series of processes and returns to its initial state it undergoes a:

The term given to the collection of matter under consideration enclosed within a boundary.

The region outside the boundary or the space and matter external to a system:

The true pressure measured above a perfect vacuum.

The pressure measured from the level of atmospheric pressure by most pressure recording instrument like pressure gage and open ended manometer.

The pressure obtained from barometer reading

It is a form of energy associated with the kinetic random motion of large number of molecules.

The heat needed to change the temperature of the body without changing its phase.

The heat needed by the body to change its phase without changing its temperature.

The measure of the randomness of the molecules of a substance.

The heat energy transferred to a substance at a constant pressure process is ________

It is the energy stored within the body

A theoretically ideal gas which strictly follows Boyle’s law and Charles’s law of gases.

In a confined gas, if the absolute temperature is held constant, the volume is inversely proportional to the absolute pressure.

In a confined gas if the absolute pressure is held constant the volume is directly proportional to the absolute temperature.

The pressure exerted in a vessel by a mixture of gases is equal to the sum of the pressure that each separate gas would exert if it alone occupied the whole volume of the vessel.

At equal volume at the same temperature and pressure conditions, the gases contain the same number of molecules.

A process in which the system departs from equilibrium state only infinitesimally at every instant.

A process which gives the same state/conditions after the system undergoes a series of processes.