Description : What is a process during which the specific volume remains constant? A. Isobaric process B. Isothermal process C. Isochoric or isometric process D. Isovolumetric process
Last Answer : Isochoric or isometric process
Description : What is a process during which the temperature remains constant? A. Isobaric process B. Isothermal process C. Isochoric process D. Isometric process
Last Answer : Isothermal process
Description : A process during which entropy remains constant is called ______ process A. Isometric B. Isochoric C. Isobaric D. Isentropic
Last Answer : Isentropic
Description : What is another term used for isometric processes? a. Isochoric process b. Iolytropic process c. Isothermal process d. Reversible process
Last Answer : Isochoric process
Description : Most cooking activities involve _________ process. a. Isochoric b. Isothermal c. Isobaric d. Isovolumic
Last Answer : Isobaric
Description : When the expansion of compression of gas takes place without transfer of heat or from the gas the process is called; a. Isometric process b. Isothermal process c. Isobaric process d. Adiabatic process
Last Answer : Adiabatic process
Description : Another name of reversible adiabatic process a. Isentropic Process b. Isometric Process c. Isobaric Process d. Isothermal Process
Last Answer : Isentropic Process
Description : What gas thermometer is based on the principle that at low pressure, the temperature of a gas is proportional to its pressure at constant volume? A. Constant-pressure gas thermometer B. Isobaric gas thermometer C. Isometric gas thermometer D. Constant-volume gas thermometer
Last Answer : Constant-volume gas thermometer
Description : An adiabatic process in which there is no change in system enthalpy but for which there is a significant decrease in pressure is called _____. A. Isochoric process B. Isobaric process C. Throttling process D. Quasistatic process
Last Answer : Throttling process
Description : No volume changes occur during this type of process a. Isobaric process b. Isomillimetric process c. Isocaloric process d. Isochoric process
Description : It is a process during which the pressure remains constant a. Adiabatic b. Isentropic c. Isobaric d. Isotropic
Description : Gas being heated at constant volume is undergoing the process of. a. isometric b. specific heat c. enthalpy d. isothermal
Last Answer : isometric
Description : The boiling of water into steam in an open container is an example of a/an _________ process. a. adiabatic b. isochoric c. isobaric d. zero work
Last Answer : isobaric
Description : A unit of pressure used in high vacuum technology, which is equal to 1mmhg. a. specific heat b. isometric c. isobaric d. torr
Last Answer : torr
Description : Ideal process are ________ process a. Irreversible b. Reversible c. Isothermal d. Isometric
Last Answer : Reversible
Description : _________ is a thermodynamic potential that measures the “useful” or process-initiating work obtainable from an isothermal, isobaric thermodynamic system. a. Du-Pont Potential b. Gibbs free energy c. Rabz-Eccles Energy d. Claussius Energy
Last Answer : Gibbs free energy
Description : A process, in which the temperature of the working substance remains constant during its expansion or compression, is called A. isothermal process B. hyperbolic process C. adiabatic process D. polytropic process
Last Answer : Answer: A
Description : In an isothermal process, the internal energy (a) increases (b) decreases (c) remains constant (d) first increases and then decreases (e) first decreases and then increases.
Last Answer : Answer : c
Description : In an isothermal process, the internal energy of gas molecules (a) increases (b) decreases (c) remains constant (d) may increase/decrease depending on the properties of gas (e) shows unpredictable behaviour.
Description : Which of the following engines is the most efficient? a. Isobaric expansion b. Adiabatic compression c. Adiabatic expansion d. Isothermal expansion
Last Answer : Isobaric expansion
Description : In __________ process, there is an increase in entropy with no degradation of energy. (A) Isothermal expansion (B) Isochoric heat addition (C) Polytropic expansion (D) Isobaric heat addition
Last Answer : (A) Isothermal expansion
Description : What is polytropic process ? Under what conditions it approaches isobaric, isothermal, and isometric process ? In which reversible process no work is done ?
Last Answer : A polytropic process is one that follows the equation pun = constant (index n may have values from – oc to + oo. This process approaches isobaric when n = 0, isothermal when n = 1, and isometric when n = . No work is done in isometric process.
Description : In the equation, PVn = Constant, if the value of n = 0, then it represents a reversible __________ process. (A) Isobaric (B) Isothermal (C) Isentropic (D) Isometric
Last Answer : (A) Isobaric
Description : Isochoric process is one in which (a) free expansion takes place (b) very little mechanical work is done by the system (c) no mechanical work is done by the system (d) all parameters remain constant
Description : Heating of water under atmospheric pressure is an __________ process. (A) Isochoric (B) Isobaric (C) Adiabatic (D) Isothermal
Last Answer : (B) Isobaric
Description : If the value of n = 0 in the equation pvn = C, then the process is called A. constant volume process B. adiabatic process C. constant pressure process D. isothermal process
Last Answer : Answer: C
Description : Change of state namely evaporation condensation, freezing and melting is an __________ process. (A) Isothermal (B) Adiabatic (C) Isobaric (D) Isochoric
Last Answer : (A) Isothermal
Description : Represent Isobaric, Isochoric, Isothermal, Adiabatic process on P-V and T-S diagram.
Last Answer : Isobaric process Isothermal process Isochoric process Adiabatic process:
Description : If there is no heat transferred during the process, it is called a ______ process. A. Static B. Isobaric C. Polytropic D. Adiabatic
Last Answer : Adiabatic
Description : Ericsson cycle consists of two constant pressure and two isothermal processes. A. Agree B. Disagree
Description : Which of the following processes are thermodynamically reversible (a) throttling (b) free expansion (c) constant volume and constant pressure (d) hyperbolic and pV = C (e) isothermal and adiabatic.
Last Answer : Answer : e
Description : The process that has no heat transfer a. Density b. Isentropic Process c. Isometric Process d. Adiabatic
Description : Isometric process is a. T = P b. P = C c. V = C d. T = V
Last Answer : V = C
Description : A heat exchange process in which the product of pressure and volume remains constant is known as (a) heat exchange process (b) throttling process (c) isentropic process (d) adiabatic process (e) hyperbolic process.
Description : What type of pressure cannot be used for Boyle’s Law? a. Atmospheric Pressure b. Gauge Pressure c. Surface Pressure d. Isobaric Pressure
Last Answer : Gauge Pressure
Description : _________ is defined as that equivalent to the pressure due to a column of mercury 76cm long. a. surface pressure b. gage pressure c. standard atmospheric pressure d. isobaric pressure
Last Answer : standard atmospheric pressure
Description : What remains constant during a steady-flow process? A. Mass B. Energy content of the control volume C. Temperature D. Mass and energy content of the control volume
Last Answer : Mass and energy content of the control volume
Description : According to first law of thermodynamics (a) work done by a system is equal to heat transferred by the system (b) total internal energy of a system during a process remains constant ( ... , enthalpy and entropy during a process remain constant (d) total energy of a system remains constant
Last Answer : Answer : d
Description : The propagation of sound waves in a gas involves – (1) Adiabatic compression and rarefaction (2) Isothermal compression and rarefaction (3) Isochoric compression and rarefaction (4) Isobaric compression and rarefaction
Last Answer : (1) Adiabatic compression and rarefaction Explanation: Sound is a mechanical wave that is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within the ... . Through solids, however, it can be transmitted as both longitudinal waves and transverse waves.
Last Answer : (1) Adiabatic compression and rarefaction Explanation: Sound is a mechanical wave that is an oscillation of pressure transmitted through a solid, liquid, or gas, composed of frequencies within ... is transmitted through gases, plasma, and liquids as longitudinal waves, also called compression waves.
Description : A Carnot cycle consists of the following steps: (A) Two isothermal and two isentropic (B) Two isobaric and two isothermal (C) Two isochoric and two isobaric (D) Two isothermals and two isochoric
Last Answer : A) Two isothermal and two isentropic
Description : The propagation of sound waves in a gas involves (1) adiabatic compression and rarefaction (2) isothermal compression and rarefaction (3) isochoric compression and rarefaction (4) isobaric compression and rarefaction
Last Answer : adiabatic compression and rarefaction
Description : The most efficient cycle that can operate between two constant temperature reservoir is the _________. a. Otto Cycle b. Lazare Cycle c. Isothermal Cycle d. Carnot Cycle
Last Answer : Carnot Cycle
Description : During which of the following process does heat rejection takes place in Carnot cycle? A. Isothermal expansion B. Isentropic expansion C. Isothermal compression D. Isentropic compression
Description : Which of the following is the work done for a closed reversible isometric system? a. negative b. positive c. zero d. undefined
Last Answer : zero
Description : What is the value of the work done for a closed, reversible isometric system? a. zero b. positive c. negative d. positive or negative
Description : The 1st Law of Thermodynamics on what principle? a. Conservation of Energy b. Conservation of mass c. Enthalpy d. Isometric
Last Answer : Conservation of Energy
Description : The heat per unit mass per degree change in temperature a. specific heat b. isometric c. conservation of energy d. none of the above
Last Answer : specific heat
Description : What is the value of the work done for a closed, reversible isometric system? A. Zero B. Positive C. Negative D. Positive or negative
Last Answer : Zero
Description : A certain gas, with cp = 0.529Btu/ lb. °Rand R = 96.2ft.lb/lb. °R, expands from 5 cu ft and 80°F to 15 cu ft while the pressure remains constant at 15.5psia. Compute for T2. a.1520°R b. 1620°R c. 1720°R d. 1820°R formula: T2= T1V2/V1
Last Answer : 1620°R