Description : Who is the father of thermodynamics? a. Lazare Carnot b. Sadi Carnot c. William Thompson d. Rudolf Classius
Last Answer : Sadi Carnot
Description : Carnot cycle is the best known reversible cycle which was first proposed in what year? A. 1842 B. 1824 C. 1832 D. 1834
Last Answer : 1824
Description : It is used for gas turbines which operates on an open cycle where both the compression and expansion processes take place in rotating machinery. a. Dual Cycle b. Otto Cycle c. Carnot Cycle d. Brayton Cycle
Last Answer : Brayton Cycle
Description : A Bell-Coleman cycle is a reversed of which the following cycles? a. Stirling cycle b. Joule cycle c. Carnot cycle d. Otto cycle
Last Answer : Joule cycle
Description : Which of the following is used in thermal power plant? a. Brayton cycle b. Reversed carnot cycle c. Rankine cycle d. Otto cycle
Last Answer : Rankine cycle
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 : In thermodynamics, a throttling process, also called a _________, is a type of isenthalpic process where a liquid or gas is cooled as it passes from a higher pressure state to a lower pressure state. a. Rankine Process b. Carnot Cycle c. Joule-Thomson process d. Refrigeration process
Last Answer : Joule-Thomson process
Description : What is a heat engine that operates on the reversible Carnot cycle called? A. Carnot heat engine B. Ideal heat engine C. Most efficient heat engine D. Best heat engine
Last Answer : Carnot heat engine
Description : The Carnot cycle is composed of ______ processes. A. One isothermal and one adiabatic B. One isothermal and two adiabatic C. Two isothermal and one adiabatic D. Two isothermal and two adiabatic
Last Answer : Two isothermal and two adiabatic
Description : The Carnot cycle is composed of how many reversible processes? A. 2 B. 3 C. 4 D. 5
Last Answer : 4
Description : Which is the incorrect statement about Carnot cycle? A. It is used as the alternate standard of comparison of all heat engines. B. All the heat engines are based on Carnot cycle. C. It provides concept of maximising work output between the two temperature limits. D. all of the above
Last Answer : Answer: B
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
Last Answer : Answer: C
Description : The efficiency of Joule cycle is A. greater than Carnot cycle B. less than Carnot cycle C. equal to Carnot cycle D. none of these
Description : The efficiency of Stirling cycle is __________ Carnot cycle. A. greater than B. less than C. equal to
Description : A cycle consisting of one constant pressure, one constant volume and two isentropic processes is known as A.Carnot cycle B.Stirling cycle C.Otto cycle D.Diesel cycle
Last Answer : Answer: D
Description : The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that (a) carnot cycle can't work with saturated steam (b) heat is supplied to water at temperature ... heat at two places (d) rankine cycle is hypothetical (e) none of the above.
Last Answer : Answer : b
Description : The following cycle is used for air craft refrigeration (a) Brayton cycle (b) Joule cycle (c) Carnot cycle (d) Bell-Coleman cycle (e) Reversed-Brayton cycle.
Last Answer : Answer : e
Description : Which of the following cycles is not a reversible cycle (a) Carnot (b) Ericsson (c) Stirling (d) Joule (e) none of the above.
Description : Reversed joule cycle is called (a) Carnot cycle (b) Rankine cycle (c) Brayton cycle (d) Bell Coleman cycle (e) Dual cycle.
Last Answer : Answer : c
Description : If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle (a) more (b) less (c) equal (d) depends on other factors (e) none of the above.
Description : Carnot cycle is (a) a reversible cycle (ft) an irreversible cycle (c) a semi-reversible cycle (d) a quasi static cycle (e) an adiabatic irreversible cycle.
Last Answer : Answer : a
Description : The efficiency of Carnot cycle is maximum for (a) gas engine (b) well lubricated engine (c) petrol engine (d) steam engine (e) reversible engine.
Description : Thermal power plant works on (a) Carnot cycle (b) Joule cycle (d) Rankine cycle (d) Otto cycle (e) Brayton cycle.
Description : Which of the following is an irreversible cycle (a) carnot (b) Stirling (c) ericsson (d) all of the above (e) none of the above.
Description : In a Carnot cycle, heat is transferred at (a) constant pressure (b) constant volume (c) constant temperature (d) constant enthaply (e) any one of the above.
Description : An actual engine is to be designed having same efficiency as the Carnot cycle. Such a proposition is (a) feasible (b) impossible (c) possible (d) possible, but with lot of sophistications (e) desirable.
Last Answer : Answer : d
Description : Carnot cycle efficiency is maximum when (a) initial temperature is 0°K (b) final temperature is 0°K (c) difference between initial and final temperature is 0°K (d) final temperature is 0°C (e) initial temperature is minimum possible.
Description : Carnot cycle efficiency depends upon (a) properties of the medium/substance used (b) condition of engine (c) working condition (d) temperature range of operation (e) effectiveness of insulating material around the engine.
Description : Carnot cycle has maximum efficiency for (a) reversible engine (b) irreversible engine (c) new engine (d) petrol engine (e) diesel engine.
Description : Which of the following engines is the most efficient? a. Gas turbine b. Diesel engine c. Carnot engine d. Gasoline engine
Last Answer : Carnot engine
Description : Which of the following is least efficient? a. Gas turbine b. Diesel engine c. Carnot engine d. Gasoline engine
Last Answer : Gasoline engine
Description : What states that thermal efficiencies of all reversible heat engines operating between the same two reservoirs are the same and that no heat engine is more efficient than a reversible one operating between the ... A. Ericson principle B. Carnot principle C. Otto principle D. Stirling principle
Last Answer : Carnot principle
Description : What is the highest efficiency of heat engine operating between the two thermal energy reservoirs at temperature limits? A. Ericson efficiency B. Otto efficiency C. Carnot efficiency D. Stirling efficiency
Last Answer : Carnot efficiency
Description : Which of the following cycles has maximum efficiency (a) Rankine (b) Stirling (c) Carnot (d) Brayton (e) Joule.
Description : The efficiency of a Carnot engine depends on (a) working substance (b) design of engine (c) size of engine (d) type of fuel fired (e) temperatures of source and sink.
Description : According to first law of thermodynamics (a) mass and energy are mutually convertible (b) Carnot engine is most efficient (c) heat and work are mutually convertible (d) mass and light are mutually convertible (e) heat flows from hot substance to cold substance.
Description : The more effective way of increasing efficiency of Carnot engine is to (a) increase higher temperature (b) decrease higher temperature (c) increase lower temperature (d) decrease lower temperature (e) keep lower temperature constant.
Description : Battery was invented by-----? A. Nicolas Léonard Sadi Carnot B. Alessandro Volta (Answer) C. Michael Faraday D. Friedrich Bessel
Last Answer : B. Alessandro Volta (Answer)
Description : Executes the entire cycle in just two strokes the power stroke and the compression stroke. a. One-stroke engine b. Two-stroke engine c. Four-stroke engine d. Eight-stroke engine
Last Answer : Two-stroke engine
Description : Which of the following values characterize the state of the system? a. cycle b. process c. property d. enthalpy
Last Answer : enthalpy
Description : Which of the following best describes both Stirling and Ericson engines? a. Internal combustion engine b. External combustion engine c. Diesel cycle d. Rankine cycle
Last Answer : External combustion engine
Description : Which of the following cycle is used in vapor cycle power plant? a. Brayton cycle b. Diesel cycle c. Ericson cycle d. Rankine cycle
Description : If any one or more properties of a system change, the system is said to have undergone a _______. a. Cycle b. System c. Process d. None of the above
Last Answer : Process
Description : Gasoline and Diesel Engines are best described by the _________. a. Otto Cycle b. Burnign Cycle c. Shikki Cycle d. Shapa R’ Elli Cycle
Last Answer : Otto Cycle
Description : ________ is a succession of changes that ends with the return of the body or system to its initial state. a. process b. system c. equilibrium d. cycle
Last Answer : cycle
Description : A _________ is a quantity whose value depends on the path followed during a particular change in state. a. path function b. point function c. process d. cycle
Last Answer : path function
Description : A _________ is a quantity whose value at any state is independent of the path or process used to reach that state. a. cycle b. path function c. point function d. process
Last Answer : point function
Description : The energy that flows from higher temperature object to a lower temperature object because of the difference in temperature is called a. heat b. temperature c. thermodynamics cycle d. energy flow
Last Answer : heat
Description : What statement of the second law of thermodynamics states that it is impossible to build a device that operates in a cycle and produces no effect other than the transfer of heat from a lower- ... A. Kelvin-Planck statement B. Clausius statement C. Kelvin statement D. Rankine statement
Last Answer : Clausius statement
Description : What law states that it is impossible to build a device that operates in a cycle and produces no effect other than the transfer of heat from a lowertemperature body to a highertemperature body? A. ... B. First law of thermodynamics C. Second law of thermodynamics D. Third law of thermodynamics
Last Answer : Second law of thermodynamics