Description : What is the thermodynamic temperature scale in the SI system? A. Kelvin scale B. Celsius scale C. Fahrenheit scale D. Rankine scale
Last Answer : Kelvin scale
Description : A temperature scale whose zero point is absolute zero, the temperature of “0” entropy at which all molecular motion stops. a. Celsius b. Fahrenheit c. Kelvin d. Rankine
Last Answer : Kelvin
Description : What is the Si unit for temperature? a. Kelvin b. Celsius c. Fahrenheit d. Rankine
Description : The unit of temperature in S.I. units is (a) Centigrade (b) Celsius (c) Fahrenheit (d) Kelvin (e) Rankine.
Last Answer : Answer : d
Description : _____________ is the base unit of thermodynamics temperature. a) Celsius b) Fahrenheit c) Kelvin d) None of the above
Description : The volume of an ideal gas is directly proportional to its a. pressure b. Celsius temperature c. Kelvin temperature d. Fahrenheit temperature
Last Answer : Kelvin temperature
Description : Which of the following is standard temperature and pressure (STP)? A. 0 degree Celsius and one atmosphere B. 32 degree Fahrenheit and zero pressure C. 0 degree Kelvin and one atmosphere D. 0 degree Fahrenheit and zero pressure
Last Answer : 0 degree Celsius and one atmosphere
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 : What is defined as the ratio of the change in temperature to the change in pressure when a real gas is throttled? A. Rankine coefficient B. Kelvin coefficient C. Maxwell-Boltzmann coefficient D. Joule-Thomson coefficient
Last Answer : Joule-Thomson coefficient
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 : Who coined the word “energy” in 1807? A. William Rankine B. Rudolph Clausius C. Kelvin D. Thomas Young
Last Answer : Thomas Young
Description : The term “thermodynamics” was first used in 1849 in the publication of a A. Rudolph Clausius B. William Rankine C. Kelvin D. Thomas Savery
Description : Convert the change of temperature from 20˚C to 30˚C to Kelvin scale. a. 10 K b. 293 K c. 303 K d. 273 K
Last Answer : 10 K
Description : What temperature scale is identical to the Kelvin scale? A. Ideal gas temperature scale B. Ideal temperature scale C. Absolute gas temperature scale D. Triple point temperature scale
Last Answer : Ideal gas temperature scale
Description : __________ temperature scale assigns 0° to the 'ice point' and 80° to the 'steam point'. (A) Celsius (B) Rankine (C) Reaumur (D) Fahrenheit
Last Answer : (C) Reaumur
Description : Developed the Fahrenheit scale a. Gabriel Daniel Fahrenheit b. Daniel Gabriel Fahrenheit c. Gabriel Danelle Fahrenheit d. Danelle Gabriel Fahrenheit
Last Answer : Gabriel Daniel Fahrenheit
Description : How is the kelvin scale different from the fahrenheit and celsius scales?
Last Answer : bru im asking yall
Description : The state of a thermodynamic system is always defined by its: a. Absolute temperature b. process c. properties d. temperature and pressure
Last Answer : properties
Description : Which of the following is not a thermodynamic property? a. Pressure b. Temperature c. Volume d. Phase
Last Answer : Phase
Description : The Law of Thermodynamics that provides the basis for measuring the thermodynamic property of temperature. a. Charle’s Law b. Boyle’s Law c. Zeroth Law d. Gas Law
Last Answer : Zeroth Law
Description : The measurement of a thermodynamic property known as temperature is based on A. Zeroth law of thermodynamics B. First law of thermodynamics C. Second law of thermodynamics D. none of these
Last Answer : Answer: A
Description : Measurement of temperature is based on (a) thermodynamic properties (b) zeroth law of thermodynamics (c) first law of thermodynamics (d) second law of thermodynamics (e) joule’s law.
Description : Entropy change depends on (a) heat transfer (b) mass transfer (c) change of temperature (d) thermodynamic state (e) change of pressure and volume.
Last Answer : Answer : a
Description : For a thermodynamic process to be reversible, the temperature difference between hot body and working substance should be (a) zero (b) minimum (d) maximum (d) infinity (e) there is no such criterion.
Description : The basis for measuring thermodynamic property of temperature is given by (a) zeroth law of thermodynamics (b) first law of thermodynamics (c) second law of thermodynamics (d) third law of thermodynamics (e) Avogadro’s hypothesis.
Description : The term N.T.P. stands for (a) nominal temperature and pressure (b) natural temperature and pressure (c) normal temperature and pressure (d) normal thermodynamic practice (e) normal thermodynamic pressure.
Last Answer : Answer : c
Description : Properties of substances like pressure, temperature and density, in thermodynamic coordinates are (a) path functions (b) point functions (c) cyclic functions (d) real functions (e) thermodynamic functions.
Description : If the Kelvin temperature of an ideal gas is doubled, what happens to the rms speed of the molecules in the gas? a. it increases by a factor of square root of 2 b. it increases by a factor of 2 c. it increases by factor of 4 d. none of the above
Last Answer : it increases by a factor of square root of 2
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 : 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 : 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 : It is impossible for any process to have as its sole result the transfer of heat from a cooler to a hotter body a. Carnot’s statement b. Clausius statement c. Rankine statement d. Gauss statement
Description : Which of the following cycles has maximum efficiency (a) Rankine (b) Stirling (c) Carnot (d) Brayton (e) Joule.
Description : Reversed joule cycle is called (a) Carnot cycle (b) Rankine cycle (c) Brayton cycle (d) Bell Coleman cycle (e) Dual cycle.
Description : Thermal power plant works on (a) Carnot cycle (b) Joule cycle (d) Rankine cycle (d) Otto cycle (e) Brayton cycle.
Description : Is a thermodynamic system that operates continuously with only energy (heat and work) crossing its boundaries? a. Heat Engine b. Heat Reservoir c. Heat Source d. Heat Sink
Last Answer : Heat Engine
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 : What is a form of mechanical work which is related with the expansion and compression of substances? A. Boundary work B. Thermodynamic work C. Phase work D. System work
Last Answer : Boundary work
Description : What states that the net mass transfer to or from a system during a process is equal to the net change in the total mass of the system during that process? A. Third law of thermodynamics B. Conservation of energy principle C. Second law of thermodynamic D. Conservation of mass principle
Last Answer : Conservation of mass principle
Description : A system is said to be in thermodynamic equilibrium if it maintains ______ equilibrium. A. Mechanical and phase B. Thermal and chemical C. Thermal, mechanical and chemical D. Thermal, phase, mechanical and chemical
Last Answer : Thermal, phase, mechanical and chemical
Description : The thermodynamic properties that are dependent on the size or extent of the system is called _____. A. Extensive property B. Intensive property C. Open property D. Closed property
Last Answer : Extensive property
Description : The thermodynamic properties that are independent on the size of the system is called _____. A. Extensive property B. Intensive property C. Open property D. Closed property
Last Answer : Intensive property
Description : The heating and expanding of a gas is called thermodynamic system. A. Yes B. No
Last Answer : Answer: B
Description : The thermodynamic property of a system is said to be an intensive property whose value for the entire system __________ the sum of their value for the individual parts of the system. A. is equal to B. is not equal to
Description : First law of thermodynamics furnishes the relationship between (a) heat and work (b) heat, work and properties of the system (c) various properties of the system (d) various thermodynamic processes (e) heat and internal energy.
Last Answer : (b) heat, work and properties of the system
Description : Mixture of ice and water form a (a) closed system (b) open system (c) isolated system (d) heterogeneous system (e) thermodynamic system.
Description : An isolated system is one in which (a) mass does not cross boundaries of the system, though energy may do so (b) neither mass nor energy crosses the boundaries of the system (c) both ... system (d) mass crosses the boundary but not the energy (e) thermodynamic reactions do not occur.
Description : An open system is one in which (a) mass does not cross boundaries of the system, though energy may do so (b) neither mass nor energy crosses the boundaries of the system (c) both energy ... system (d) mass crosses the boundary but not the energy (e) thermodynamic reactions do not occur.
Description : A closed system is one in which (a) mass does not cross boundaries of the system, though energy may do so (b) mass crosses the boundary but not the energy (c) neither mass nor energy ... (d) both energy and mass cross the boundaries of the system (e) thermodynamic reactions take place.