[{"id":211372,"question":"Which of the following is a thermodynamic potential","choices":[{"text":"Internal energy","value":"A"},{"text":"Enthalpy","value":"B"},{"text":"Gibb's free energy","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":211371,"question":"Why an even Carnot engine Carnot give 100% efficiency.","choices":[{"text":"We cannot find ideal sources","value":"A"},{"text":"We cannot eliminate friction","value":"B"},{"text":"We cannot reach absolute zero temperature","value":"C"},{"text":"We cannot remove heat","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":211370,"question":"Which of the following can be used visualize the third law thermodynamics","choices":[{"text":"Light","value":"A"},{"text":"Heat","value":"B"},{"text":"Water","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":211369,"question":"Because of second law of thermodynamics about the direction of energy flow what is possible.","choices":[{"text":"Heat","value":"A"},{"text":"Light","value":"B"},{"text":"Energy","value":"C"},{"text":"life","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":211368,"question":"Internal energy of a gas decreased when","choices":[{"text":"It gains heat","value":"A"},{"text":"Change in cycle","value":"B"},{"text":"Change in adiatatic","value":"C"},{"text":"Change in reversible","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211367,"question":"Which of the following gases has the maximum rms speed at STP.","choices":[{"text":"O2","value":"A"},{"text":"H2","value":"B"},{"text":"N2","value":"C"},{"text":"CO2","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211366,"question":"What kind of movement is dictated by the laws of thermodynamcis.","choices":[{"text":"Energy motion","value":"A"},{"text":"Heat work","value":"B"},{"text":"Light heat","value":"C"},{"text":"Energy light","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211365,"question":"How does heat transfer between objects.","choices":[{"text":"From cold to hot objects","value":"A"},{"text":"From hot to cold objects","value":"B"},{"text":"By electromagnetic radiations","value":"C"},{"text":"From hotter to hottest objects.","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211364,"question":"How do solar heat and light reach the Earth.","choices":[{"text":"By radiation","value":"A"},{"text":"By convection","value":"B"},{"text":"By conduction","value":"C"},{"text":"By conduction and convection","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":211363,"question":"When the temperature of a body is equal to that of the surrounding then the body appears","choices":[{"text":"Dull black","value":"A"},{"text":"Red hot","value":"B"},{"text":"In thermal equilibrium","value":"C"},{"text":"To be cold","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":211362,"question":"If the pressure of a gas is doubled, then its thermal conductivity will","choices":[{"text":"Increases","value":"A"},{"text":"Decreases","value":"B"},{"text":"Remain constant","value":"C"},{"text":"Be zero","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":211361,"question":"The zero point of Kelvin scale is called.","choices":[{"text":"Critical point","value":"A"},{"text":"Terminal point","value":"B"},{"text":"Absolute zero","value":"C"},{"text":"Mid point","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":211360,"question":"What is the total entropy change during an reversible cycle.","choices":[{"text":"Unity","value":"A"},{"text":"Infinite","value":"B"},{"text":"Zero","value":"C"},{"text":"Cannot be detected","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":211359,"question":"When all the systems taking part in a process are included, the entropy.","choices":[{"text":"Decreases","value":"A"},{"text":"Either remains constant of increases","value":"B"},{"text":"Either remains constant or decreases","value":"C"},{"text":"Remains constnat","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211358,"question":"What is a measure of the total energy of a thermodynamics system.","choices":[{"text":"Entropy","value":"A"},{"text":"Enthalpy","value":"B"},{"text":"Randomness","value":"C"},{"text":"Chaos theory","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211357,"question":"Which quantity provides a quantitative measure of disorder.","choices":[{"text":"Entropy","value":"A"},{"text":"Enthalpy","value":"B"},{"text":"Randomness","value":"C"},{"text":"Chaos","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":211356,"question":"Triple point of water in Kelvin scale is","choices":[{"text":"0 K","value":"A"},{"text":"100 K","value":"B"},{"text":"273 .15 K","value":"C"},{"text":"373.15 K","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":211355,"question":"If we place oure hand below a lighted lamp we feel warmer due to.","choices":[{"text":"Conduction","value":"A"},{"text":"Convection","value":"B"},{"text":"Radiation","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211354,"question":"If two gases have same reduced pressure volume and temperature it is according to","choices":[{"text":"Boyle's law","value":"A"},{"text":"Charles law","value":"B"},{"text":"Law of corresponding state","value":"C"},{"text":"Zeroth law","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":211353,"question":"Advantage of using gases as thermornetic substrates is taht","choices":[{"text":"Gases have a small coefficient of expansion","value":"A"},{"text":"Expansion of gases is irregular","value":"B"},{"text":"Gases can be obtained in pure form","value":"C"},{"text":"Gases have a large coefficient of expansion.","value":"D"},{"value":"E"}],"correctAnswer":3}]