[{"id":123303,"question":"If R is gas constant for 1 gram mole, C<sub>p</sub>and C<sub>v</sub>are specific heat for a solid then","choices":[{"text":"C<sub>p</sub>- C<sub>v</sub>= R","value":"A"},{"text":"C<sub>p</sub>- C<sub>v &lt; R</sub>","value":"B"},{"text":"C<sub>p</sub>- C<sub>v = 0</sub>","value":"C"},{"text":"C<sub>p</sub>- C<sub>v &gt; R</sub>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123302,"question":"Triple point of water is","choices":[{"text":"273.16<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°F</span>","value":"A"},{"text":"372.16K","value":"B"},{"text":"273.16<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°F</span>","value":"C"},{"text":"273.16","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":123301,"question":"Rate of diffusion is","choices":[{"text":"Faster in solids than in liquids and gases","value":"A"},{"text":"Faster in liquids than in solids and gases","value":"B"},{"text":"Equal to solids, liquids and gases","value":"C"},{"text":"Faster in gases than in liquids and solids","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":123299,"question":"Pressure of a gas at constant volume is proportion to","choices":[{"text":"Total energy of gas","value":"A"},{"text":"Average P.E to molecules","value":"B"},{"text":"Average K.E of molecules","value":"C"},{"text":"Total internal energy of gas","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":123298,"question":"According to kinetic theory of gases, molecules of a gas behave like","choices":[{"text":"Inelastic spheres","value":"A"},{"text":"Perfectly elastic rigid sphere","value":"B"},{"text":"Perfectly elastic non-rigid spheres","value":"C"},{"text":"Inelastic non-rigid spheres","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":123297,"question":"10 c.c. each of oxygen and hydrogen are kept in separate flasks. Then which of the following relations is correct?","choices":[{"text":"Each have same number of molecules","value":"A"},{"text":"Don't have same number of molecules","value":"B"},{"text":"Can't be predicted","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123295,"question":"An isochoric process is one which take place at","choices":[{"text":"Constant internal energy","value":"A"},{"text":"Constant entropy","value":"B"},{"text":"Constant volume","value":"C"},{"text":"Constant pressure","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":123294,"question":"Brownian motion increases due to","choices":[{"text":"Increase in size of Brownian particle","value":"A"},{"text":"Increase in temperature of medium","value":"B"},{"text":"Increase in density of medium","value":"C"},{"text":"Increase in viscosity of medium","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":123293,"question":"If the ratio of densities of two gases is 1:4, then the ratio of their rates of diffusion into one another is","choices":[{"text":"2 : 1","value":"A"},{"text":"4 : 1","value":"B"},{"text":"1 : 4","value":"C"},{"text":"3 : 4","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123292,"question":"The volume of a gas will be double of what it is at 0<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°C (pressure remaining constant) at</span>","choices":[{"text":"546 K","value":"A"},{"text":"273 K","value":"B"},{"text":"546<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°C</span>","value":"C"},{"text":"273<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°C</span>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":123290,"question":"Energy gas behaves like an ideal gast at","choices":[{"text":"High temperature and low pressure","value":"A"},{"text":"Low temperature and high pressure","value":"B"},{"text":"Both A and B","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123289,"question":"R.M.S velocity of a particle is V at pressure P. If pressure increases by two times, then R.M.S velocity becomes","choices":[{"text":"2V","value":"A"},{"text":"3V","value":"B"},{"text":"0.5V","value":"C"},{"text":"V","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":123287,"question":"Maximum density of H<sub>2</sub>O is at the temperature","choices":[{"text":"32<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°F</span>","value":"A"},{"text":"39.2<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°F</span>","value":"B"},{"text":"42<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°F</span>","value":"C"},{"text":"4<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">°F</span>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":123286,"question":"At O<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">° K which of the following properties of a gas will be zero?</span>","choices":[{"text":"Kinetic energy","value":"A"},{"text":"Potential energy","value":"B"},{"text":"Vibrational energy","value":"C"},{"text":"Density","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123285,"question":"The product of the pressure and volume of an ideal gas is","choices":[{"text":"A constant","value":"A"},{"text":"Approximately equal to the universal gas constant","value":"B"},{"text":"Directly proportional to its temperature","value":"C"},{"text":"Inversely proportional to its temperature","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":123283,"question":"Boyle's law is applicable in","choices":[{"text":"Isochoric process","value":"A"},{"text":"Isothermal process","value":"B"},{"text":"Isobaric process","value":"C"},{"text":"Isotonic process","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":123280,"question":"Absolute temperature can be calculated by","choices":[{"text":"Means squares velocity","value":"A"},{"text":"Motion of the molecule","value":"B"},{"text":"Both A and B","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":123279,"question":"Which of the following is not thermo dynamical function?","choices":[{"text":"Enthalpy","value":"A"},{"text":"Work done","value":"B"},{"text":"Gibb's energy","value":"C"},{"text":"Internal energy","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":123278,"question":"At constant volume temperature is increased. Then","choices":[{"text":"Collision on walls will be less","value":"A"},{"text":"Number of collisions per unit time will increase","value":"B"},{"text":"Collision will be in straight lines","value":"C"},{"text":"Collision will not change","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":123277,"question":"The number of translation degress of freedom for a diatomic gas is","choices":[{"text":"2","value":"A"},{"text":"3","value":"B"},{"text":"5","value":"C"},{"text":"6","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119765,"question":"A process is a reversible process, if the entropy of the system","choices":[{"text":"increases","value":"A"},{"text":"decreases","value":"B"},{"text":"remains constant","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119764,"question":"The disorder in the system increases due to the","choices":[{"text":"removal of heat","value":"A"},{"text":"addition of heat","value":"B"},{"text":"removal or addition of heat","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119763,"question":"An irreversible heat flow from a hot to cold substances of a system, causes the disorder to","choices":[{"text":"decrease","value":"A"},{"text":"remains the same","value":"B"},{"text":"increase","value":"C"},{"text":"any one of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119760,"question":"If a system undergoes a natural process it will go in the direction that causes the entropy of the system plus the environment to increase, this is another statement of","choices":[{"text":"second law thermodynamics","value":"A"},{"text":"first law of thermodynamics","value":"B"},{"text":"third law of thermodynamics","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119756,"question":"In all natural processes where heat flows from one system to another, there is always a net","choices":[{"text":"decrease in entropy","value":"A"},{"text":"increase in entropy","value":"B"},{"text":"decrease or increase in entropy","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119755,"question":"When heat is removed from the system","choices":[{"text":"negative","value":"A"},{"text":"positive","value":"B"},{"text":"zero","value":"C"},{"text":"any one of them","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119754,"question":"When heat is added into the system then change in entropy is","choices":[{"text":"negative","value":"A"},{"text":"positive","value":"B"},{"text":"zero","value":"C"},{"text":"any one of them","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119752,"question":"Which quantity is important in stating the entropy of the system","choices":[{"text":"initial entropy","value":"A"},{"text":"final entropy","value":"B"},{"text":"change in entropy","value":"C"},{"text":"none of them","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119750,"question":"Which of the following is a state variable","choices":[{"text":"entropy","value":"A"},{"text":"pressure","value":"B"},{"text":"volume","value":"C"},{"text":"all of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119749,"question":"The concept of entropy was introduced into the study of thermodynamics in","choices":[{"text":"1856","value":"A"},{"text":"1865","value":"B"},{"text":"1656","value":"C"},{"text":"1685","value":"D"},{"value":"E"}],"correctAnswer":1}]