What can be calculated from the curve under PV graph.
\r\n","choices":[{"text":"Heat
\r\n","value":"A"},{"text":"Work done
\r\n","value":"B"},{"text":"Temperatures
\r\n","value":"C"},{"text":"Internal energy
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065659,"question":"Work done by the system is takn as
\r\n","choices":[{"text":"Positive
\r\n","value":"A"},{"text":"Negative
\r\n","value":"B"},{"text":"Undefined
\r\n","value":"C"},{"text":"None of these
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065658,"question":"The efficiency of carnot eninge is always.
\r\n","choices":[{"text":"Greater than real engine
\r\n","value":"A"},{"text":"Less than real engine
\r\n","value":"B"},{"text":"Equal to the real engine
\r\n","value":"C"},{"text":"Both a and b
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065657,"question":"The efficiency of carnot engine depends upon
\r\n","choices":[{"text":"Sink temperature
\r\n","value":"A"},{"text":"Source temperature
\r\n","value":"B"},{"text":"Both a and b
\r\n","value":"C"},{"text":"The working substance
\r\n","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1065656,"question":"In carnot engine, each process is.
\r\n","choices":[{"text":"Reversible
\r\n","value":"A"},{"text":"Preferable Reversible
\r\n","value":"B"},{"text":"Irreversible
\r\n","value":"C"},{"text":"Perfectly irreversible
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065655,"question":"Effeciency of a carnot engine is.
\r\n","choices":[{"text":"Infinite
\r\n","value":"A"},{"text":"Ten
\r\n","value":"B"},{"text":"Greater than 1
\r\n","value":"C"},{"text":"Less Than
\r\n","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1065654,"question":"Carnot Cycle is
\r\n","choices":[{"text":"Reersible
\r\n","value":"A"},{"text":"Irreversible
\r\n","value":"B"},{"text":"Both
\r\n","value":"C"},{"text":"Cp - Cv = R
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065653,"question":"KE of molecules of an ideal gas at absolutely zero will be
\r\n","choices":[{"text":"0
\r\n","value":"A"},{"text":"Infinite
\r\n","value":"B"},{"text":"Very High
\r\n","value":"C"},{"text":"Below zero
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065652,"question":"Internal energy is similar to the
\r\n","choices":[{"text":"Vibrational K.E.
\r\n","value":"A"},{"text":"Gravitational P.E.
\r\n","value":"B"},{"text":"K.E.
\r\n","value":"C"},{"text":"All of these
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065651,"question":"Internal energy of a substance, is directly proportional to
\r\n","choices":[{"text":"T
\r\n","value":"A"},{"text":"V
\r\n","value":"B"},{"text":"W
\r\n","value":"C"},{"text":"P
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065650,"question":"The sum of all forms of molecular energies of substance is termed as
\r\n","choices":[{"text":"Kinetic energy
\r\n","value":"A"},{"text":"Potential energy
\r\n","value":"B"},{"text":"Internal energy
\r\n","value":"C"},{"text":"Heat energy
\r\n","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1065649,"question":"The process in which no heat enters or leaves the system is known as.
\r\n","choices":[{"text":"Isothermal process
\r\n","value":"A"},{"text":"Adiabatic process
\r\n","value":"B"},{"text":"Isochoric process
\r\n","value":"C"},{"text":"Isobaric process
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065648,"question":"What one is not an isothermal change.
\r\n","choices":[{"text":"Melting of solid
\r\n","value":"A"},{"text":"Bioling of liquid
\r\n","value":"B"},{"text":"Bursting of bicycle tyre
\r\n","value":"C"},{"text":"Slow expansion of gas
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065647,"question":"The process which is carried out at constant temperature is called.
\r\n","choices":[{"text":"Adiabatic process
\r\n","value":"A"},{"text":"Isothermal process
\r\n","value":"B"},{"text":"Isochoic process
\r\n","value":"C"},{"text":"Isobaric process
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065646,"question":"Adiabatic change occurs hen the gas expands or compressed.
\r\n","choices":[{"text":"Rapidly
\r\n","value":"A"},{"text":"Slowly
\r\n","value":"B"},{"text":"Gradually
\r\n","value":"C"},{"text":"Moderately
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065645,"question":"Which is not exmple of ddiablatic process.
\r\n","choices":[{"text":"Rapid escape of air from burst tyre
\r\n","value":"A"},{"text":"Rapid expansion of air
\r\n","value":"B"},{"text":"Conversion of water into ice in refrigerator
\r\n","value":"C"},{"text":"Cloud formation in the atmosphere
\r\n","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1065644,"question":"An addition of 400 J of heat casues the increase in internal energy of system is equal to 300 J, then work done will be
\r\n","choices":[{"text":"100 J
\r\n","value":"A"},{"text":"200J
\r\n","value":"B"},{"text":"300 J
\r\n","value":"C"},{"text":"400 J
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1}]