[{"id":211192,"question":"When a fluid in a cylinder expands through a distance 'd' against a piston of area 'A' which is exerting a constant pressure 'P' the work done is equal by.","choices":[{"text":"PAD","value":"A"},{"text":"PA/d","value":"B"},{"text":"Pd/A","value":"C"},{"text":"Pd/A2","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":211191,"question":"When ever a system is made to complete a cyclic process the work done during the complete cycle.","choices":[{"text":"Is zero","value":"A"},{"text":"Is negative","value":"B"},{"text":"Is positive","value":"C"},{"text":"Depends upon the path followed","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":211190,"question":"The ratio between the energy dissipated in some process and the heat that appears as a result is the","choices":[{"text":"Specific heat","value":"A"},{"text":"Mechanical equivalent of heat","value":"B"},{"text":"Kilocalories","value":"C"},{"text":"Triple 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of heat are required to evaporate completely 1 g of ice at 0 <sup>o</sup>C","choices":[{"text":"480 calories","value":"A"},{"text":"720 calories","value":"B"},{"text":"940 calories","value":"C"},{"text":"1170 calories","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211185,"question":"The change in entropy for any reversible cycle is identically","choices":[{"text":"Infinite","value":"A"},{"text":"Positive","value":"B"},{"text":"Negative","value":"C"},{"text":"Zero","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":211184,"question":"The term used for heat capacity per unit mass is.","choices":[{"text":"Latent heat","value":"A"},{"text":"Specific heat","value":"B"},{"text":"Energy density","value":"C"},{"text":"Specific energy","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211183,"question":"What is a thermal properly of a material that determines the quantity of energy required to change the phase of a unit mass of that substance.","choices":[{"text":"Specific heat","value":"A"},{"text":"Latent heat","value":"B"},{"text":"Internal energy","value":"C"},{"text":"Specific energy","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211182,"question":"On which parameter internal energy of an ideal gas depends upon.","choices":[{"text":"Volume","value":"A"},{"text":"Mass","value":"B"},{"text":"Pressure","value":"C"},{"text":"Temperature","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":211181,"question":"Most cooking involves","choices":[{"text":"Adiabatic process","value":"A"},{"text":"Isothermal process","value":"B"},{"text":"Isobaric process","value":"C"},{"text":"Isochoric process","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":211180,"question":"A 4 kJ mass of copper of specific heat capacity of 400 J kg-1k-1 is heated for 160 s by a heater of power 200 W what is the rise in temperature.","choices":[{"text":"10 K","value":"A"},{"text":"16 K","value":"B"},{"text":"100 K","value":"C"},{"text":"160 K","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":211179,"question":"A cup of coffee at 80 <sup>o</sup>C is left to cool to 30 oc if the heat capacity of the cup and coffee is 2.0 kJ k-1 how much heat is released during the cooling.","choices":[{"text":"0.04 kJ","value":"A"},{"text":"100 KJ","value":"B"},{"text":"60 kJ","value":"C"},{"text":"160 kJ","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211178,"question":"The specific heat capacity of a substance is the amount of heat required to.","choices":[{"text":"Raise its temperature by 1 K","value":"A"},{"text":"Raise the temperature of 1 kg of the substance by 1 K","value":"B"},{"text":"Melt 1 kg of the substance","value":"C"},{"text":"Boil 1 kg of the substance","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":211177,"question":"When heat a supplied to a metallic sphere which one of the following changes will occur.","choices":[{"text":"the mass of the sphere increases","value":"A"},{"text":"The volume of the sphere increases","value":"B"},{"text":"The density of the sphere increases","value":"C"},{"text":"The internal energy of the sphere increases","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":211176,"question":"In which thermodynamic process enthalpy of the system remains constant.","choices":[{"text":"Isenthalpic process","value":"A"},{"text":"Isolated process","value":"B"},{"text":"Isobaric process","value":"C"},{"text":"Isochoric process","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":211175,"question":"Which kind of thermodynamic process is defined as with no heat transfer into or out of a system i.e. Q =0","choices":[{"text":"Isobaric process","value":"A"},{"text":"Isochoric process","value":"B"},{"text":"Isothermal process","value":"C"},{"text":"Adiabatic process","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":211174,"question":"If a gas does 10 J of external work white expanding then the change in internal energy is equal to.","choices":[{"text":"0 J","value":"A"},{"text":"10 J","value":"B"},{"text":"-10 J","value":"C"},{"text":"100 J","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":211173,"question":"On what factor the internal energy of a thermodynamic system depend upon.","choices":[{"text":"History","value":"A"},{"text":"State","value":"B"},{"text":"Process","value":"C"},{"text":"Surroundings","value":"D"},{"value":"E"}],"correctAnswer":2}]