Engineering Thermodynamics The expansion ratio (r) is the ratio of (where v1 = Volume at the beginning of expansion, and v2 = Volume at the end of expansion) (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 v2/v1 (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 v2/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the gas is heated or expanded in such a way that the product of its pressure and volume remains constant, is called Polytropic process Adiabatic process Hyperbolic process Isothermal process Polytropic process Adiabatic process Hyperbolic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The specific heat of water is 2.512 4.187 None of these 1.817 2.512 4.187 None of these 1.817 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The efficiency of a Carnot engine depends on Design of engine Size of engine Temperatures of source and sink Working substance Design of engine Size of engine Temperatures of source and sink Working substance ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Heat and work are Path functions System properties Point functions Intensive properties Path functions System properties Point functions Intensive properties ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Otto cycle consists of following four processes Two isentropic, one constant volume and one constant pressure Two isentropic and two constant pressures Two isentropic and two constant volumes Two isothermal and two isentropic Two isentropic, one constant volume and one constant pressure Two isentropic and two constant pressures Two isentropic and two constant volumes Two isothermal and two isentropic ANSWER DOWNLOAD EXAMIANS APP
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