Engineering Thermodynamics The unit of energy in S.I. units is watt joule/m Joule joule/s watt joule/m Joule joule/s ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A process, in which the temperature of the working substance remains constant during its expansion or compression, is called Isothermal process Adiabatic process Polytropic process Hyperbolic process Isothermal process Adiabatic process Polytropic process Hyperbolic process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Gases have Under some conditions one value and sometimes two values of specific heat Only one value of specific heat Two values of specific heat No value of specific heat Under some conditions one value and sometimes two values of specific heat Only one value of specific heat Two values of specific heat No value of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to kinetic theory of gases, the absolute zero temperature is attained when Kinetic energy of the molecules is zero Volume of the gas is zero Specific heat of gas is zero Pressure of the gas is zero Kinetic energy of the molecules is zero Volume of the gas is zero Specific heat of gas is zero Pressure of the gas is zero ANSWER DOWNLOAD EXAMIANS APP
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) v2/v1 (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 v2/v1 (v1 + v2)/v1 v1/v2 (v1 + v2)/v2 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature) T/P = constant, if v is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant T/P = constant, if v is kept constant P/T = constant, if v is kept constant P v = constant, if T is kept constant V/T = constant, if p is kept constant ANSWER DOWNLOAD EXAMIANS APP