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 All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called Gay-Lussac law Joule's law Boyle's law Charles' law Gay-Lussac law Joule's law Boyle's law Charles' law 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 Polytropic process Hyperbolic process Adiabatic process Isothermal process Polytropic process Hyperbolic process Adiabatic process Isothermal process ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics A cycle consisting of two constant pressure and two isentropic processes is known as Otto cycle None of the listed here Stirling cycle Carnot cycle Otto cycle None of the listed here Stirling cycle Carnot cycle ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 300° to 500°C 500° to 700°C 700° to 900°C 900° to 1100°C 300° to 500°C 500° to 700°C 700° to 900°C 900° to 1100°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible. Second kind None of these Third kind First kind Second kind None of these Third kind First kind ANSWER DOWNLOAD EXAMIANS APP
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