Engineering Thermodynamics Absolute zero pressure will occur When molecular momentum of the system becomes zero At a temperature of 273°K At sea level Under vacuum conditions When molecular momentum of the system becomes zero At a temperature of 273°K At sea level Under vacuum conditions 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 + v2)/v2 (v1 + v2)/v1 v2/v1 v1/v2 (v1 + v2)/v2 (v1 + v2)/v1 ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Which of the following is not the intensive property? Density Pressure Temperature Heat Density Pressure Temperature Heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics Gases have Two values of specific heat No value of specific heat Only one value of specific heat Under some conditions one value and sometimes two values of specific heat Two values of specific heat No value of specific heat Only one value of specific heat Under some conditions one value and sometimes two values of specific heat ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The hard coke is obtained when carbonization of coal is carried out at 500° to 700°C 300° to 500°C 700° to 900°C 900° to 1100°C 500° to 700°C 300° to 500°C 700° to 900°C 900° to 1100°C ANSWER DOWNLOAD EXAMIANS APP
Engineering Thermodynamics The thermodynamic difference between a Rankine cycle working with saturated steam and the Carnot cycle is that Rankine cycle is hypothetical Carnot cycle can't work with saturated steam A Rankine cycle receives heat at two places Heat is supplied to water at temperature below the maximum temperature of the cycle Rankine cycle is hypothetical Carnot cycle can't work with saturated steam A Rankine cycle receives heat at two places Heat is supplied to water at temperature below the maximum temperature of the cycle ANSWER DOWNLOAD EXAMIANS APP